用PHP&XML编制迷你搜索引擎（四）
时间：2007-02-17 来源：PHP爱好者
[程序实例 ] 用PHP&XML编制迷你搜索引擎（四）
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
作者 来源
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时间 2000年11月30日 阅读次数 247
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版本 ----- 价值 17
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[投他一票]
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来源：奥索网
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用PHP&XML编制迷你搜索引擎（四）
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五、mini的搜索引擎
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作了如干的铺垫，令人激动的时刻到来了。
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分页等版式输出和用SQL的搜索引擎差不多，我就不加注释了。
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第一段为仿sina，yahoo的按照类别查询
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第二段为搜索查询部分(其实就是把整个树遍历一遍)显示符合的
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内容。
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说明：
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"网络狂飙之谜你搜索引擎"适用于小数据量的数据索引查询，根据测试，当数据量超过1000条以后便不再适用，相当浪费主机资源，建议您超过400条记录采用mysql等数据库语言构建。希望您通过我的程序，对PHP对XML的解析函数有所认识。所有范例程序欢迎大家适用，如果您要将其用于自己的主页中请于我联系说明（其实就是将其用于的网站的名称告知于我）。
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sfs([email protected])
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以上的所有范例请到我的主页fire.oso.com.cn
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上下载，我学PHP不到一个月，也刚来oso，希望文章中的错误之处大家能谅解。以后，我将为大家奉献出更多的源创范例。
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废话少说，尽请看来。
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__________________________________________________________
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xml2.php
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<html>
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<body>
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<style type=text/css>
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td,p,li,input,select {font-size:12px;}
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A:link {font-size:12px;color:#00007f;}
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A:visited {font-size:12px;color:#00007f;}
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A:active {font-size:12px;color:#ff0000;}
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A:hover {font-size:12px;color:#ff0000;}
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.title {font-family:Tahoma; width=420 ;font-size :16px; font-weight :bold; color :steelblue; filter:Shadow(color="LightGrey", Direction="130");}
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.counter{font-family:Tahoma; color=green; font-size : 12px;}
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</style>
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<?
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// XML文件
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$file = "demo.xml";
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$pagecount = 10;
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class Cweb { //网页
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var $name;
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var $url;
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var $memo;
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}
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class Cwebs {
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var $items = array(Cweb);
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var $count = 0;
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}
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class Csub { //类别
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var $name;
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var $url;
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}
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class Csubs {
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var $items = array(Csub);
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var $count = 0;
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}
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function xml_parse_from_file($parser, $file)
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{
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if(!file_exists($file))
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die("Can’t find file "$file".");
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if(!($fp = @fopen($file, "r")))
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die("Can’t open file "$file".");
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while($data = fread($fp, 4096)) {
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if(!xml_parse($parser, $data, feof($fp)))
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return(false);
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}
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fclose($fp);
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return(true);
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}
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function start_element($parser, $name, $attrs)
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{
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global $show,$level,$levelcount,$maxlevel,$hide,$lev,$num,$PHP_SELF;
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global $webs,$subs;
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$level += 1;
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if($level>$maxlevel)$maxlevel=$level;
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$levelcount[$level]+=1;
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if($hide){
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if($level==$lev&&$levelcount[$level]==$num)$hide=FALSE;
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}else{
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if($level<=$lev)$hide=TRUE;
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}
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if(!$hide){
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switch($name){
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case "sub":
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$show="sub";
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break;
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case "web":
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$show="web";
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break;
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default:
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break;
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}
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if($level==$lev+1&&$level>0){
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switch($show){
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case "sub":
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$subs->count+=1;
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$subs->items[$subs->count]->url = "$PHP_SELF?lev=$level&num=$levelcount[$level]";
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break;
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case "web":
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$webs->count+=1;
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while ( list( $key, $val ) = each( $attrs ) ) {
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switch(trim($key)){
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case "url" :
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$webs->items[$webs->count]->url=trim($val);
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break;
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case "memo" :
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$webs->items[$webs->count]->memo=trim($val);
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break;
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}
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}
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break;
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default:
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break;
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}
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}
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}
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}
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function stop_element($parser, $name)
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{
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global $level;
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$level -= 1;
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}
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function data($parser, $data)
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{
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global $level,$hide,$show,$lev,$levelcount,$num;
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global $webs,$subs,$title;
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if($level==$lev&&$levelcount[$level]==$num&&trim($data)!="")$title=trim($data);
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if(!$hide)
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if(trim($data)!=""&&($level==$lev+1&&$level>0)){
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switch($show){
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case "sub":
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$subs->items[$subs->count]->name=trim($data);
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break;
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case "web":
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$webs->items[$webs->count]->name=trim($data);
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break;
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}
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}
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}
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//main start
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global $lev,$num,$PHP_SELF;
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global $title,$webs,$subs;
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$level = -1;
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$hide = TRUE;
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$webs = new Cwebs;
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$subs = new Csubs;
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if($lev==""){$lev=0;$num=1;}
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if($page=="")$page=0;
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$parser = xml_parser_create();
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xml_set_element_handler($parser, "start_element", "stop_element");
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xml_set_character_data_handler($parser, "data");
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
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$ret = xml_parse_from_file($parser, $file);
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if(!$ret)
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{
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die(sprintf("XML error: %s at line %d",
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xml_error_string(xml_get_error_code($parser)),
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xml_get_current_line_number($parser)));
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}
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xml_parser_free($parser);
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echo "<p><a href=$PHP_SELF>搜索首页</a> ";
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echo "<a href="javascript:history.back()">后退</a><form action="xml3.php" method="get">".
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"<input name="search" type=edit><input type=submit value="Search"></form></p>";
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echo "<center><div class=title>".$title."</div></center>";
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$i=0;
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echo "<table width="740">";
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while($i<$subs->count){
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$i+=1;
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if(($i%5)==1)echo"<tr>";
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echo "<td width = 20%>";
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echo "<a href=".$subs->items[$i]->url.">".$subs->items[$i]->name."</a>";
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echo "</td>";
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}
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echo "</table><hr>";
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$i=$page*$pagecount;
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if ($webs->count > 0){
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echo "<center>".($page+1)."/";
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echo Ceil($webs->count/$pagecount);}
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echo "<table width=740>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$webs->count&&$i<(($page+1)*$pagecount)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width=40>".$i."<td width=700><a href=".$webs->items[$i]->url.">".
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$i]->name."</tr><tr><td/><td>".$webs->items[$i]->memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td></tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page>0)echo "<a href="."$PHP_SELF?lev=$lev&num=$num&page=".($page-1).">上一页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($page+1)<Ceil($webs->count/$pagecount))echo "<a href="."$PHP_SELF?lev=$lev&num=$num&page=".($page+1).">下一页</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
?>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</html>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
__________________________________________________________
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml3.php
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
关键字匹配采用eregi函数，功能相对简单，且有些bug，
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
如输入C++会报错（因为+是关键字）这点就不如用SQL查询了。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
您可以在下面的程序的基础上加以完善，我这个迷你的就
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
起到抛砖引玉的作用吧。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<html>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<style type=text/css>
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td,p,li,input,select {font-size:12px;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:link {font-size:12px;color:#00007f;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:visited {font-size:12px;color:#00007f;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:active {font-size:12px;color:#ff0000;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:hover {font-size:12px;color:#ff0000;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
.title {font-family:Tahoma; width=420 ;font-size :16px; font-weight :bold; color :steelblue; filter:Shadow(color="LightGrey", Direction="130");}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
.counter{font-family:Tahoma; color=green; font-size : 12px;}
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</style>
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<?
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// XML文件
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$file = "demo.xml";
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$pagecount = 10;
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Cweb { //网页
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $name;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $url;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Cwebs {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $items = array(Cweb);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $count = 0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Csub { //类别
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $name;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $url;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Csubs {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $items = array(Csub);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $count = 0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
// 解析XML文件的函数
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function xml_parse_from_file($parser, $file)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!file_exists($file))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die("Can’t find file "$file".");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!($fp = @fopen($file, "r")))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die("Can’t open file "$file".");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($data = fread($fp, 4096)) {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!xml_parse($parser, $data, feof($fp)))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
return(false);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
fclose($fp);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
return(true);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function start_element($parser, $name, $attrs)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $show,$level,$levelcount,$maxlevel,$PHP_SELF;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$finded;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$finded=FALSE;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level += 1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($level>$maxlevel)$maxlevel=$level;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$levelcount[$level]+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($name){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$show="sub";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$show="web";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
default:
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($show){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->count+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->items[$subs->count]->url = "xml2.php?lev=$level&num=$levelcount[$level]";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->count+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while ( list( $key, $val ) = each( $attrs ) ) {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(eregi($search,$val))$finded=TRUE;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch(trim($key)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "url" :
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->url=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "memo" :
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->memo=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
default:
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function stop_element($parser, $name)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $level;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level -= 1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function data($parser, $data)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $level,$show,$levelcount;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$finded;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(trim($data)!=""){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($show){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->items[$subs->count]->name=trim($data);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!eregi($search,$data))$subs->count-=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->name=trim($data);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if((!eregi($search,$data))&&(!$finded))$webs->count-=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
//main start
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $PHP_SELF;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level = -1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$hide = TRUE;
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$webs = new Cwebs;
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$subs = new Csubs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page=="")$page=0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($search=="")$search="请输入关键字";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$parser = xml_parser_create();
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_set_element_handler($parser, "start_element", "stop_element");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_set_character_data_handler($parser, "data");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$ret = xml_parse_from_file($parser, $file);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!$ret)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die(sprintf("XML error: %s at line %d",
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_error_string(xml_get_error_code($parser)),
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_get_current_line_number($parser)));
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_parser_free($parser);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
// 输出
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<p><a href=xml2.php>搜索首页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href="javascript:history.back()">后退</a></p>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<center><div class=title>".$search."</div></center>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i=0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<table width="740">";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$subs->count){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($i%5)==1)echo"<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width = 20%>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href=".$subs->items[$i]->url.">".$subs->items[$i]->name."</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table><hr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i=$page*$pagecount;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<center>".($page+1)."/";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo Ceil($webs->count/$pagecount);}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<table width=740>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$webs->count&&$i<(($page+1)*$pagecount)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width=40>".$i."<td width=700><a href=".$webs->items[$i]->url.">".
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$i]->name."</tr><tr><td/><td>".$webs->items[$i]->memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td></tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page>0)echo "<a href="."$PHP_SELF?search=$search&page=".($page-1).">上一页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($page+1)<Ceil($webs->count/$pagecount))echo "<a href="."$PHP_SELF?search=$search&page=".($page+1).">下一页</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
?>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</html>
php爱好者站 http://www.ｐｈｐfans.net Linux|Apache|IIS.
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
作者 来源
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
时间 2000年11月30日 阅读次数 247
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版本 ----- 价值 17
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
[投他一票]
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
来源：奥索网
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
用PHP&XML编制迷你搜索引擎（四）
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
五、mini的搜索引擎
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
作了如干的铺垫，令人激动的时刻到来了。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
分页等版式输出和用SQL的搜索引擎差不多，我就不加注释了。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
第一段为仿sina，yahoo的按照类别查询
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
第二段为搜索查询部分(其实就是把整个树遍历一遍)显示符合的
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内容。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
说明：
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
"网络狂飙之谜你搜索引擎"适用于小数据量的数据索引查询，根据测试，当数据量超过1000条以后便不再适用，相当浪费主机资源，建议您超过400条记录采用mysql等数据库语言构建。希望您通过我的程序，对PHP对XML的解析函数有所认识。所有范例程序欢迎大家适用，如果您要将其用于自己的主页中请于我联系说明（其实就是将其用于的网站的名称告知于我）。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
sfs([email protected])
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
以上的所有范例请到我的主页fire.oso.com.cn
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
上下载，我学PHP不到一个月，也刚来oso，希望文章中的错误之处大家能谅解。以后，我将为大家奉献出更多的源创范例。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
废话少说，尽请看来。
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__________________________________________________________
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml2.php
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<html>
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<body>
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<style type=text/css>
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td,p,li,input,select {font-size:12px;}
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A:link {font-size:12px;color:#00007f;}
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A:visited {font-size:12px;color:#00007f;}
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A:active {font-size:12px;color:#ff0000;}
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A:hover {font-size:12px;color:#ff0000;}
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.title {font-family:Tahoma; width=420 ;font-size :16px; font-weight :bold; color :steelblue; filter:Shadow(color="LightGrey", Direction="130");}
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.counter{font-family:Tahoma; color=green; font-size : 12px;}
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</style>
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<?
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// XML文件
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$file = "demo.xml";
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$pagecount = 10;
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class Cweb { //网页
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var $name;
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var $url;
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var $memo;
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}
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class Cwebs {
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var $items = array(Cweb);
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var $count = 0;
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}
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class Csub { //类别
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var $name;
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var $url;
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}
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class Csubs {
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var $items = array(Csub);
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var $count = 0;
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}
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function xml_parse_from_file($parser, $file)
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{
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if(!file_exists($file))
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die("Can’t find file "$file".");
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if(!($fp = @fopen($file, "r")))
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die("Can’t open file "$file".");
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while($data = fread($fp, 4096)) {
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if(!xml_parse($parser, $data, feof($fp)))
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return(false);
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}
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fclose($fp);
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return(true);
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}
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function start_element($parser, $name, $attrs)
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{
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global $show,$level,$levelcount,$maxlevel,$hide,$lev,$num,$PHP_SELF;
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global $webs,$subs;
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$level += 1;
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if($level>$maxlevel)$maxlevel=$level;
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$levelcount[$level]+=1;
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if($hide){
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if($level==$lev&&$levelcount[$level]==$num)$hide=FALSE;
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}else{
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if($level<=$lev)$hide=TRUE;
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}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!$hide){
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switch($name){
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case "sub":
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$show="sub";
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break;
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case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$show="web";
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break;
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default:
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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}
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($level==$lev+1&&$level>0){
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($show){
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case "sub":
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$subs->count+=1;
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$subs->items[$subs->count]->url = "$PHP_SELF?lev=$level&num=$levelcount[$level]";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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case "web":
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$webs->count+=1;
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while ( list( $key, $val ) = each( $attrs ) ) {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch(trim($key)){
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case "url" :
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$webs->items[$webs->count]->url=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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case "memo" :
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$webs->items[$webs->count]->memo=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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}
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}
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break;
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default:
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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}
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}
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}
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}
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function stop_element($parser, $name)
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{
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global $level;
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$level -= 1;
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}
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function data($parser, $data)
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{
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global $level,$hide,$show,$lev,$levelcount,$num;
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global $webs,$subs,$title;
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if($level==$lev&&$levelcount[$level]==$num&&trim($data)!="")$title=trim($data);
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if(!$hide)
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if(trim($data)!=""&&($level==$lev+1&&$level>0)){
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switch($show){
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case "sub":
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$subs->items[$subs->count]->name=trim($data);
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break;
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case "web":
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$webs->items[$webs->count]->name=trim($data);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
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}
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}
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}
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//main start
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global $lev,$num,$PHP_SELF;
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global $title,$webs,$subs;
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$level = -1;
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$hide = TRUE;
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$webs = new Cwebs;
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$subs = new Csubs;
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if($lev==""){$lev=0;$num=1;}
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if($page=="")$page=0;
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$parser = xml_parser_create();
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xml_set_element_handler($parser, "start_element", "stop_element");
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xml_set_character_data_handler($parser, "data");
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
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$ret = xml_parse_from_file($parser, $file);
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if(!$ret)
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{
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die(sprintf("XML error: %s at line %d",
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xml_error_string(xml_get_error_code($parser)),
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xml_get_current_line_number($parser)));
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}
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_parser_free($parser);
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<p><a href=$PHP_SELF>搜索首页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href="javascript:history.back()">后退</a><form action="xml3.php" method="get">".
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
"<input name="search" type=edit><input type=submit value="Search"></form></p>";
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echo "<center><div class=title>".$title."</div></center>";
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$i=0;
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echo "<table width="740">";
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while($i<$subs->count){
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$i+=1;
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if(($i%5)==1)echo"<tr>";
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echo "<td width = 20%>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href=".$subs->items[$i]->url.">".$subs->items[$i]->name."</a>";
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echo "</td>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
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echo "</table><hr>";
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$i=$page*$pagecount;
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if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<center>".($page+1)."/";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo Ceil($webs->count/$pagecount);}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<table width=740>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$webs->count&&$i<(($page+1)*$pagecount)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width=40>".$i."<td width=700><a href=".$webs->items[$i]->url.">".
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$i]->name."</tr><tr><td/><td>".$webs->items[$i]->memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td></tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page>0)echo "<a href="."$PHP_SELF?lev=$lev&num=$num&page=".($page-1).">上一页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($page+1)<Ceil($webs->count/$pagecount))echo "<a href="."$PHP_SELF?lev=$lev&num=$num&page=".($page+1).">下一页</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
?>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</html>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
__________________________________________________________
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml3.php
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
关键字匹配采用eregi函数，功能相对简单，且有些bug，
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
如输入C++会报错（因为+是关键字）这点就不如用SQL查询了。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
您可以在下面的程序的基础上加以完善，我这个迷你的就
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
起到抛砖引玉的作用吧。
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<html>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<style type=text/css>
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td,p,li,input,select {font-size:12px;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:link {font-size:12px;color:#00007f;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:visited {font-size:12px;color:#00007f;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:active {font-size:12px;color:#ff0000;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
A:hover {font-size:12px;color:#ff0000;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
.title {font-family:Tahoma; width=420 ;font-size :16px; font-weight :bold; color :steelblue; filter:Shadow(color="LightGrey", Direction="130");}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
.counter{font-family:Tahoma; color=green; font-size : 12px;}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</style>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
<?
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// XML文件
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$file = "demo.xml";
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$pagecount = 10;
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chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Cweb { //网页
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $name;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $url;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Cwebs {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $items = array(Cweb);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $count = 0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Csub { //类别
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $name;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $url;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
class Csubs {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $items = array(Csub);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
var $count = 0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
// 解析XML文件的函数
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function xml_parse_from_file($parser, $file)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!file_exists($file))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die("Can’t find file "$file".");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!($fp = @fopen($file, "r")))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die("Can’t open file "$file".");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($data = fread($fp, 4096)) {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!xml_parse($parser, $data, feof($fp)))
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
return(false);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
fclose($fp);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
return(true);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function start_element($parser, $name, $attrs)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $show,$level,$levelcount,$maxlevel,$PHP_SELF;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$finded;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$finded=FALSE;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level += 1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($level>$maxlevel)$maxlevel=$level;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$levelcount[$level]+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($name){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$show="sub";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$show="web";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
default:
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($show){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->count+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->items[$subs->count]->url = "xml2.php?lev=$level&num=$levelcount[$level]";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->count+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while ( list( $key, $val ) = each( $attrs ) ) {
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(eregi($search,$val))$finded=TRUE;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch(trim($key)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "url" :
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->url=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "memo" :
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->memo=trim($val);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
default:
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function stop_element($parser, $name)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $level;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level -= 1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
function data($parser, $data)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $level,$show,$levelcount;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$finded;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(trim($data)!=""){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
switch($show){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "sub":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs->items[$subs->count]->name=trim($data);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!eregi($search,$data))$subs->count-=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
case "web":
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$webs->count]->name=trim($data);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if((!eregi($search,$data))&&(!$finded))$webs->count-=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
break;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
//main start
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $PHP_SELF;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
global $search,$webs,$subs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$level = -1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$hide = TRUE;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs = new Cwebs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$subs = new Csubs;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page=="")$page=0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($search=="")$search="请输入关键字";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$parser = xml_parser_create();
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_set_element_handler($parser, "start_element", "stop_element");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_set_character_data_handler($parser, "data");
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$ret = xml_parse_from_file($parser, $file);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(!$ret)
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
{
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
die(sprintf("XML error: %s at line %d",
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_error_string(xml_get_error_code($parser)),
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_get_current_line_number($parser)));
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
xml_parser_free($parser);
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
// 输出
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<p><a href=xml2.php>搜索首页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href="javascript:history.back()">后退</a></p>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<center><div class=title>".$search."</div></center>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i=0;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<table width="740">";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$subs->count){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($i%5)==1)echo"<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width = 20%>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<a href=".$subs->items[$i]->url.">".$subs->items[$i]->name."</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table><hr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i=$page*$pagecount;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<center>".($page+1)."/";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo Ceil($webs->count/$pagecount);}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<table width=740>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
while($i<$webs->count&&$i<(($page+1)*$pagecount)){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$i+=1;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "<td width=40>".$i."<td width=700><a href=".$webs->items[$i]->url.">".
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
$webs->items[$i]->name."</tr><tr><td/><td>".$webs->items[$i]->memo;
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</td></tr>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
echo "</table>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if ($webs->count > 0){
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if($page>0)echo "<a href="."$PHP_SELF?search=$search&page=".($page-1).">上一页</a> ";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
if(($page+1)<Ceil($webs->count/$pagecount))echo "<a href="."$PHP_SELF?search=$search&page=".($page+1).">下一页</a>";
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
}
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
?>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</body>
chi na it p owe r .commPCVOSX9gAusXwuFRNSA4TUUF
</html>
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