php学习（一）
时间：2011-01-29 来源：王爷
<?php
//写cookie
setcookie("user", "wang70937", time()+60);
//session
session_start();
if(isset($_SESSION['views']))
$_SESSION['views']=$_SESSION['views']+1;
else
$_SESSION['views']=1;
echo "Session: Views=". $_SESSION['views']."<br />";
?>
<script >
function Show(){
alert("asdf");
}
</script>
<html>
<title>php测试页面 </title>
<head><script src="clienthint.js"></script></head>
<body>
<?php
//输出
echo "<br />"."[******输出******]"."<br />";
echo "Hello World!"."<br />";
$a = "Php";
$b = "Language";
echo $a." ".$b."<br />";
//数组
echo "<br />"."[******数组******]"."<br />";
$arr = array("abcde", "fghijk", "lmnopq");
foreach($arr as $value)
{
echo $value."<br />";
}
//函数
echo "<br />"."[******函数******]"."<br />";
function FunA($A, $B){
echo "函数参数：".$A.", ".$B;
return "ret_value";
}
$ret = FunA(123, "param");
echo "函数返回值：".$ret."<br />";
echo "<br />"."[******表单******]"."<br />";
?>
<form action="form.php" method="post">
Name: <input type="text" name="name" />
Age: <input type="text" name="age" />
<input type="submit" />
</form>
<?php echo "<br />";
echo "<br />"."[******上传文件******]"."<br />";
?>
<form action="upload_file.php" method="post"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<br />
<input type="submit" name="submit" value="Submit" />
</form>
<?php
//session
echo "<br />"."[******session******]"."<br />";
//retrieve session data
echo "Pageviews=". $_SESSION['views'];
?>
<br />
<!-- //删除session -->
<?php
//echo "<br />"."[******删除session******]"."<br />";
// session_destroy();
?>
<?php
//发送邮件
echo "<br />"."[******发送邮件******]"."<br />";
$to = "[email protected]";
$subject = "Test mail";
$message = "Hello! This is a simple email message.";
$from = "[email protected]";
$headers = "From: $from";
mail($to,$subject,$message,$headers);
echo "Mail Sent."."<br />";
?>
<?php
//mysql数据库
echo "<br />"."[******mysql数据库******]"."<br />";
$con = mysql_connect("localhost","root","1");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
else
echo "连接Mysql成功!"."<br />";
mysql_select_db("bbs", $con);
mysql_query("set names GBK");
//show tables
$TableCount = mysql_query("show tables");
while($Table = mysql_fetch_array($TableCount))
{
//表名
$TableName = $Table[0];
$sql = "select * from ".$TableName;
$result = mysql_query($sql);
echo "<br />表：[".$TableName."]<br />";
//表的字段个数
$FiledCount = mysql_num_fields($result);
//记录条数
$RecordCount = mysql_num_rows($result);
echo "sql[".$sql."] 记录条数：".$RecordCount."<br />";
if($FiledCount > 0 )
{
echo "<table border='1'>;
<tr>
<th>记录序号</th>";
for($index=0; $index<$FiledCount; $index++)
{
//字段名
$FiledName = mysql_fetch_field($result);
echo "<th>$FiledName->name</th>";
}
echo "</tr>";
$No = 0;
while($row = mysql_fetch_array($result))
{
$No = $No + 1;
echo "<tr>";
echo "<td>" . $No . "</td>";
for($index=0; $index<$FiledCount; $index++)
{
echo "<td>" . $row[$index] . "</td>";
}
echo "</tr>";
}
echo "</table>";
}
}
mysql_close($con);
?>
<?php
//xml解析
echo "<br />"."********xml解析********"."<br />";
/*$xmlDoc = new DOMDocument();
$xmlDoc->load("note.xml");
$x = $xmlDoc->documentElement;
foreach ($x->childNodes AS $item)
{
print $item->nodeName . " = " . $item->nodeValue . "<br />";
}*/
$xml = simplexml_load_file("note.xml");
echo $xml->getName() . "<br />";
foreach($xml->children() as $child)
{
echo $child->getName() . ": " . $child . "<br />";
}
?>
<?php
//ajax
echo "<br />"."*******ajax*******"."<br />";
?>
<form>
First Name:
<input type="text" id="txt1"
//onkeyup="showHint(this.value)"
onkeyup="Show()">
</form>
<p>Suggestions: <span id="txtHint"></span></p>
</body>
</html>
1 <?php
2 //写cookie
3 setcookie("user", "wang70937", time()+60);
4 //session
5 session_start();
6
7 if(isset($_SESSION['views']))
8 $_SESSION['views']=$_SESSION['views']+1;
9
10 else
11 $_SESSION['views']=1;
12 echo "Session: Views=". $_SESSION['views']."<br />";
13 ?>
14
15 <script >
16 function Show(){
17 alert("asdf");
18 }
19 </script>
20
21 <html>
22 <title>php测试页面 </title>
23 <head><script src="clienthint.js"></script></head>
24 <body>
25 <?php
26 //输出
27 echo "<br />"."[******输出******]"."<br />";
28 echo "Hello World!"."<br />";
29 $a = "Php";
30 $b = "Language";
31 echo $a." ".$b."<br />";
32
33 //数组
34 echo "<br />"."[******数组******]"."<br />";
35 $arr = array("abcde", "fghijk", "lmnopq");
36 foreach($arr as $value)
37 {
38 echo $value."<br />";
39 }
40
41 //函数
42 echo "<br />"."[******函数******]"."<br />";
43 function FunA($A, $B){
44 echo "函数参数：".$A.", ".$B;
45 return "ret_value";
46 }
47 $ret = FunA(123, "param");
48 echo "函数返回值：".$ret."<br />";
49
50
51 echo "<br />"."[******表单******]"."<br />";
52 ?>
53 <form action="form.php" method="post">
54 Name: <input type="text" name="name" />
55 Age: <input type="text" name="age" />
56 <input type="submit" />
57 </form>
58
59 <?php echo "<br />";
60
61 echo "<br />"."[******上传文件******]"."<br />";
62 ?>
63 <form action="upload_file.php" method="post"
64 enctype="multipart/form-data">
65 <label for="file">Filename:</label>
66 <input type="file" name="file" id="file" />
67 <br />
68 <input type="submit" name="submit" value="Submit" />
69 </form>
70
71 <?php
72 //session
73 echo "<br />"."[******session******]"."<br />";
74
75 //retrieve session data
76 echo "Pageviews=". $_SESSION['views'];
77 ?>
78 <br />
79
80 <!-- //删除session -->
81 <?php
82 //echo "<br />"."[******删除session******]"."<br />";
83 // session_destroy();
84 ?>
85
86 <?php
87 //发送邮件
88 echo "<br />"."[******发送邮件******]"."<br />";
89
90 $to = "[email protected]";
91 $subject = "Test mail";
92 $message = "Hello! This is a simple email message.";
93 $from = "[email protected]";
94 $headers = "From: $from";
95 mail($to,$subject,$message,$headers);
96 echo "Mail Sent."."<br />";
97 ?>
98
99 <?php
100 //mysql数据库
101 echo "<br />"."[******mysql数据库******]"."<br />";
102 $con = mysql_connect("localhost","root","1");
103 if (!$con)
104 {
105 die('Could not connect: ' . mysql_error());
106 }
107 else
108 echo "连接Mysql成功!"."<br />";
109 mysql_select_db("bbs", $con);
110 mysql_query("set names GBK");
111 //show tables
112 $TableCount = mysql_query("show tables");
113 while($Table = mysql_fetch_array($TableCount))
114 {
115 //表名
116 $TableName = $Table[0];
117 $sql = "select * from ".$TableName;
118 $result = mysql_query($sql);
119
120 echo "<br />表：[".$TableName."]<br />";
121 //表的字段个数
122 $FiledCount = mysql_num_fields($result);
123 //记录条数
124 $RecordCount = mysql_num_rows($result);
125
126 echo "sql[".$sql."] 记录条数：".$RecordCount."<br />";
127
128 if($FiledCount > 0 )
129 {
130 echo "<table border='1'>;
131 <tr>
132 <th>记录序号</th>";
133 for($index=0; $index<$FiledCount; $index++)
134 {
135 //字段名
136 $FiledName = mysql_fetch_field($result);
137 echo "<th>$FiledName->name</th>";
138 }
139 echo "</tr>";
140 $No = 0;
141 while($row = mysql_fetch_array($result))
142 {
143 $No = $No + 1;
144 echo "<tr>";
145 echo "<td>" . $No . "</td>";
146 for($index=0; $index<$FiledCount; $index++)
147 {
148 echo "<td>" . $row[$index] . "</td>";
149 }
150 echo "</tr>";
151 }
152 echo "</table>";
153
154 }
155 }
156
157
158
159
160 mysql_close($con);
161 ?>
162
163 <?php
164 //xml解析
165 echo "<br />"."********xml解析********"."<br />";
166
167 /*$xmlDoc = new DOMDocument();
168 $xmlDoc->load("note.xml");
169
170 $x = $xmlDoc->documentElement;
171 foreach ($x->childNodes AS $item)
172 {
173 print $item->nodeName . " = " . $item->nodeValue . "<br />";
174 }*/
175 $xml = simplexml_load_file("note.xml");
176
177 echo $xml->getName() . "<br />";
178
179 foreach($xml->children() as $child)
180 {
181 echo $child->getName() . ": " . $child . "<br />";
182 }
183 ?>
184
185 <?php
186 //ajax
187 echo "<br />"."*******ajax*******"."<br />";
188 ?>
189 <form>
190 First Name:
191 <input type="text" id="txt1"
192 //onkeyup="showHint(this.value)"
193 onkeyup="Show()">
194 </form>
195
196 <p>Suggestions: <span id="txtHint"></span></p>
197
198
199 </body>
200
201 </html>
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