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php爱好者> php文档>PHP4中使用COM(Windows)--例子

PHP4中使用COM(Windows)--例子

时间:2007-02-17  来源:PHP爱好者

PHP4 COM的MS Word例子
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<?php
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#*****************************************************
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# 这个例子来自Zend站点,并做了一点修改。
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# 将会打开一个Word的实例,
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# 输入一行“This is a test...”
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# 存为“Useless test.doc”。
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#*****************************************************
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#实例化一个Word控件
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$word = new COM("word.application") or die("不能实例化Word");
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#取得并输出版本号
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print "载入Word, 版本 {$word->Version}<BR>";
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#用com_get取得版本号
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$testversion = com_get($word->application,version);
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print "用Com_get()取得的版本: $testversion <BR>";
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#让Word可见
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$word->Visible = 1;
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#打开一个新文档
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$word->Documents->Add();
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#写
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$word->Selection->TypeText("This is a test...");
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#存
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$word->Documents[1]->SaveAs("Useless test.doc");
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#手工关闭Word,如果你想看到文档则注释下面这行
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$word->Quit();
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?>
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PHP4 COM的MS Excel例子
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<?php
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#设置工作簿,
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#在这里我们用Excel安装时自带的:SOLVSAMP.XLS
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$workbook = "C:Program FilesMicrosoft officeOfficeSamplesSOLVSAMP.XLS";
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$sheet = "Quick Tour";
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#实例化工作表控件
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$ex = new COM("Excel.sheet") or Die ("Did not connect");
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#取得程序名称和版本
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print "程序名称:{$ex->Application->value}<BR>" ;
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print "版本:{$ex->Application->version}<BR>";
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#打开工作簿
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$wkb = $ex->application->Workbooks->Open($workbook) or Die ("Did not open");
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#另存一份,这样就不会破坏原来的文件了
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$ex->Application->ActiveWorkbook->SaveAs("Ourtest");
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#$ex->Application->Visible = 1; #去掉注释可以让Excel可见
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#读取一个单元格的内容(E11)
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$sheets = $wkb->Worksheets($sheet); #选择工作表
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$sheets->activate; #激活
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$cell = $sheets->Cells(11,5) ; #选择单元格(行列号)
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$cell->activate; #激活
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print "Old Value = {$cell->value} <BR>"; #打印内容:10000
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$cell->value = 15000; #改为15000
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print "New value = {$cell->value}<BR> "; #打印新内容:15000
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#最后,重新计算工作表
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$sheets->Calculate; #当计算选项是手工时需要
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#看看结果total cost(单元格E13)
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$cell = $sheets->Cells(13,5) ; #选择单元格
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$number = Number_format($cell->value);
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print "New Total cost =$$number - was $47,732 before.<BR>";
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#将会打印$57,809
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#使用Excel的内置函数:
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#Function: PMT(percent/12 months,Number of payments,Loan amount)
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$pay = $ex->application->pmt(0.08/12,10,10000);
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$pay = sprintf("%.2f",$pay);
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print "Monthly payment for $10,000 loan @8% interest /10 months: $ $pay<BR>";
#将会打印monthly payment = $ -1,037.03
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#保存改过的工作簿
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$ex->Application->ActiveWorkbook->SaveAs("Ourtest");
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#关闭所有工作簿
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$ex->application->ActiveWorkbook->Close("False");
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unset ($ex);
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?>
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警告/可能的问题
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如果你的代码中有错误,你就有可能实例化了一个对象而没有关闭。结果当你改正了错误后有可能已经存在几个实例了,也许会干扰你的结果。解决:当改正了代码的错误之后,清除(<CTRL+ALT+DEL>后结束任务)所有的实例再运行新代码。同样的道理,记住在代码的末尾关闭程序断开联接。
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当使用com_get和com_set时你可能会遇到一些奇怪的现象。例如:为Word使用$Version = Com_get($instance->Application,"Version");时产生一个Excel的错误。
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有些对象不能在PHP4中实例化,这是因为这些对象需要一个PHP4 COM不支持的接口。
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为什么用它?
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希望这几个例子能给你一些启发。PHP COM允许你在PHP代码里连接许多Windows程序。这些代码比ASP更容易并且可以和PHP的数据库函数集成在一起使用。微软使用了一些不同的名称到处推广COM技术,例如COM+, ADO, OLE DB, OWC, Windows DNA等等。PHP和Apache给这些混淆提供了一个开放的解决方案。
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--Alain
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原文有三个例子,最后一个因为自己对PDF不是很熟所以没有翻译。
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译自:http://www.phpbuilder.com/columns/alain20001003.php3
php爱好者站 http://www.phpfans.net 网页制作|网站建设|数据采集.
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