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PHP 操作xml编程之xml的crud操作

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May 25, 2016 pm 04:42 PM

crud operation

本文章来给大家介绍一个PHP 操作xml编程之xml的crud操作,有需要了解的同学可参考.

html代码页面,代码如下:

<html> 
	<head> 
	    <meta http-equiv="Content-type" content="text/html;charset=utf-8"> 
	</head> 
	<body> 
	    <form action="wordProcess.php" method="post"> 
	        <input type="text" name="enword"> 
	        <input type="hidden" name="type" value="query"> 
	        <input type="submit" value="查询"> 
	    </form> 
	    <span>添加单词</span> 
	    <form action="wordProcess.php" method="post"> 
	        英文:<input type="text" name="enword"><br> 
	        中文:<input type="text" name="zhword"><br> 
	        <!--<input type="hidden" name="type" value="insert"> 
	        <input type="hidden" name="type" value="update"> --> 
	        <input type="submit" name="type" value="添加"> 
	        <input type="submit" name="type" value="修改"> 
	    </form> 
	    <form action="wordProcess.php" method="post"> 
	        <input type="text" name="word"> 
	        <input type="hidden" name="type" value="delete"> 
	        <input type="submit" value="删除"> 
	    </form> 
	</body> 
	</html>

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wordpress.php文件,代码如下:

<?php 
	 
	    //接收类型 看看用户做什么(查询、添加....) 
	    $type=$_REQUEST[&#39;type&#39;]; 
	    //echo $type; 
	    //exit(); 
	    //创建xml文档对象 
	    $doc=new DOMDocument(); 
	    $doc->load("words.xml"); 
	 
	    //进行判断 
	    if($type=="query"){ 
	        //获取用户输入的值 
	        $enword=$_REQUEST[&#39;enword&#39;]; 
	         
	        //判断是否进入查询 
	        $isEnter=false; 
	        //获取所有单词节点 
	        $words=$doc->getElementsByTagName("word"); 
	        //遍历单词节点 
	        for($i=0;$i<$words->length;$i++){ 
	            $word_node=$words->item($i); 
	            //获取不同的语种 
	            $en_word=getNodeVal($word_node,"en"); 
	            $zh_word=getNodeVal($word_node,"zh"); 
	            //查询 
	            if($enword==$en_word){ 
	                $isEnter=true; 
	                echo $enword."的中文意思是:".getNodeVal($word_node,"zh"); 
	                echo "<br/><a href=&#39;wordView.php&#39;>返回继续查询</a>"; 
	            }else if($enword==$zh_word){ 
	                $isEnter=true; 
	                echo $enword."的英文意思是:".getNodeVal($word_node,"en"); 
	                echo "<br/><a href=&#39;wordView.php&#39;>返回继续查询</a>"; 
	            } 
	        } 
	 
	        if(!$isEnter){ 
	            echo "无法查询"; 
	            echo "<br/><a href=&#39;wordView.php&#39;>返回继续查询</a>"; 
	        } 
	    }else if($type=="添加"){ 
	        //接收 
	        $enword=$_REQUEST[&#39;enword&#39;]; 
	        $zhword=$_REQUEST[&#39;zhword&#39;]; 
	        if(!emptyempty($enword)&&!emptyempty($zhword)){     
	            //获取根节点 
	            $root=$doc->getElementsByTagName("words")->item(0); 
	             
	            $word=$doc->createElement("word"); 
	            $en=$doc->createElement("en",$enword); 
	            $zh=$doc->createElement("zh",$zhword); 
	 
	            //进行挂载 
	 
	            $root->appendChild($word); 
	            $word->appendChild($en); 
	            $word->appendChild($zh); 
	 
	            //保存xml文件 
	            $doc->save("words.xml"); 
	            echo "添加成功<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	        }else{ 
	             
	            echo "请输入单词"; 
	            echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	            exit(); 
	        } 
	    }else if($type=="delete"){ 
	         
	        $word=$_REQUEST[&#39;word&#39;]; 
	        //获取所有单词节点 
	        $words=$doc->getElementsByTagName("word"); 
	        $isEnter=false; 
	        //遍历单词节点 
	        for($i=0;$i<$words->length;$i++){ 
	            $word_node=$words->item($i); 
	            //获取不同的语种 
	            $en_word=getNodeVal($word_node,"en"); 
	            $zh_word=getNodeVal($word_node,"zh"); 
	            //查询 
	            if($word==$en_word || $word==$zh_word){ 
	                $isEnter=true; 
	                //找到父节点 
	                $word_node->parentNode->removeChild($word_node); 
	                $doc->save("words.xml"); 
	                echo "删除成功<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	            } 
	        } 
	 
	        if(!$isEnter){ 
	            echo "操作失败"; 
	            echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	        } 
	    }else if($type="修改"){ 
	        //接收 
	        $enword=$_REQUEST[&#39;enword&#39;]; 
	        $zhword=$_REQUEST[&#39;zhword&#39;]; 
	        if(!emptyempty($enword)&&!emptyempty($zhword)){     
	            //获取所有单词节点 
	            $words=$doc->getElementsByTagName("word"); 
	            //遍历单词节点 
	            $isEnter=false; 
	            for($i=0;$i<$words->length;$i++){ 
	                $word_node=$words->item($i); 
	                //获取不同的语种 
	                $en_word=getNodeVal($word_node,"en"); 
	                $zh_word=getNodeVal($word_node,"zh"); 
	                //查询 
	                if($enword==$en_word && $zhword!=$zh_word){ 
	                    //修改中文 
	                    $isEnter=true; 
	                    //获取zh节点 
	                    $zh=$word_node->getElementsByTagName("zh")->item(0); 
	                    $zh->nodeValue=$zhword; 
	                    $doc->save("words.xml"); 
	                    echo "修改成功"; 
	                    echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	                }else if($enword!=$en_word && $zhword==$zh_word){ 
	                    //修改因为 
	                    $isEnter=true; 
	                    $en=$word_node->getElementsByTagName("en")->item(0); 
	                    $en->nodeValue=$enword; 
	                    $doc->save("words.xml"); 
	                    echo "修改成功"; 
	                    echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	                }     
	            } 
	 
	            if(!$isEnter){ 
	                echo "没有做任何修改"; 
	                echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	            } 
	 
	        }else{ 
	            echo "请输入需要修改的单词"; 
	            echo "<br/><a href=&#39;wordView.php&#39;>返回继续操作</a>"; 
	            exit(); 
	        } 
	    } 
	    //开源代码phprm.com 
	    //获取节点的文本值 
	    function getNodeVal(&$MyNode,$tagName){ 
	        return $MyNode->getElementsByTagName($tagName)->item(0)->nodeValue; 
	    }

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words.xml,代码如下:

<?xml version="1.0" encoding="utf-8" 
	<words><word><en>boy</en><zh>男孩</zh></word><word><en>girl</en><zh>女孩</zh></word><word><en>fire</en><zh>火</zh></word><word><en>word</en><zh>词库</zh></word></words>

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永久地址：

转载随意~请带上教程地址吧^^

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