本文实例讲述了PHP实现对xml的增删改查操作。分享给大家供大家参考，具体如下：
案例：
index.php
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<?phpheader("content-type:text/html;charset=utf-8");$xmldom = new DOMDocument();$xmldom->load("demo2.xml");//查询学生信息$stus = $xmldom->getElementsByTagName("学生");for ($i=0;$i<$stus->length;$i++){ $stu = $stus->item($i); getxmlnode($stu, "姓名"); getxmlnode($stu, "年龄"); getxmlnode($stu, "性别"); getxmlnode($stu, "介绍");}function getxmlnode(&$stu,$tagname){ echo $stuname = $stu->getElementsByTagName($tagname)->item(0)->nodeValue."<br/>";}//添加一个学生信息//addxml($xmldom);function addxml($xmldom){ $root = $xmldom->getElementsByTagName("班级")->item(0); $ostus = $xmldom->createElement_x_x("学生"); //添加属性 $ostus->setAttribute("恋爱状况","热恋中"); //$ostus->nodeValue="\r\n"; $root->a($ostus); $ostu_name = $xmldom->createElement_x_x("姓名"); $ostus->a($ostu_name); $ostu_name->nodeValue="小娜"; $ostu_sex = $xmldom->createElement_x_x("性别"); $ostus->a($ostu_sex); $ostu_sex->nodeValue="女"; $ostu_age = $xmldom->createElement_x_x("年龄"); $ostus->a($ostu_age); $ostu_age->nodeValue="23"; $ostu_intro = $xmldom->createElement_x_x("介绍"); $ostus->a($ostu_intro); $ostu_intro->nodeValue="高一美女"; $xmldom->save("demo2.xml");}//删除一个学生信息//del_element($xmldom);function del_element($xmldom){ $dstus = $xmldom->getElementsByTagName("学生"); $laststu = $dstus->item($dstus->length-1); $laststu->parentNode->removeChild($laststu);}//修改一个学生信息//update_element($xmldom);function update_element($xmldom){ $ustus = $xmldom->getElementsByTagName("学生"); $ustu = $ustus->item(0); $ustu_age = $ustu->getElementsByTagName("年龄")->item(0); $ustu_age->nodeValue+=10;}//写会到文件中$xmldom->save("demo2.xml");?> |
demo2.xml
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<?xml version="1.0" encoding="UTF-8"?><班级></班级> |
希望本文所述对大家PHP程序设计有所帮助。
