图书管理界面:
法一:通过childNodes属性来获取所有子节点,然后再取子节点的值
法二:
添加图书信息:
添加界面如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <?php if($_POST){ $doc=new DOMDocument();//实例化DOMDocument对象 $doc->preserveWhiteSpace=false;//不保护空格,即导入xml的时候去掉空白字符 $doc->formatOutput=true;//格式化 $path=‘./books.xml‘; $doc->load($path); $book=$doc->createElement(‘book‘); $name=$doc->createElement(‘name‘,$_POST[‘name‘]); $price=$doc->createElement(‘price‘,$_POST[‘price‘]); $book->appendChild($name); $book->appendChild($price); $book->setAttribute(‘type‘,$_POST[‘type‘]); $books=$doc->documentElement;//找出根节点 $books->appendChild($book);//book添加到根节点books下面,作为books的子节点 if($doc->save($path)){ //echo ‘添加成功‘ header(‘location:books_admin.php‘); }else{ echo ‘添加失败‘; } } ?> <form id="form1" name="form1" method="post" action=""> <table width="400" border="1" align="center"> <tr> <td colspan="2" align="center">添加图书</td> </tr> <tr> <td>书名:</td> <td><input type="text" name="name" id="name" /></td> </tr> <tr> <td>类别:</td> <td><select name="type" id="type"> <option value="脚本语言">脚本语言</option> <option value="动态语言">动态语言</option> <option value="静态语言">静态语言</option> <option value="标记语言">标记语言</option> </select> </td> </tr> <tr> <td>价格:</td> <td><input type="text" name="price" id="price" /></td> </tr> <tr> <td colspan="2"><input type="submit" name="button" id="button" value="提交" /> <input type="button" name="button2" id="button2" value="返回" onclick="location.href=‘books_admin.php‘"/></td> </tr> </table> </form> </body> </html>
修改图书信息:
修改界面如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <?php $index=$_GET[‘index‘]; //echo $index; if(!is_numeric($index)) die(‘非法操作‘); $doc=new DOMDocument(); $doc->preserveWhiteSpace=false; $path=‘./books.xml‘; $doc->load($path); $oldbook=$doc->getElementsByTagName(‘book‘)->item($index); if($_POST){ $newbook=$doc->createElement(‘book‘); $name=$doc->createElement(‘name‘,$_POST[‘name‘]); $price=$doc->createElement(‘type‘,$_POST[‘price‘]); $newbook->setAttribute(‘type‘,$_POST[‘type‘]); $newbook->appendChild($name); $newbook->appendChild($price); $root=$doc->documentElement->replaceChild($newbook,$oldbook);//替换节点 $doc->save($path); header(‘location:books_admin.php‘); } ?> <form id="form1" name="form1" method="post" action=""> <table width="400" border="1" align="center"> <tr> <td colspan="2" align="center">修改图书</td> </tr> <tr> <td>书名:</td> <td><input type="text" name="name" id="name" value="<?php echo $oldbook->firstChild->nodeValue;?>"/></td> </tr> <tr> <td>类别:</td> <td><select name="type" id="type"> <option value="<?php echo $oldbook->getAttribute(‘type‘);?>"><?php echo $oldbook->getAttribute(‘type‘);?></option> <option value="脚本语言">脚本语言</option> <option value="动态语言">动态语言</option> <option value="静态语言">静态语言</option> <option value="标记语言">标记语言</option> </select> </td> </tr> <tr> <td>价格:</td> <td><input type="text" name="price" id="price" value="<?php echo $oldbook->lastChild->nodeValue;?>"/></td> </tr> <tr> <td colspan="2"><input type="submit" name="button" id="button" value="修改" /> <input type="button" name="button2" id="button2" value="返回" onclick="location.href=‘books_admin.php‘"/></td> </tr> </table> </form> </body> </html>
删除一条图书信息:
时间: 2024-10-08 10:59:49