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本文实例讲述了php+ajax实现的博客文章添加类别功能。分享给大家供大家参考，具体如下：
一. 代码
fun.js
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function savetype(typename, username){
if(typename==''){ //判断博客类别是否为空
alert('请输入类别名称！');
}else if(username==''){ //判断用户名是否为空
alert('请输入用户名！');
}else{
var xmlobj; //定义xmlhttprequest对象
var urldata = "typename="+typename+"&username="+username; //指定要发送的数据
if(window.activexobject){ //判断浏览器是否支持activexobject组件，如支持则通过activexobject方式创建xmlhttprequest对象
xmlobj = new activexobject("microsoft.xmlhttp");
}else if(window.xmlhttprequest){ //如果浏览器不支持activexobject组件，则使用xmlhttprequest组件创建xmlhttprequest对象
xmlobj = new xmlhttprequest();
}
xmlobj.onreadystatechange = callbackfun; //指定回调函数
xmlobj.open("post", "savetype.php", true); //指定提交方法和页面
xmlobj.setrequestheader("content-type", "application/x-www-form-urlencoded;"); //指定发送数据库类型
xmlobj.send(urldata); //指定发送的数据
function callbackfun(){ //定义回调函数
if(xmlobj.readystate == 4 && xmlobj.status == 200){ //如果服务器端返回内容并无错误发生
if(xmlobj.responsetext == 'y'){ //判断保存是否成功，并给出提示
alert('类别添加成功！');
}else{
alert('类别添加失败！');
}
}
}
}
}
conn.php
<?php
$host = '127.0.0.1';
$username = 'root';
$password = 'root';
$connid = mysql_connect($host, $username, $password);
mysql_select_db('db_database27', $connid);
mysql_query('set names gbk');
?>
index.php
<?php
require_once 'conn.php';
?>
<!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=gb2312" />
<title>添加类别</title>
<link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" rel="external nofollow" />
</head>
<script language="javascript" src="js/fun.js"></script>
<body>
<table border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><img src="images/banner.gif" width="608" height="109" /></td>
</tr>
</table>
<table width="200" height="7" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td></td>
</tr>
</table>
<table width="608" height="200" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#7ed227">
<tr>
<td width="150" bgcolor="#f6fefe" valign="top">
<table width="150" border="0" cellpadding="0" cellspacing="1" bordercolor="#ffffff" bgcolor="#d6fefe">
<?php
$sql = mysql_query("select typename,username from tb_type order by addtime desc", $connid);
$result = mysql_fetch_array($sql);
if ($result){
do{
?>
<tr>
<td bgcolor="#a6e617" height="20"><div align="center"><a href="#" rel="external nofollow" rel="external nofollow" class="a1"><?= $result['typename']?></a></div></td>
</tr>
<tr>
<td bgcolor="#f2f2f2" height="12"><div align="left">发布人：
<?= $result['username']?>
</a></div></td>
</tr>
<?php
}while($result = mysql_fetch_array($sql));
}else{
?>
<tr>
<td bgcolor="#a6e617" height="20">暂无文章类别</td>
</tr>
<?php
}
?>
</table>
</td>
<td width="455" bgcolor="#ffffff" style="padding-left:30px; line-height:25px">
请输入博客类别：<br />
<input type="text" name="typename" size="30" id="typename" /><br /><br/>
发布人：<br />
<input type="text" name="username" size="30" id="username" /><br /><br/>
<input type="button" value="保存" onclick="savetype(typename.value, username.value)" />
</td>
</tr>
</table>
<table width="200" height="7" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td></td>
</tr>
</table>
<table width="608" height="70" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td background="images/bottom.gif"><div align="center">
<div align="center">『博客』 版权所有 <a href="http://www.mingri***.com" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="a1">吉林省**科技有限公司</a>! 未经授权禁止复制或建立镜像!<br>
<br>copyright © <a href="http://www.mingri***.com" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="a1">www.mingri***.com</a> all rights reserved!<br>
</div>
</div></td>
</tr>
</table>
</body>
</html>
savetype.php
<?php
require_once 'conn.php';
?>
<!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=gb2312" />
<title>添加类别</title>
<link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" rel="external nofollow" />
</head>
<script language="javascript" src="js/fun.js"></script>
<body>
<table border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><img src="images/banner.gif" width="608" height="109" /></td>
</tr>
</table>
<table width="200" height="7" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td></td>
</tr>
</table>
<table width="608" height="200" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#7ed227">
<tr>
<td width="150" bgcolor="#f6fefe" valign="top">
<table width="150" border="0" cellpadding="0" cellspacing="1" bordercolor="#ffffff" bgcolor="#d6fefe">
<?php
$sql = mysql_query("select typename,username from tb_type order by addtime desc", $connid);
$result = mysql_fetch_array($sql);
if ($result){
do{
?>
<tr>
<td bgcolor="#a6e617" height="20"><div align="center"><a href="#" rel="external nofollow" rel="external nofollow" class="a1"><?= $result['typename']?></a></div></td>
</tr>
<tr>
<td bgcolor="#f2f2f2" height="12"><div align="left">发布人：
<?= $result['username']?>
</a></div></td>
</tr>
<?php
}while($result = mysql_fetch_array($sql));
}else{
?>
<tr>
<td bgcolor="#a6e617" height="20">暂无文章类别</td>
</tr>
<?php
}
?>
</table>
</td>
<td width="455" bgcolor="#ffffff" style="padding-left:30px; line-height:25px">
请输入博客类别：<br />
<input type="text" name="typename" size="30" id="typename" /><br /><br/>
发布人：<br />
<input type="text" name="username" size="30" id="username" /><br /><br/>
<input type="button" value="保存" onclick="savetype(typename.value, username.value)" />
</td>
</tr>
</table>
<table width="200" height="7" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td></td>
</tr>
</table>
<table width="608" height="70" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td background="images/bottom.gif"><div align="center">
<div align="center">『博客』 版权所有 <a href="http://www.mingri***.com" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="a1">吉林省**科技有限公司</a>! 未经授权禁止复制或建立镜像!<br>
<br>copyright © <a href="http://www.mingri***.com" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="a1">www.mingri***.com</a> all rights reserved!<br>
</div>
</div></td>
</tr>
</table>
</body>
</html>
二. 运行结果
更多关于php相关内容感兴趣的读者可查看本站专题：《php+ajax技巧与应用小结》、《php网络编程技巧总结》、《php基本语法入门教程》、《php面向对象程序设计入门教程》、《php字符串(string)用法总结》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》
希望本文所述对大家php程序设计有所帮助。
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