php和ajax结合实现登录
2008-01-18 10:26
537 查看
啊哈,终于用PHP实现了登录和注册拉,但是问题又来了,要求用ajax和php结合实现登录注册油烟机清洗
php登录源码:
下面是chklogin.php页面代码:
<?php
session_start();
$connect=mysql_connect("127.0.0.1","root","123");
if(!$connect)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db(design,$connect);
$query="select * from ta_user where user_name ='".$name."'";
$result=mysql_query($query) OR die("Unable to connect to MySQL/");
$rows=mysql_fetch_array($result);
if($rows[user_password]==$pwd)
{
header("Location:login_suss.php?name=".$name."");
}
else
{
echo "<table width='235' height='61' border='0' align='center'>";
echo "<tr><td height='29'>用户名或密码错误!</td></tr>";
echo "<tr><td height='29'>请点击<a href='javascrīpt:history.go(-1);'>这儿</a>重新输入!";
echo "</td></tr>";
echo "</table>";
}
?>
ajax:
<scrīpt language="javascrīpt">
function getXMLHTTPRequest()
{
var xRequest=null;
if (window.XMLHttpRequest)
{
xRequest=new XMLHttpRequest();
}
else if (typeof ActiveXObject != "undefined")
{
xRequest=new ActiveXObject("Microsoft.XMLHTTP");
}
return xRequest;
}
function Ajax(url)
{
AjaxObj = getXMLHTTPRequest();
AjaxObj.onreadystatechange = processRequest;
AjaxObj.open("post",url,true);
AjaxObj.setRequestHeader('Content-type','application/x-www-form-urlencoded');
AjaxObj.send("name"+name);
}
function processRequest()
{
if(AjaxObj.readyState == 4)
{
if(AjaxObj.status == 200)
{
if(AjaxObj.responseText != "")
{
document.getElementById("show").innerHTML="";
//alert(AjaxObj.responseText);
document.getElementById("show").innerHTML=AjaxObj.responseText;
}
}
else
{
alert("您所请求的页面有异常。")
}
}
else
{
document.getElementById("show").innerHTML="Loading......";
}
}
</scrīpt>
这是我在项目中用到的..
用onclick="Ajax(***.php)";调用就行..
php登录源码:
下面是chklogin.php页面代码:
<?php
session_start();
$connect=mysql_connect("127.0.0.1","root","123");
if(!$connect)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db(design,$connect);
$query="select * from ta_user where user_name ='".$name."'";
$result=mysql_query($query) OR die("Unable to connect to MySQL/");
$rows=mysql_fetch_array($result);
if($rows[user_password]==$pwd)
{
header("Location:login_suss.php?name=".$name."");
}
else
{
echo "<table width='235' height='61' border='0' align='center'>";
echo "<tr><td height='29'>用户名或密码错误!</td></tr>";
echo "<tr><td height='29'>请点击<a href='javascrīpt:history.go(-1);'>这儿</a>重新输入!";
echo "</td></tr>";
echo "</table>";
}
?>
ajax:
<scrīpt language="javascrīpt">
function getXMLHTTPRequest()
{
var xRequest=null;
if (window.XMLHttpRequest)
{
xRequest=new XMLHttpRequest();
}
else if (typeof ActiveXObject != "undefined")
{
xRequest=new ActiveXObject("Microsoft.XMLHTTP");
}
return xRequest;
}
function Ajax(url)
{
AjaxObj = getXMLHTTPRequest();
AjaxObj.onreadystatechange = processRequest;
AjaxObj.open("post",url,true);
AjaxObj.setRequestHeader('Content-type','application/x-www-form-urlencoded');
AjaxObj.send("name"+name);
}
function processRequest()
{
if(AjaxObj.readyState == 4)
{
if(AjaxObj.status == 200)
{
if(AjaxObj.responseText != "")
{
document.getElementById("show").innerHTML="";
//alert(AjaxObj.responseText);
document.getElementById("show").innerHTML=AjaxObj.responseText;
}
}
else
{
alert("您所请求的页面有异常。")
}
}
else
{
document.getElementById("show").innerHTML="Loading......";
}
}
</scrīpt>
这是我在项目中用到的..
用onclick="Ajax(***.php)";调用就行..
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