function createXMLHTTP() //初始化AJAX 对象
{ http_request = false; if (window.XMLHttpRequest) {
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');//修改header
}
} else if (window.ActiveXObject) { // 判定浏览器是 IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {//初始化xmlhttp组件
alert('Giving up :( Cannot create an XMLHTTP instance');
return false;
}
return http_request;
}function trim(str) //去2边空格函数
{
return str.replace(/(^\s*)|(\s*$)/g,"");
}function mzrui_login() //后台登录
{
var check_safe=document.forms["check_safe"];
var http_request=createXMLHTTP();
var str1=escape(check_safe.mzrui_name.value);
var str2=escape(check_safe.mzrui_pass.value);
if(str1 == "" || str2 == "")
{
alert("请输入用户名或密码");
}
else
{
var url=('ajax.php?action=mzrui_login&name='+str1+'&pass='+str2); // URL地址
http_request.onreadystatechange = function()
{
if(http_request.readyState == 4 && http_request.status == 200)
{
if(trim(http_request.responseText) == "error")
{
alert("对不起您输入的用户名和密码不对");
}
else
{
alert("对不起您输入的用户名和密码不对");
}
}
}
http_request.open('GET',url,true);
http_request.send(null);
}
}ajax.php<?php
include"../connect.php";
if($_REQUEST["action"]==mzrui_login) //ajax 后台登录
{
$str=unescape($_REQUEST["name"]);
$admin = mysql_query("select name,pass,jibie from mzrui_member where name='$str'");
$error = mysql_num_rows($admin);if($error <> '0')
{
while($check_name = mysql_fetch_array($admin))
{
if(md5($_REQUEST["pass"]) == $check_name[pass])
{
echo iconv("GB2312", "UTF-8",'验证成功');
}
}
}
else
{ echo 'error';}}IE 下面没有问题,firefox 控制台报url=('ajax.php?action=mzrui_login&name='+str1+'&pass='+str2); URL地址 地址错误
{ http_request = false; if (window.XMLHttpRequest) {
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');//修改header
}
} else if (window.ActiveXObject) { // 判定浏览器是 IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {//初始化xmlhttp组件
alert('Giving up :( Cannot create an XMLHTTP instance');
return false;
}
return http_request;
}function trim(str) //去2边空格函数
{
return str.replace(/(^\s*)|(\s*$)/g,"");
}function mzrui_login() //后台登录
{
var check_safe=document.forms["check_safe"];
var http_request=createXMLHTTP();
var str1=escape(check_safe.mzrui_name.value);
var str2=escape(check_safe.mzrui_pass.value);
if(str1 == "" || str2 == "")
{
alert("请输入用户名或密码");
}
else
{
var url=('ajax.php?action=mzrui_login&name='+str1+'&pass='+str2); // URL地址
http_request.onreadystatechange = function()
{
if(http_request.readyState == 4 && http_request.status == 200)
{
if(trim(http_request.responseText) == "error")
{
alert("对不起您输入的用户名和密码不对");
}
else
{
alert("对不起您输入的用户名和密码不对");
}
}
}
http_request.open('GET',url,true);
http_request.send(null);
}
}ajax.php<?php
include"../connect.php";
if($_REQUEST["action"]==mzrui_login) //ajax 后台登录
{
$str=unescape($_REQUEST["name"]);
$admin = mysql_query("select name,pass,jibie from mzrui_member where name='$str'");
$error = mysql_num_rows($admin);if($error <> '0')
{
while($check_name = mysql_fetch_array($admin))
{
if(md5($_REQUEST["pass"]) == $check_name[pass])
{
echo iconv("GB2312", "UTF-8",'验证成功');
}
}
}
else
{ echo 'error';}}IE 下面没有问题,firefox 控制台报url=('ajax.php?action=mzrui_login&name='+str1+'&pass='+str2); URL地址 地址错误
if($_REQUEST["action"]=="mzrui_login")试试
http_request.open('GET',url,true);
if(http_request.readyState == 4 && http_request.status == 200)
{
if(trim(http_request.responseText) == "error")
{
alert("对不起您输入的用户名和密码不对");
}
else
{
alert("对不起您输入的用户名和密码不对");
}
}
}
if(http_request.readyState == 4 && http_request.status == 200)
{
if(trim(http_request.responseText) == "error")
{
alert("对不起您输入的用户名和密码不对");
}
else
{
alert("对不起您输入的用户名和密码不对");
}
}
} http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
加这句试试 还不行 把GET换成POST试试
试试不行就改成下面的
var url=('ajax.php?action=mzrui_login'); // URL地址
var queryString="name="+str1+"&pass="+str2;
```
http_request.send(queryString);
<?php
include"../connect.php";
if($_REQUEST["action"]==mzrui_login) //ajax 后台登录
{
$str=unescape($_REQUEST["name"]);
$admin = mysql_query("select name,pass,jibie from mzrui_member where name='$str'");
$error = mysql_num_rows($admin); if($error <> '0')
{
while($check_name = mysql_fetch_array($admin))
{
if(md5($_REQUEST["pass"]) == $check_name[pass])
{
echo iconv("GB2312", "UTF-8",'验证成功');
}
}
}
else
{ echo 'error';} } 是不是AJAX 这里有问题,麻烦各位看看
http://hi.csdn.net/invite.php?u=2015213&c=810cffb1d3ab9cab