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<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
<input type="button" onclick="test();" value="Ìá½»"/>
<script type="text/javascript">
    function test(){
            var valid = {
                username: 'taoge',
                password: '123456'
            };
            $.ajax({
                url: 'valid.php',
                type: 'get',
                data: valid,   // ·¢Ë͵ÄÊý¾Ý
                dataType: 'json', // ·¢ËÍ/½ÓÊÕÊý¾ÝµÄ¸ñʽ
                success: function(data){
                    alert(""+data.username);
                },
                error: function(data){
                    alert("xxx"+data);
                }
            });
    }
</script>
===========================
valid.php


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http://blog.csdn.net/zhuzhao/archive/2009/05/12/4174684.aspx ......

ÓÃapache_2.2ºÍphp 5.2´î½¨PHP»·¾³

ÊÊÓÃÓÚ×îеİ汾PHP-5.2.11ºÍAPACHE2.2
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PHP£ºhttp://cn2.php.net/get/php-5.2.11-Win32.zip/from/a/mirror
PHPÖ±½ÓÏÂÔØhttp://cn.php.net/distributions/php-5.2.11-Win32.zip
APACHE http://labs.xiaonei.com/apache-mirror/httpd/httpd-2.2.14-win32-src.zip
1¡¢½«php½âѹµ½C:\phpĿ¼ÏÂ
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PHP°²×°²½Ö裨ÒÔapache 2 + php5.3ΪÀý£©

1.     
Download Apache for windows MSI
file, and run it
By
default, port is 80, root dir is %apache_dir%/htdocs. You can update the
settings in conf/httpd.conf file
2.  If Apache Service can't be installed in "Control Panel > Admin Tools > Services&quo ......

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php ÑéÖ¤Âë

checkcode.php
====================
<?php
session_start();
$funcs = array('imagecreatetruecolor','imagecolorallocate','imagefill','imageline','imagedestroy','imagecolorallocatealpha','imageellipse','imagepng');
if(!function_exists('ob_gzhandler'))
    ob_clean();
 //crea ......
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