jquery ajax调php

 

jquery ajax方法:  
jQuery.ajax({  
           type: "POST",  
           url: "/fvim/v_ajax.php",  
           data: "action=getUmsg&u="+winduid,  
           success: function(r_msg){  
                            var flag = jQuery(r_msg).find("flag").text();  
                            if(flag == "true"){  
                                var uid = jQuery(r_msg).find("uid").text();       
                           }  
                        }  
                }); 

php后台处理:

 

header('Content-Type: text/xml');  
echo "<?xml version='1.0' encoding='gbk'?>";  
echo "<response>";  
echo "<flag>true</flag>";  
echo "</response>";