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php+jquery+ajax无刷新验证用户名,该怎么处理

WBOY
WBOYOriginal
2016-06-13 10:22:15683browse

php+jquery+ajax无刷新验证用户名
php+jquery+ajax无刷新验证用户名是否已存在,要一个尽量短的例子。

------解决方案--------------------
今天不忙,玩玩

HTML code
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script><script type="text/javascript">$(function(){     $("#getjson").bind("click",function(){        $.ajax({              type: "POST",               url: "/index.php",               data: "name="+$("#username").val(),               success: function(msg){                     alert(msg);               }        });    });})</script><input type="text" id="username"><button id="getjson">获取</button><div class="clear">
                 
              
              
        
            </div>
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