Vanadium表单验证的ajax用法?
在网上找了一个表单验证的jquery
http://mrthink.net/jquery-form-valida...
这个效果很不错,用法也很简单,支持Ajax
但是我不懂它这个怎么用Ajax PHP验证用户名是否存在
求帮助,本人对Ajax不是很熟。
回复内容:
在网上找了一个表单验证的jquery
http://mrthink.net/jquery-form-valida...
这个效果很不错,用法也很简单,支持Ajax
但是我不懂它这个怎么用Ajax PHP验证用户名是否存在
求帮助,本人对Ajax不是很熟。
jQuery的ajax 验证用户名的例子
//验证用户名 js 方法 uname::输入的用户名 function ajax_check_uname(uname){ var url = '/check/uname.php';//这里是你的php $.post(url,{uname:uname},function(data){ if('success'==data){ return true;//代表验证成功! }else{ //验证失败怎么处理 自己去研究吧 } }); } //php部分 if(isset($_POST['uname'])){ //安全数据处理 #TODO //数据库查询,如果不存在 exit('success'); //如果存在,返回你需要的错误信息 //也许你用到 json格式 具体的去研究吧 }

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