一款简单的无刷新验证手机号是否注册：
客户端实现：
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<!DOCTYPE html><html><head><meta charset="utf-8"><style>#btn{width:80px;height:30px;}</style></head><body><form> 请输入手机号：<input type="text" id="name" name="name"><input type="button" onclick="show()" id="btn" value="验证"></form><p id="txt"></p><script>var usernamereg = /^1(3|4|5|7|8)\d{9}$/;function show(){ var name=document.getElementById("name").value;var xmlHttp=new XMLHttpRequest();var url="post.php";xmlHttp.onreadystatechange=function stateChanged() { if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ if(!usernamereg.test(name)){ document.getElementById("txt").innerHTML="手机号有误"; }else{ document.getElementById("txt").innerHTML=xmlHttp.responseText } }}xmlHttp.open("POST",url,true);xmlHttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");xmlHttp.send("name=" + name);} </script></body></html> |
服务端实现：
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<?php$con = mysqli_connect('localhost', 'username', 'password');if(! $con ){ die('连接失败: ' . mysqli_error($con));}mysqli_select_db($con,'bdm256727651_db');$username = "select userName FROM Forms where userName = '$_POST[name]' ";$result = mysqli_query($con,$username );$rows=mysqli_num_rows($result);if($rows){ echo "手机号已注册" ; exit;}else{ echo "手机号可用"; }mysqli_close($con)?> |
以上这篇ajax+php实现无刷新验证手机号的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：http://blog.csdn.net/hjw453321854/article/details/78805769
