一直显示检测失败，请重试
<!DOCTYPE html>
<html>
<head>
<title>Register</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
<div class="register">
<p class="title" id="title">
<span>登 录</span>
<span class="current">注 册</span>
</p>
<div class="form">
<div>
<span>+86</span>
<input type="text" name="user" id="user" placeholder="请输入注册手机号" autocomplete="off"/>
<i id="user_icon"></i>
<p class="info" id="user_info"></p>
</div>
<div>
<input type="password" name="pwd" id="pwd" placeholder="请设置密码">
<i id="pwd_icon"></i>
<p class="info" id="pwd_info"></p>
</div>
<p class="button">
<a href="javascript:void(0)" id="sigup-btn" class="btn show">注 册</a>
<a href="javascript:void(0)" id="login-btn" class="btn">登 录</a>
</p>
</div>
</div>
<script type="text/javascript" src="js/ajax.js"></script>
<script type="text/javascript">
var user = document.getElementById("user"),
pwd = document.getElementById("pwd"),
sigup = document.getElementById("sigup-btn"),
login = document.getElementById("login-btn"),
titles = document.getElementById("title").getElementsByTagName("span");
userInfo = document.getElementById("user_info"),
userIcon = document.getElementById("user_icon")
pwdInfo = document.getElementById("pwd_info"),
pwdIcon = document.getElementById("pwd_icon"),
userReg = /^1[3578]\d{9}$/,
pwdReg = /^\w{5,12}$/,
isRepeat = false; // 记录用户名是否被占用
// 检测用户
function checkUser(){
var userVal = user.value;
// 验证手机号是否有效
if(!userReg.test(userVal)){
userInfo.innerHTML = '手机号码无效！';
userIcon.className = 'no';
}else{
userInfo.innerHTML = '';
userIcon.className = '';
// 发起请求
$.ajax({
url:'http://localhost/register/server/isUserRepeat.php',
data:{username:userVal},
success:function(data){
if(data.code == 1){
userIcon.className = 'ok';
isRepeat = false;
}else if(data.code == 0){
userIcon.className = 'no';
isRepeat = true;
userInfo.innerHTML = data.msg;
}else{
userInfo.innerHTML = '检测失败，请重试...';
}
}
})
}
}
// 检测密码
function checkPwd(){
var pwdVal = pwd.value;
if(!pwdReg.test(pwdVal)){
pwdInfo.innerHTML = '请输入5到12位的字母、数字及下划线';
pwdIcon.className = 'no';
}else{
pwdInfo.innerHTML = '';
pwdIcon.className = 'ok';
}
}
// 注册
function register(){
var user_val = user.value,
pwd_val = pwd.value;
// 如果手机号有效且没有被占用，同时密码合法，方可注册
if(userReg.test(user_val) && pwdReg.test(pwd_val) && !isRepeat){
// 发起请求，实现注册
$.ajax({
url:"http://localhost/register/server/register.php",
method:"post",
data:{username:user_val,userpwd:pwd_val},
success:function(data){
alert("注册成功，请登录！");
// 调用显示登录界面
showLogin();
// 清空文本框
user.value = "";
pwd.value = "";
},
error:function(){
pwdInfo.innerHTML = '注册失败，请重试！';
}
})
}
}
// 显示登录
function showLogin(){
// 载入登录界面，登录高亮显示
titles[0].className = "current";
titles[1].className = "";
login.className = "show";
sigup.className = "";
}
// 显示注册
function showSigup(){
// 载入注册界面，注册高亮显示
titles[1].className = "current";
titles[0].className = "";
login.className = "";
sigup.className = "show";
}
// 绑定事件，检测用户的有效性及是否注册过
user.addEventListener("blur",checkUser,false);
// 绑定事件，检测密码的有效性
pwd.addEventListener("blur",checkPwd,false);
// 注册
sigup.addEventListener("click",register,false);
// 登录高亮
titles[0].addEventListener("click",showLogin,false);
// 注册高亮
titles[1].addEventListener("click",showSigup,false);
</script>
</body>
</html>var $ = {
ajax:function(options){
var xhr = null, // XMLHttpRequest对象
url = options.url, // url地址
method = options.method || 'get', // 传输方式，默认为get
async = typeof(options.async) === "undefined"?true:options.async,
data = options.data || null, // 参数
params = '',
callback = options.success, // ajax请求成功的回调函数
error = options.error;
// 将data的对象字面量的形式转换为字符串形式
if(data){
for(var i in data){
params += i + '=' + data[i] + '&';
}
params = params.replace(/&$/,"");
}
// 根据method的值改变url
if(method === "get"){
url += '?'+params;
}
if(typeof XMLHttpRequest != "undefined"){
xhr = new XMLHttpRequest();
}else if(typeof ActiveXObject != "undefined"){
// 将所有可能出现的ActiveXObject版本放在一个数组中
var xhrArr = ['Microsoft.XMLHTTP','MSXML2.XMLHTTP.6.0','MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0','MSXML2.XMLHTTP.2.0'];
// 遍历创建XMLHttpRequest对象
var len = xhrArr.length;
for(var i = 0;i<len;i++){
try{
// 创建XMLHttpRequest对象
xhr = new ActiveXObject(xhrArr[i]);
break;
}
catch(ex){
}
}
}else{
throw new Error('No XHR object availabel.');
}
xhr.onreadystatechange = function(){
if(xhr.readyState === 4){
if((xhr.status >=200 && xhr.status <300) || xhr.status === 304){
callback && callback(JSON.parse(xhr.responseText))
}else{
error && error();
}
}
}
// 创建发送请求
xhr.open(method,url,async);
xhr.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xhr.send(params);
},
jsonp:function(){
// 跨域
}
}1
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