<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>注册页面</title> <style> * { margin: 0px; padding: 0px; box-sizing: border-box; } body { background: url("img/register_bg.png") no-repeat center; padding-top: 25px; } .rg_layout { width: 900px; height: 500px; border: 8px solid #EEEEEE; background-color: white; /*让div水平居中*/ margin: auto; } .rg_left { /*border: 1px solid red;*/ float: left; margin: 15px; } .rg_left > p:first-child { color: #FFD026; font-size: 20px; } .rg_left > p:last-child { color: #A6A6A6; font-size: 20px; } .rg_center { float: left; /* border: 1px solid red;*/ } .rg_right { /*border: 1px solid red;*/ float: right; margin: 15px; } .rg_right > p:first-child { font-size: 15px; } .rg_right p a { color: pink; } .td_left { width: 100px; text-align: right; height: 45px; } .td_right { padding-left: 50px; } #username, #password, #email, #name, #tel, #birthday, #checkcode { width: 251px; height: 32px; border: 1px solid #A6A6A6; /*设置边框圆角*/ border-radius: 5px; padding-left: 10px; } #checkcode { width: 110px; } #img_check { height: 32px; vertical-align: middle; } #btn_sub { width: 150px; height: 40px; background-color: #FFD026; border: 1px solid #FFD026; } .error { color: red; } #td_sub { padding-left: 150px; } </style> <script> /* * 分析： * 1、给表单绑定onsubmit事件，监听器找那个判断每一方法校验的结果 * 如果都为true，则监听器方法返回true； * 如果有一个为false，则监听器返回false； * 2、定义一些方法分别校验各个表单项 * 3、给每个表单项绑定onblur事件 * * */ window.onload = function () { // 1、给表单绑定onsubmit事件 document.getElementById("form").onsubmit = function () { // 调用用户校验方法 // 调用密码验证方法 return checkUsername() && checkPassword(); } // 给用户名和密码绑定离焦事件 document.getElementById("username").onblur= checkUsername; document.getElementById("password").onblur= checkPassword; } // 校验用户名 function checkUsername() { // 1、获取用户名的值 var username = document.getElementById("username").value; // 2、定义正则表达式 var reg_username = /^\w{6,10}$/; // 4、提示信息 var msg = document.getElementById("s_username"); // 3、判断值是否符合正则表达式 var flag = reg_username.test(username); if (flag) { msg.innerHTML = "<img src='img/gou.png' width='35px' height='25px'>"; } else { msg.innerHTML = "用户名格式有误"; } return flag; } // 校验密码 function checkPassword() { // 1、获取密码的值 var password = document.getElementById("password").value; // 2、定义正则表达式 var reg_password = /^\w{6,10}$/; // 4、提示信息 var msg = document.getElementById("s_password"); // 3、判断值是否符合正则表达式 var flag = reg_password.test(password); if (flag) { msg.innerHTML = "<img src='img/gou.png' width='35px' height='25px'>"; } else { msg.innerHTML = "密码格式有误"; } return flag; } </script></head><body><div class="rg_layout"> <div class="rg_left"> <p>新用户注册</p> <p>USER REGISTER</p> </div> <div class="rg_center"> <div class="rg_form"> <!--定义表单 form--> <form action="#" method="get" id="form"> <table> <tr> <td class="td_left"><label for="username">用户名</label></td> <td class="td_right"> <input type="text" name="username" id="username" placeholder="请输入用户名"> <span id="s_username" class="error"></span> </td> </tr> <tr> <td class="td_left"><label for="password">密码</label></td> <td class="td_right"> <input type="password" name="password" id="password" placeholder="请输入密码"> <span id="s_password" class="error"></span> </td> </tr> <tr> <td class="td_left"><label for="email">Email</label></td> <td class="td_right"><input type="email" name="email" id="email" placeholder="请输入邮箱"></td> </tr> <tr> <td class="td_left"><label for="name">姓名</label></td> <td class="td_right"><input type="text" name="name" id="name" placeholder="请输入姓名"></td> </tr> <tr> <td class="td_left"><label for="tel">手机号</label></td> <td class="td_right"><input type="text" name="tel" id="tel" placeholder="请输入手机号"></td> </tr> <tr> <td class="td_left"><label>性别</label></td> <td class="td_right"> <input type="radio" name="gender" value="male" checked="checked"> 男 <input type="radio" name="gender" value="female"> 女 </td> </tr> <tr> <td class="td_left"><label for="birthday">出生日期</label></td> <td class="td_right"><input type="date" name="birthday" id="birthday" placeholder="请输入出生日期"> </td> </tr> <tr> <td class="td_left"><label for="checkcode">验证码</label></td> <td class="td_right"><input type="text" name="checkcode" id="checkcode" placeholder="请输入验证码"> <img id="img_check" src="img/verify_code.jpg"> </td> </tr> <tr> <td colspan="2" id="td_sub"><input type="submit" id="btn_sub" value="注册"></td> </tr> </table> </form> </div> </div> <div class="rg_right"> <p>已有账号?<a href="#">立即登录</a></p> </div></div></body></html>
来源：https://www.cnblogs.com/newcityboy/p/11408099.html