表单页面展示
FormCheck.jsp
< html lang="en">
<head> <meta charset="UTF-8"> <title>注册页面表单校验
title> <link rel="stylesheet" href="../css/register.css">
head> <body> <div class="reg_back"> <div class="reg_left"> <p>新用户注册
p> <p>USER REGISTER
p>
div> <div class="reg_center"> <div class="reg_form"> <form action="#" method="post" 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" placeholder="请输入用户名(英文字符或数字)" id="username"> <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" placeholder="请输入密码(长度在6~12位之间)" id="password"> <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" placeholder="请输入Email" id="Email"> <span id="s_email" class="error">
span>
td>
tr> <tr> <td class="td_left"><label for="rename">姓名
label>
td> <td class="td_right"><input type="text" name="rename" placeholder="请输入真实姓名(中文姓名)" id="rename"> <span id="s_rename" class="error">
span>
td>
tr> <tr> <td class="td_left"><label for="Telphone">手机号
label>
td> <td class="td_right"><input type="text" name="telphone" placeholder="请输入您的手机号" id="Telphone"> <span id="s_telphone" class="error">
span>
td>
tr> <tr> <td class="td_left"><label>性别
label>
td> <td class="td_right"><input type="radio" name="gender" value="male" 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">
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"> <img src="../image/10.png" id="img_check">
td>
tr> <tr> <td colspan="2" id="td_sub"><input type="submit" value="注册" id="btn_sub">
td>
tr>
table>
form>
div>
div> <div class="reg_right"> <p>已有账号?<a href="#">立即登录
a>
p>
div>
div> <script src="../js2/FormCheck.js">
script>
body>
CSS样式
Register.css
* {
margin: 0px; padding: 0px; box-sizing: border-box; } body {
background: url("../image/9.jpg") no-repeat center; /*设置图片适应整个页面*/ background-size: 100% 100%; background-attachment:fixed; } .reg_back {
/*设置整体的尺寸、背景色、边距等*/ width: 900px; height: 400px; border: 8px solid #eeeeee; background: white; margin: auto; margin-top: 20px; } .reg_left {
/*设置左浮动和外边距*/ float: left; margin: 10px; } .reg_left > p:first-child {
/*设置段落(新用户注册)颜色和字体大小*/ color: yellow; font-size: 20px; } .reg_left > p:last-child {
/*设置段落(USER REGISTER)颜色和字体大小*/ color: #A6A6A6; font-size: 20px; } .reg_center {
/*设置中间的各种输入框等*/ float: left; width: 500px; } .reg_right {
/*设置右边段落浮动和外间距*/ float: right; margin: 30px; } .reg_right > p:first-child {
font-size: 15px; } .reg_right p a {
/*设置超链接(立即登录)颜色*/ color: crimson; } .td_left {
/*设置表单中字体对齐方式和宽度、高度*/ width: 100px; text-align: right; height: 40px; } .td_right {
/*设置输入框内边距*/ padding-left: 40px; } #username ,#password,#Email, #rename ,#Telphone,#Birthday,#checkcode{
/*设置输入框大小和边框*/ width: 220px; height: 30px; border: 1px solid #A4A4A4; /* 设置边框为圆角 */ border-radius: 8px; padding-left: 10px; } #checkcode{
/*验证码宽度*/ width: 120px; } #img_check{
/*验证码图片*/ vertical-align: middle; height: 30px; width: 95px; } #btn_sub{
/*注册按钮*/ background: lime; width: 100px; height: 40px; border: 1px solid lime ; } .error{
color:red; } #td_sub{
padding-left: 150px; }
JavaScript代码
FormCheck.js
window.onload = function () {
//给表单绑定onsubmit事件 document.getElementById("form").onsubmit = function () {
return checkUsername() && checkPassword() &&checkEmail() && checkRename() && checkTelphone(); } //给用户名和密码框、Email、姓名、手机号分别绑定离焦事件 document.getElementById("username").onblur = checkUsername; document.getElementById("password").onblur = checkPassword; document.getElementById("Email").onblur = checkEmail; document.getElementById("rename").onblur = checkRename; document.getElementById("Telphone").onblur = checkTelphone; } //校验用户名 function checkUsername() {
//获取用户名的值 var username = document.getElementById("username").value; //定义正则表达式 var reg_username = /^([a-zA-Z0-9_-])/; //判断值是否符合正则表达式的规则 var flag = reg_username.test(username); //提示信息 var s_username = document.getElementById("s_username"); if (flag) {
//提示绿色对勾 s_username.innerHTML = "
"; } else {
//提示红色错误信息 s_username.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{6,12}$/; //3.判断值是否符合正则的规则 var flag = reg_password.test(password); //4.提示信息 var s_password = document.getElementById("s_password"); if(flag){
//提示绿色对勾 s_password.innerHTML = "
"; }else{
//提示红色错误信息 s_password.innerHTML = "密码格式有误"; } return flag; } //校验Email function checkEmail(){
//1.获取Email的值 var email = document.getElementById("Email").value; //2.定义正则表达式 var reg_email = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; //3.判断值是否符合正则的规则 var flag = reg_email.test(email); //4.提示信息 var s_email = document.getElementById("s_email"); if(flag){
//提示绿色对勾 s_email.innerHTML = "
"; }else{
//提示红色错误信息 s_email.innerHTML = "Email格式有误"; } return flag; } //校验真实姓名 function checkRename(){
//1.获取真实姓名的值 var rename = document.getElementById("rename").value; //2.定义正则表达式 var reg_rename = /^[\u4e00-\u9fa5]{2,4}$/; //3.判断值是否符合正则的规则 var flag = reg_rename.test(rename); //4.提示信息 var s_rename = document.getElementById("s_rename"); if(flag){
//提示绿色对勾 s_rename.innerHTML = "
"; }else{
//提示红色错误信息 s_rename.innerHTML = "真实姓名输入有误"; } return flag; } //校验手机号 function checkTelphone(){
//1.获取手机号的值 var telphone = document.getElementById("Telphone").value; //2.定义正则表达式 var reg_telphone = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/; //3.判断值是否符合正则的规则 var flag = reg_telphone.test(telphone); //4.提示信息 var s_telphone = document.getElementById("s_telphone"); if(flag){
//提示绿色对勾 s_telphone.innerHTML = "
"; }else{
//提示红色错误信息 s_telphone.innerHTML = "手机号输入有误"; } return flag; }
效果图展示

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