编程 Javascript

原生js验证简洁注册登录页面

Posted in Javascript onDecember 17, 2016

序

一个以js验证表单的简洁的注册登录页面，不多说直接上图

效果

原生js验证简洁注册登录页面

主要文件

原生js验证简洁注册登录页面

完整代码

1 sign_up.html 注册表单

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>sign-up</title>
 <link rel="stylesheet" href="css/common_form.css">
</head>
<body>
 <header>
 <div class="header-line"></div>
 </header>
 <div class="content">
 <img class="content-logo" src="img/form_logo.png" alt="logo">
 <h1 class="content-title">创建账户</h1>
 <div class="content-form">
 <form method="post" action="" onsubmit="return submitTest()">
 <div id="change_margin_1">
  <input class="user" type="text" name="user" placeholder="请输入用户名" onblur="oBlur_1()" onfocus="oFocus_1()">
 </div>
 <!-- input的value为空时弹出提醒 -->
 <p id="remind_1"></p>
 <div id="change_margin_2">
  <input class="password" type="password" name="password" placeholder="请输入密码" onblur="oBlur_2()" onfocus="oFocus_2()">
 </div>
 <!-- input的value为空时弹出提醒 -->
 <p id="remind_2"></p>
 <div id="change_margin_3">
  <input class="content-form-signup" type="submit" value="创建账户">
 </div>
 </form>
 </div>
 <div class="content-login-description">已经拥有账户？</div>
 <div><a class="content-login-link" href="log_in.html">登录</a></div>
 </div>
<script src="js/common_form_test.js"></script>
</body>
</html>

2 log_in.html 登录表单

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>log-in</title>
 <link rel="stylesheet" href="css/common_form.css">
</head>
<body>
 <header>
 <div class="header-line"></div>
 </header>
 <div class="content">
 <img class="content-logo" src="img/form_logo.png" alt="logo">
 <h1 class="content-title">登录</h1>
 <div class="content-form">
 <form method="post" action="" onsubmit="return submitTest()">
 <div id="change_margin_1">
  <input class="user" type="text" name="user" placeholder="请输入用户名" onblur="oBlur_1()" onfocus="oFocus_1()">
 </div>
 <!-- input的value为空时弹出提醒 -->
 <p id="remind_1"></p>
 <div id="change_margin_2">
  <input class="password" type="password" name="password" placeholder="请输入密码" onblur="oBlur_2()" onfocus="oFocus_2()">
 </div>
 <!-- input的value为空时弹出提醒 -->
 <p id="remind_2"></p>
 <div id="change_margin_3">
  <input class="content-form-signup" type="submit" value="登录">
 </div>
 </form>
 </div>
 <div class="content-login-description">没有账户？</div>
 <div><a class="content-login-link" href="sign_up.html">注册</a></div>
 </div>
<script src="js/common_form_test.js"></script>
</body>
</html>

3 common_form.css 表单css样式

/*重置样式*/
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr,
acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub
, sup, tt, var, b, u, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody,
tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header,
hgroup, menu, nav, output, section, summary, time, mark, audio, video {
 margin: 0;
 padding: 0;
 border: 0
}
body {
 font-family: "微软雅黑";
 background: #f4f4f4;
}

/*header*/
.header-line {
 width: 100%;
 height: 4px;
 background: #0dbfdd;
}

/*content*/
.content {
 width: 28%;
 margin: 70px auto 0;
 text-align: center;
}
.content-logo {
 width: 80px;
 height: 80px;
}
.content-title {
 margin: 10px 0 25px 0;
 font-size: 2em;
 color: #747474;
 font-weight: normal;
}
.content-form {
 width: 100%;
 padding: 36px 0 20px;
 border: 1px solid #dedede;
 text-align: center;
 background: #fff;
}
.content-form form div {
 margin-bottom: 19px;
}
.content-form form .user,
.content-form form .password {
 width: 77%;
 height: 20px;
 padding: 10px;
 font-size: 1em;
 border: 1px solid #cccbcb;
 border-radius: 7px;
 letter-spacing: 1px;
}
.content-form form input:focus {
 outline: none;
 -webkit-box-shadow: 0 0 5px #0dbfdd;
 box-shadow: 0 0 5px #0dbfdd;
}
.content-form-signup {
 width: 84%;
 margin: 0 auto;
 padding: 10px;
 border: 1px solid #cccbcb;
 border-radius: 7px;
 font-size: 1em;
 font-weight: bold;
 color: #fff;
 background: #0dbfdd;
 cursor: pointer;
}
.content-form-signup:hover {
 background: #0cb3d0;
}
.content-form-signup:focus {
 outline: none;
 border: 1px solid #0cb3d0;
}
.content-login-description {
 margin-top: 25px;
 line-height: 1.63636364;
 color: #747474;
 font-size: .91666667rem;
}
.content-login-link {
 font-size: 16px;
 color: #0dbfdd;
 text-decoration: none;
}

/*输入框无内容便提示*/
#remind_1,
#remind_2 {
 width: 76%;
 margin: 0 auto 2px;
 text-align: left;
 font-size: .2em;
 color: #f00;
}

4 common_form_test.js 注册登录脚本

// 全局变量a和b，分别获取用户框和密码框的value值
var a = document.getElementsByTagName("input")[0].value;
var b = document.getElementsByTagName("input")[1].value;

//用户框失去焦点后验证value值
function oBlur_1() {
 if (!a) { //用户框value值为空
 document.getElementById("remind_1").innerHTML = "请输入用户名！";
 document.getElementById("change_margin_1").style.marginBottom = 1 + "px";
 } else { //用户框value值不为空
 document.getElementById("remind_1").innerHTML = "";
 document.getElementById("change_margin_1").style.marginBottom = 19 + "px";
 }
}

//密码框失去焦点后验证value值
function oBlur_2() {
 if (!b) { //密码框value值为空
 document.getElementById("remind_2").innerHTML = "请输入密码！";
 document.getElementById("change_margin_2").style.marginBottom = 1 + "px";
 document.getElementById("change_margin_3").style.marginTop = 2 + "px";
 } else { //密码框value值不为空
 document.getElementById("remind_2").innerHTML = "";
 document.getElementById("change_margin_2").style.marginBottom = 19 + "px";
 document.getElementById("change_margin_3").style.marginTop = 19 + "px";
 }
}

//用户框获得焦点的隐藏提醒
function oFocus_1() {
 document.getElementById("remind_1").innerHTML = "";
 document.getElementById("change_margin_1").style.marginBottom = 19 + "px";
}

//密码框获得焦点的隐藏提醒
function oFocus_2() {
 document.getElementById("remind_2").innerHTML = "";
 document.getElementById("change_margin_2").style.marginBottom = 19 + "px";
 document.getElementById("change_margin_3").style.marginTop = 19 + "px";
}

//若输入框为空，阻止表单的提交
function submitTest() {
 if (!a && !b) { //用户框value值和密码框value值都为空
 document.getElementById("remind_1").innerHTML = "请输入用户名！";
 document.getElementById("change_margin_1").style.marginBottom = 1 + "px";
 document.getElementById("remind_2").innerHTML = "请输入密码！";
 document.getElementById("change_margin_2").style.marginBottom = 1 + "px";
 document.getElementById("change_margin_3").style.marginTop = 2 + "px";
 return false; //只有返回true表单才会提交
 } else if (!a) { //用户框value值为空
 document.getElementById("remind_1").innerHTML = "请输入用户名！";
 document.getElementById("change_margin_1").style.marginBottom = 1 + "px";
 return false;
 } else if (!b) { //密码框value值为空
 document.getElementById("remind_2").innerHTML = "请输入密码！";
 document.getElementById("change_margin_2").style.marginBottom = 1 + "px";
 document.getElementById("change_margin_3").style.marginTop = 2 + "px";
 return false;
 }
}

5 form_logo.png Logo照片

原生js验证简洁注册登录页面

到这里，一个简单的注册登录页面就完成了，后面会持续更新，使之更强大。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持三水点靠木。

原生js验证简洁注册登录页面

- Author -

stormchou

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

Javascript 相关文章推荐

CSS+jQuery实现的一个放大缩小动画效果

Sep 24 Javascript

怎么判断js脚本加载完成

Feb 28 Javascript

浅析js预加载/延迟加载

Sep 25 Javascript

深入理解javascript变量声明

Nov 20 Javascript

JS中prototype的用法实例分析

Mar 19 Javascript

JS模拟并美化的表单控件完整实例

Aug 19 Javascript

Extjs实现下拉菜单效果

Apr 01 Javascript

JavaSctit 利用FileReader和滤镜上传图片预览功能

Sep 05 Javascript

Vue 实现树形视图数据功能

May 07 Javascript

JS中的算法与数据结构之列表(List)实例详解

Aug 16 Javascript

浅析我对JS延迟异步脚本的思考

Oct 12 Javascript

vue+elementui通用弹窗的实现(新增+编辑)

Jan 07 Vue.js

javascript 数组去重复(在线去重工具)

Dec 17 #Javascript

jQuery Validate验证框架详解(推荐)

Dec 17 #Javascript

Bootstrap CSS组件之导航条(navbar)

Dec 17 #Javascript

Bootstrap CSS组件之导航(nav)

Dec 17 #Javascript

Bootstrap CSS组件之面包屑导航(breadcrumb)

Dec 17 #Javascript

Bootstrap CSS组件之分页(pagination)和翻页(pager)

Dec 17 #Javascript

Bootstrap CSS组件之大屏幕展播

Dec 17 #Javascript