Maison >interface Web >js tutoriel >Implémentation de la vérification coulissante de connexion js
Cet article partage principalement avec vous l'implémentation de la vérification coulissante de connexion js (vous ne pouvez pas vous connecter sans glisser). Il a une bonne valeur de référence et j'espère qu'il sera utile à tout le monde. Suivons l'éditeur pour y jeter un œil, j'espère que cela pourra aider tout le monde.
Le jugement de js est basé sur la position du curseur. Il doit être jugé par un drapeau
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <% String basePath = request.getContextPath(); %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>登录</title> <link href="<%=basePath%>/res/css/bootstrap.min14ed.css?v=3.3.6" rel="external nofollow" rel="stylesheet"> <link href="<%=basePath%>/res/css/font-awesome.min93e3.css?v=4.4.0" rel="external nofollow" rel="stylesheet"> <link href="<%=basePath%>/res/css/animate.min.css" rel="external nofollow" rel="stylesheet"> <link href="<%=basePath%>/res/css/style.min862f.css?v=4.1.0" rel="external nofollow" rel="stylesheet"> <!--[if lt IE 9]> <meta http-equiv="refresh" content="0;ie.html" /> <![endif]--> <script> if (window.top !== window.self) { window.top.location = window.location; } </script> <style> * { margin: 0; padding: 0; } body { font: 12px/1.125 Microsoft YaHei; background: #fff; } ul, li { list-style: none; } a { text-decoration: none; } .ani { transition: all .3s; } .wrap { width: 300px; height:; text-align: center; margin: 150px auto; } .inner { padding: 15px; } .clearfix { overflow: hidden; _zoom: 1; } .none { display: none; } #slider { position: relative; background-color: #e8e8e8; width: 300px; height: 34px; line-height: 34px; text-align: center; } #slider .handler { position: absolute; top: 0px; left: 0px; width: 40px; height: 32px; border: 1px solid #ccc; cursor: move; } .handler_bg { background: #fff url("data:image/png;base64,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") no-repeat center; } .handler_ok_bg { background: #fff url("data:image/png;base64,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") no-repeat center; } #slider .drag_bg { background-color: #7ac23c; height: 34px; width: 0px; } #slider .drag_text { position: absolute; top: 0px; width: 300px; -moz-user-select: none; -webkit-user-select: none; user-select: none; -o-user-select: none; -ms-user-select: none; } .unselect { -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none; } .slide_ok { color: #fff; } </style> </head> <style> .btn-primary { background-color: #0000FF; } .btn-primary:hover { background-color: #0000FF; } .btn-primary { background-color: #0000FF; border-color: #0000FF; } </style> <body class="gray-bg"> <p class="middle-box text-center loginscreen animated fadeInDown"> <p> <h3 style="margin-top: 100px;">欢迎登录</h3> <form class="m-t" role="form" action="<%=basePath%>/login" method="POST" onsubmit="return login();"> <p class="form-group"> <input name="username" id="username" type="text" class="form-control" placeholder="用户名" required=""> </p> <p class="form-group"> <input type="password" name="password" id="password" class="form-control" placeholder="密码" required=""> </p> <p class="wrap" style="margin: 10px auto 10px"> <p id="slider"> <p class="drag_bg"></p> <p class="drag_text" onselectstart="return false;" unselectable="on">拖动滑块验证</p> <p class="handler handler_bg"></p> </p> </p> <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"> <button type="submit" style="background-color: #0000FF;" class="btn btn-primary block full-width m-b">登 录</button> <% if (request.getParameter("error") != null) { %> <span id="" style="color: red;">账号或者密码错误!</span> <% } %> <% if (request.getParameter("logout") != null) { %> <span>已经安全退出!</span> <% } %> <p class="text-muted text-center"> <a href="login.html#" rel="external nofollow" ><small>忘记密码了?</small></a> | <a href="<%=basePath%>/register" rel="external nofollow" >注册一个新账号</a> </p> </form> </p> </p> <script src="<%=basePath%>/res/js/jquery.min.js?v=2.1.4"></script> <script src="<%=basePath%>/res/js/bootstrap.min.js?v=3.3.6"></script> </body> <script type="text/javascript" src="<%=basePath%>/res/js/jquery-1.12.4.min.js"></script> <script type="text/javascript" src="<%=basePath%>/res/js/jquery.md5.js"></script> <script type="text/javascript"> $(function() { $('#username').val(); }); function login() { if($(".drag_bg").width()<260){ return false; } var password = $('#password').val(); password = $.md5(password); console.log(password); $('#password').val(password); return true; } </script> <script> (function(window, document, undefined) { var dog = {//声明一个命名空间,或者称为对象 $ : function(id) { return document.querySelector(id); }, on : function(el, type, handler) { el.addEventListener(type, handler, false); }, off : function(el, type, handler) { el.removeEventListener(type, handler, false); } }; //封装一个滑块类 function Slider() { var args = arguments[0]; for ( var i in args) { this[i] = args[i]; //一种快捷的初始化配置 } //直接进行函数初始化,表示生成实例对象就会执行初始化 this.init(); } Slider.prototype = { constructor : Slider, init : function() { this.getDom(); this.dragBar(this.handler); }, getDom : function() { this.slider = dog.$('#' + this.id); this.handler = dog.$('.handler'); this.bg = dog.$('.drag_bg'); }, dragBar : function(handler) { var that = this, startX = 0, lastX = 0, doc = document, width = this.slider.offsetWidth, max = width - handler.offsetWidth, drag = { down : function(e) { var e = e || window.event; that.slider.classList.add('unselect'); startX = e.clientX - handler.offsetLeft; console.log('startX: ' + startX + ' px'); dog.on(doc, 'mousemove', drag.move); dog.on(doc, 'mouseup', drag.up); return false; }, move : function(e) { var e = e || window.event; lastX = e.clientX - startX; lastX = Math.max(0, Math.min(max, lastX)); //这一步表示距离大于0小于max,巧妙写法 console.log('lastX: ' + lastX + ' px'); if (lastX >= max) { handler.classList.add('handler_ok_bg'); that.slider.classList.add('slide_ok'); dog.off(handler, 'mousedown', drag.down); drag.up(); } that.bg.style.width = lastX + 'px'; handler.style.left = lastX + 'px'; }, up : function(e) { var e = e || window.event; that.slider.classList.remove('unselect'); if (lastX < width) { that.bg.classList.add('ani'); handler.classList.add('ani'); that.bg.style.width = 0; handler.style.left = 0; setTimeout(function() { that.bg.classList.remove('ani'); handler.classList.remove('ani'); }, 300); } dog.off(doc, 'mousemove', drag.move); dog.off(doc, 'mouseup', drag.up); } }; dog.on(handler, 'mousedown', drag.down); } }; window.S = window.Slider = Slider; })(window, document); var defaults = { id : 'slider' }; new S(defaults); </script> </html>
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