js登录滑动验证的实现(不滑动无法登陆)

2024-05-06 16:41:45

字体：大中小

来源：转载

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js的判断这里是根据滑块的位置进行判断，应该是用一个flag判断

<%@ 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,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA3hpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNS1jMDIxIDc5LjE1NTc3MiwgMjAxNC8wMS8xMy0xOTo0NDowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wTU09Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9tbS8iIHhtbG5zOnN0UmVmPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvc1R5cGUvUmVzb3VyY2VSZWYjIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtcE1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDo0ZDhlNWY5My05NmI0LTRlNWQtOGFjYi03ZTY4OGYyMTU2ZTYiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NDlBRDI3NjVGMkQ2MTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NDlBRDI3NjRGMkQ2MTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTQgKE1hY2ludG9zaCkiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDphNWEzMWNhMC1hYmViLTQxNWEtYTEwZS04Y2U5NzRlN2Q4YTEiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6NGQ4ZTVmOTMtOTZiNC00ZTVkLThhY2ItN2U2ODhmMjE1NmU2Ii8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+k+sHwwAAASZJREFUeNpi/P//PwMyKD8uZw+kUoDYEYgloMIvgHg/EM/ptHx0EFk9I8wAoEZ+IDUPiIMY8IN1QJwENOgj3ACo5gNAbMBAHLgAxA4gQ5igAnNJ0MwAVTsX7IKyY7L2UNuJAf+AmAmJ78AEDTBiwGYg5gbifCSxFCZoaBMCy4A4GOjnH0D6DpK4IxNSVIHAfSDOAeLraJrjgJp/AwPbHMhejiQnwYRmUzNQ4VQgDQqXK0ia/0I17wJiPmQNTNBEAgMlQIWiQA2vgWw7QppBekGxsAjIiEUSBNnsBDWEAY9mEFgMMgBk00E0iZtA7AHEctDQ58MRuA6wlLgGFMoMpIG1QFeGwAIxGZo8GUhIysmwQGSAZgwHaEZhICIzOaBkJkqyM0CAAQDGx279Jf50AAAAAABJRU5ErkJggg==") 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"> <div class="middle-box text-center loginscreen animated fadeInDown"> <div>  <h3 style="margin-top: 100px;">欢迎登录</h3>  <form class="m-t" role="form" action="<%=basePath%>/login"  method="POST" onsubmit="return login();">  <div class="form-group">   <input name="username" id="username" type="text"   class="form-control" placeholder="用户名" required="">  </div>  <div class="form-group">   <input type="password" name="password" id="password"   class="form-control" placeholder="密码" required="">  </div>    <div class="wrap" style="margin: 10px auto 10px">   <div id="slider">   <div class="drag_bg"></div>   <div class="drag_text" onselectstart="return false;"    unselectable="on">拖动滑块验证</div>   <div class="handler handler_bg"></div>   </div>  </div>  <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> </div> </div> <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>

以上这篇js登录滑动验证的实现(不滑动无法登陆)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持VeVb武林网。

注：相关教程知识阅读请移步到JavaScript/Ajax教程频道。

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