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js的判斷這里是根據滑塊的位置進行判斷，應該是用一個flag判斷
<%@ 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>登錄</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">
<div class="middle-box text-center loginscreen animated fadeInDown">
<div>
<h4 >歡迎登錄</h4>
<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="用戶名" required="">
</div>
<div class="form-group">
<input type="password" name="password" id="password"
class="form-control" placeholder="密碼" required="">
</div>
<div class="wrap" >
<div id="slider">
<div class="drag_bg"></div>
<div class="drag_text" onselectstart="return false;"
unselectable="on">拖動滑塊驗證</div>
<div class="handler handler_bg"></div>
</div>
</div>
<input type="hidden" name="${_csrf.parameterName}"
value="${_csrf.token}">
<button type="submit" class="btn btn-primary block full-width m-b">登
錄</button>
<%
if (request.getParameter("error") != null) {
%>
<span id="" >賬號或者密碼錯誤！</span>
<%
}
%>
<%
if (request.getParameter("logout") != null) {
%>
<span>已經安全退出！</span>
<%
}
%>
<p class="text-muted text-center">
<a href="login.html#" rel="external nofollow" ><small>忘記密碼了？</small></a> | <a
href="<%=basePath%>/register" rel="external nofollow" >注冊一個新賬號</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 = {//聲明一個命名空間，或者稱為對象
$ : 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);
}
};
//封裝一個滑塊類
function Slider() {
var args = arguments[0];
for ( var i in args) {
this[i] = args[i]; //一種快捷的初始化配置
}
//直接進行函數初始化，表示生成實例對象就會執行初始化
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)); //這一步表示距離大于0小于max，巧妙寫法
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>
以上這篇js登錄滑動驗證的實現(不滑動無法登陸)就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支持億速云。
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