我要评论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,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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>
<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移动技术网。
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