<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<!-- saved from url=(0051)http://demo1.mycodes.net/denglu/HTML5_yonghudenglu/ -->
<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  
  <title>后台管理</title>
  <meta name="description" content="particles.js is a lightweight JavaScript library for creating particles.">
  <meta name="author" content="Vincent Garreau">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <link rel="stylesheet" media="screen" href="/lnn/resource/admin/login/css/style.css">
  <link rel="stylesheet" type="text/css" href="/lnn/resource/admin/login/css/reset.css">
<body>

<div id="particles-js">
		<div class="login" style="display: block;">
			<div class="login-top">
				登录
			</div>
			<div class="login-center clearfix">
				<div class="login-center-img"><img src="/lnn/resource/admin/login/images/name.png"></div>
				<div class="login-center-input">
					<input type="text" name="username" id="username" placeholder="请输入您的用户名" onfocus="this.placeholder=&#39;&#39;" onblur="this.placeholder=&#39;请输入您的用户名&#39;">
					<div class="login-center-input-text">用户名</div>
				</div>
			</div>
			<div class="login-center clearfix">
				<div class="login-center-img"><img src="/lnn/resource/admin/login/images/password.png"></div>
				<div class="login-center-input">
					<input type="password" name="password" id="password" placeholder="请输入您的密码" onfocus="this.placeholder=&#39;&#39;" onblur="this.placeholder=&#39;请输入您的密码&#39;">
					<div class="login-center-input-text">密码</div>
				</div>
			</div>
			<div class="login-center clearfix">
				<div class="login-center-img"><img src="/lnn/resource/admin/login/images/cpacha.png"></div>
				<div class="login-center-input">
					<input type="text" name="cpacha" id="cpacha" placeholder="请输入验证码" onfocus="this.placeholder=&#39;&#39;" onblur="this.placeholder=&#39;请输入验证码&#39;" style="width:50%">
					<div class="login-center-input-text">验证码</div>
                    <img id="cpachaPic" src="/lnn/admin/system/get_cpacha?vc=4&w=100&h=30" title="点击切换验证码" style="cursor: pointer"  onclick="changeCpacha()" width="100px" height="30px" >
				</div>
			</div>
			<div class="login-button">
				登录
			</div>
		</div>
		<div class="sk-rotating-plane"></div>
<canvas class="particles-js-canvas-el" width="1147" height="952" style="width: 100%; height: 100%;"></canvas></div>

<!-- scripts -->
<script src="/lnn/resource/admin/login/js/particles.min.js"></script>
<script src="/lnn/resource/admin/login/js/app.js"></script>
<script src="/lnn/resource/admin/login/js/jquery-1.8.0.js"></script>
<script type="text/javascript">
	function hasClass(elem, cls) {
	  cls = cls || '';
	  if (cls.replace(/\s/g, '').length == 0) return false; //当cls没有参数时，返回false
	  return new RegExp(' ' + cls + ' ').test(' ' + elem.className + ' ');
	}
	 
	function addClass(ele, cls) {
	  if (!hasClass(ele, cls)) {
	    ele.className = ele.className == '' ? cls : ele.className + ' ' + cls;
	  }
	}
	 
	function removeClass(ele, cls) {
	  if (hasClass(ele, cls)) {
	    var newClass = ' ' + ele.className.replace(/[\t\r\n]/g, '') + ' ';
	    while (newClass.indexOf(' ' + cls + ' ') >= 0) {
	      newClass = newClass.replace(' ' + cls + ' ', ' ');
	    }
	    ele.className = newClass.replace(/^\s+|\s+$/g, '');
	  }
	}

	function changeCpacha(){
	    $('#cpachaPic').attr('src','/lnn/admin/system/get_cpacha?vc=4&w=100&h=30&d='+new Date().getTime());
    }
		document.querySelector(".login-button").onclick = function(){
		        var username=$('#username').val();
		        var password=$('#password').val();
		        var cpacha=$('#cpacha').val();

		        if(username==''|| username=='undefined'){
		        	alert("请输入用户名");
		        	return;
				}
		    	if(password==''|| password=='undefined'){
			    	alert("请输入密码");
					return;
			    }
				if(cpacha==''|| cpacha=='undefined'){
					alert("请输入验证码");
					return;
				}

				$.ajax({
						url:'/lnn/admin/system/login',
						data:{'username':username,'password':password,'cpacha':cpacha},
			            dataType:'json',
                        type:'post',
					    success:function (data) {
							if(data.type=='success'){
                                 window.parent.location="/lnn/admin/system/homepage";
							}else {
								removeClass(document.querySelector(".login"), "active");
								removeClass(document.querySelector(".sk-rotating-plane"), "active");
								document.querySelector(".login").style.display = "block";
								alert(data.msg);
								return;
							}
						}
				});


		}
</script>
</body></html>