当我在web.xml中进行spring配置时，它不会加载bootstrap文件请求将转到控制器类但是如果我在web.xml中进行servlet配置，一切都可以正常工作
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<title>Login Page</title>
<link href="../bower_components/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- MetisMenu CSS -->
<link href="../bower_components/metisMenu/dist/metisMenu.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="../dist/css/sb-admin-2.css" rel="stylesheet">
<!-- Custom Fonts -->
<link href=../bower_components/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-4 col-md-offset-4">
<div class="login-panel panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Please Sign In</h3>
</div>
<div class="panel-body">
<form role="form" action="login" method="post">
<fieldset>
<div class="form-group">
<input class="form-control" placeholder="E-mail" name="userName" type="text" autofocus>
</div>
<div class="form-group">
<input class="form-control" placeholder="Password" name="password" type="password" value="">
</div>
<div class="checkbox">
<label>
<input name="remember" type="checkbox" value="Remember Me">Remember Me
</label>
</div>
<!-- Change this to a button or input when using this as a form -->
<!-- <a href="pages/AdminHome.jsp" class="btn btn-lg btn-success btn-block">Login</a> -->
<input type="submit" value="login" />
<br>
<div class="dropdown">
<button class="btn btn-info dropdown-toggle" type="button" data-toggle="dropdown">Registration Yourself
<span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="StudentByAdmin.jsp">Student</a></li>
<li><a href="ParentsByAdmin.jsp">Parent</a></li>
<li><a href="TeacherByAdmin.jsp">Teacher</a></li>
</ul>
<p><a href="#">Forgot your password ?</a></p>
</div>
</fieldset>
</form>
</div>
</div>
</div>
</div>
</div>
<!-- jQuery -->
<script src="../bower_components/jquery/dist/jquery.min.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="../bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- Metis Menu Plugin JavaScript -->
<script src="../bower_components/metisMenu/dist/metisMenu.min.js"></script>
<!-- Custom Theme JavaScript -->
<script src="../dist/js/sb-admin-2.js"></script>
</body>
</html>
web.xml中的spring配置
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- create ds , only app start.. -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring-config.xml
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<!-- map all action to ds -->
<url-pattern>/</url-pattern>
</servlet-mapping>