基于javaEE的简单教务系统实现(一)

完成javaEE课程代码

首先登陆界面等

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 引入bootstrap -->
    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/css/bootstrap.min.css">
    <!-- 引入JQuery  bootstrap.js-->
    <script src="${pageContext.request.contextPath}/js/jquery-3.2.1.min.js"></script>
    <script src="${pageContext.request.contextPath}/js/bootstrap.min.js"></script>
    <style type="text/css">
    body{
       
       
   
margin:0px;
background: url('${pageContext.request.contextPath}/images/a.jpg') no-repeat;
background-size:100% 100%;
background-attachment:fixed;
    }
    #login-box {
        /*border:1px solid #F00;*/
        padding: 35px;
        border-radius:15px;
        background: #56666B;
        color: #fff;
    }

    </style>
</head>
<body>
    <div class="container" id="top">
        <div class="row" style="margin-top: 280px; ">
            <div class="col-md-4"></div>
            <div class="col-md-4" id="login-box">
                <form class="form-horizontal" role="form" action="${pageContext.request.contextPath}/login" id="from1" method="post">
                  <div class="form-group">
                    <label for="firstname" class="col-sm-3 control-label">用户id</label>
                    <div class="col-sm-9">
                      <input type="text" class="form-control" id="userID" placeholder="请输入名字" name="username">
                    </div>
                  </div>
                  <div class="form-group">
                    <label for="lastname" class="col-sm-3 control-label">密码</label>
                    <div class="col-sm-9">
                      <input type="password" class="form-control" id="password" placeholder="请输入密码" name="password">
                    </div>
                  </div>
                  <%--<div class="form-group">--%>
                    <%--<div class="col-sm-offset-2 col-sm-10">--%>
                      <%--<div class="checkbox">--%>
                        <%--<label class="checkbox-inline">--%>
                            <%--<input type="radio" name="role" value="1" checked>管理员--%>
                        <%--</label>--%>
                        <%--<label class="checkbox-inline">--%>
                            <%--<input type="radio" name="role" value="2">老师--%>
                        <%--</label>--%>
                        <%--<label class="checkbox-inline">--%>
                            <%--<input type="radio" name="role" value="3">学生--%>
                        <%--</label>--%>
                      <%--</div>--%>
                    <%--</div>--%>
                  <%--</div>--%>
                  <div class="form-group pull-right" style="margin-right: 15px;">
                    <div class="col-sm-offset-2 col-sm-10">
                      <button type="submit" class="btn btn-default btn-info">登录</button>
                    </div>
                  </div>
                </form>
            </div>
            <div class="col-md-4"></div>
        </div>        
    </div>
</body>
</html>

实现可选择的登录角色或者后台识别登录角色等

界面效果

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

  <!--加载spring容器-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>/WEB-INF/classes/spring/applicationContext-*.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!--springMVC前端控制器加载-->
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!--contextConfigLocation配置SpringMVC加载的配置文件(配置处理器,映射器等等)
    如果不配置contextConfigLocation,默认加载的是:/WEB-INF/servlet名称-servlet.xml(springmvc-servlet.xml)
    -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring/springmvc.xml</param-value>
    </init-param>
  </servlet>

  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>


  <!--spring为我们提供的乱码过滤器-->
  <filter>
    <filter-name>CharacterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>utf-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>CharacterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!-- name要和 applicationContext.xml中的对应的bean的id一致 -->
  <!--Shiro拦截器 shiro入口-->
  <filter>
    <filter-name>shiroFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    <init-param>
      <param-name>targetFilterLifecycle</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>

  <filter-mapping>
    <filter-name>shiroFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>


  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>

</web-app>
原文地址:https://www.cnblogs.com/520520520zl/p/14894092.html