start coding of message module.

src/main/java/com/peteralbus/controller/AdminController.java

@@ -1,7 +1,10 @@
 package com.peteralbus.controller;
 
 import com.peteralbus.entity.Activity;
+import com.peteralbus.entity.User;
 import com.peteralbus.service.ActivityService;
+import com.peteralbus.service.MessageService;
+import com.peteralbus.service.UserService;
 import com.peteralbus.util.PrincipalUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
@@ -20,17 +23,37 @@ import java.util.List;
 @RequestMapping("/admin")
 public class AdminController
 {
+    @Autowired
+    MessageService messageService;
     @Autowired
     ActivityService activityService;
+    @Autowired
+    UserService userService;
+    private ModelAndView basicModelAndView()
+    {
+        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        modelAndView.addObject("messageCount",messageService.getNewMessageCount());
+        modelAndView.addObject("newMessageList",messageService.getNewMessage());
+        return modelAndView;
+    }
     @RequestMapping("/activities")
     public ModelAndView activities()
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         List<Activity> activityList=activityService.adminActivityList();
         modelAndView.addObject("activityList",activityList);
         modelAndView.setViewName("/jsp/admin/activities.jsp");
         return modelAndView;
     }
+    @RequestMapping("/users")
+    public ModelAndView users()
+    {
+        ModelAndView modelAndView=this.basicModelAndView();
+        List<User> userList=userService.getUserList();
+        modelAndView.addObject("userList",userList);
+        modelAndView.setViewName("/jsp/admin/users.jsp");
+        return modelAndView;
+    }
     @ResponseBody
     @RequestMapping("/restoreActivity")
     public String restoreActivity(Long activityId)
@@ -41,4 +64,16 @@ public class AdminController
         }
         return "error";
     }
+    @ResponseBody
+    @RequestMapping("/resetPassword")
+    public String resetPassword(Long userId)
+    {
+        User user=userService.queryById(userId);
+        user.setPassword("123456");
+        if(userService.updateUserPassword(user)>0)
+        {
+            return "success";
+        }
+        return "error";
+    }
 }

src/main/java/com/peteralbus/controller/PageController.java

@@ -1,9 +1,11 @@
 package com.peteralbus.controller;
 
 import com.peteralbus.entity.User;
+import com.peteralbus.service.MessageService;
 import com.peteralbus.util.PrincipalUtil;
 import org.apache.shiro.SecurityUtils;
 import org.apache.shiro.subject.Subject;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -17,16 +19,39 @@ import org.springframework.web.servlet.ModelAndView;
 @Controller
 public class PageController
 {
+    @Autowired
+    MessageService messageService;
     /**
      * Home page model and view.
      *
      * @return the model and view
      */
+    private ModelAndView basicModelAndView()
+    {
+        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        modelAndView.addObject("messageCount",messageService.getNewMessageCount());
+        modelAndView.addObject("newMessageList",messageService.getNewMessage());
+        return modelAndView;
+    }
     @RequestMapping("/index")
     public ModelAndView homePage()
     {
-        ModelAndView modelAndView= PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         modelAndView.setViewName("/jsp/home.jsp");
         return modelAndView;
     }
+    @RequestMapping("/messageList")
+    public ModelAndView messageList()
+    {
+        ModelAndView modelAndView=this.basicModelAndView();
+        modelAndView.setViewName("/jsp/message/messageList.jsp");
+        return modelAndView;
+    }
+    @RequestMapping("/message")
+    public ModelAndView message(Long messageId)
+    {
+        ModelAndView modelAndView=this.basicModelAndView();
+        modelAndView.setViewName("/jsp/message/message.jsp");
+        return modelAndView;
+    }
 }

src/main/java/com/peteralbus/controller/StudentController.java

@@ -1,10 +1,7 @@
 package com.peteralbus.controller;
 
 import com.peteralbus.entity.*;
-import com.peteralbus.service.ActivityService;
+import com.peteralbus.service.*;
-import com.peteralbus.service.GroupService;
-import com.peteralbus.service.ParticipateService;
-import com.peteralbus.service.RecordService;
 import com.peteralbus.util.PrincipalUtil;
 import org.apache.shiro.SecurityUtils;
 import org.apache.shiro.authz.UnauthorizedException;
@@ -26,6 +23,8 @@ import java.util.Map;
 @RequestMapping("/student")
 public class StudentController
 {
+    @Autowired
+    MessageService messageService;
     @Autowired
     ActivityService activityService;
     @Autowired
@@ -34,10 +33,17 @@ public class StudentController
     ParticipateService participateService;
     @Autowired
     RecordService recordService;
+    private ModelAndView basicModelAndView()
+    {
+        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        modelAndView.addObject("messageCount",messageService.getNewMessageCount());
+        modelAndView.addObject("newMessageList",messageService.getNewMessage());
+        return modelAndView;
+    }
     @RequestMapping("/activities")
     public ModelAndView activities()
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         List<Activity> activityList=activityService.getActivityByStudent(user.getUserId());
@@ -50,7 +56,7 @@ public class StudentController
     @RequestMapping("/applyActivity")
     public ModelAndView applyActivity(Long activityId)
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         Activity activity= activityService.getActivityById(activityId);
@@ -68,7 +74,7 @@ public class StudentController
     @RequestMapping("/manageActivity")
     public ModelAndView manageActivity(Long activityId)
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         Activity activity= activityService.getActivityById(activityId);

src/main/java/com/peteralbus/controller/TeacherController.java

@@ -38,11 +38,20 @@ public class TeacherController
     ScoreGroupService scoreGroupService;
     @Autowired
     ScoreStuService scoreStuService;
+    @Autowired
+    MessageService messageService;
+    private ModelAndView basicModelAndView()
+    {
+        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        modelAndView.addObject("messageCount",messageService.getNewMessageCount());
+        modelAndView.addObject("newMessageList",messageService.getNewMessage());
+        return modelAndView;
+    }
     @RequiresRoles(value={"teacher"}, logical= Logical.OR)
     @RequestMapping("/activities")
     public ModelAndView activities()
     {
-        ModelAndView modelAndView= PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         List<Activity> activityList=activityService.getActivityByTeacher(user.getUserId());
@@ -56,7 +65,7 @@ public class TeacherController
     @RequestMapping("/activityDetail")
     public ModelAndView activityDetail(Long activityId)
     {
-        ModelAndView modelAndView= PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Activity activity=activityService.getActivityById(activityId);
         modelAndView.addObject("activity",activity);
         modelAndView.setViewName("/jsp/teacher/activityDetail.jsp");
@@ -65,7 +74,7 @@ public class TeacherController
     @RequestMapping("/modifyActivity")
     public ModelAndView modifyActivity(Long activityId)
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         if(!activityService.checkIsManage(user.getUserId(), activityId))
@@ -84,7 +93,7 @@ public class TeacherController
     @RequestMapping("/manageGroup")
     public ModelAndView manageGroup(Long groupId)
     {
-        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        ModelAndView modelAndView=this.basicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
         Group group=groupService.getById(groupId);

src/main/java/com/peteralbus/dao/MessageDao.java

@@ -0,0 +1,14 @@
+package com.peteralbus.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.peteralbus.entity.Message;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * The interface Message dao.
+ * @author peteralbus
+ */
+@Mapper
+public interface MessageDao extends BaseMapper<Message>
+{
+}

src/main/java/com/peteralbus/entity/Message.java

@@ -0,0 +1,152 @@
+package com.peteralbus.entity;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * The type Message.
+ * @author peteralbus
+ */
+public class Message implements Serializable
+{
+    @TableId(type= IdType.ASSIGN_ID)
+    private Long messageId;
+    private String messageTitle;
+    private Long messageReceiver;
+    private String messageSender;
+    private String messageContent;
+    private Boolean isRead;
+    @Version
+    private Integer version;
+    @TableField(fill = FieldFill.INSERT)
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private LocalDateTime gmtCreate;
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private LocalDateTime gmtModified;
+    @TableLogic
+    private Integer isDelete;
+
+    public Long getMessageId()
+    {
+        return messageId;
+    }
+
+    public void setMessageId(Long messageId)
+    {
+        this.messageId = messageId;
+    }
+
+    public String getMessageTitle()
+    {
+        return messageTitle;
+    }
+
+    public void setMessageTitle(String messageTitle)
+    {
+        this.messageTitle = messageTitle;
+    }
+
+    public Long getMessageReceiver()
+    {
+        return messageReceiver;
+    }
+
+    public void setMessageReceiver(Long messageReceiver)
+    {
+        this.messageReceiver = messageReceiver;
+    }
+
+    public String getMessageSender()
+    {
+        return messageSender;
+    }
+
+    public void setMessageSender(String messageSender)
+    {
+        this.messageSender = messageSender;
+    }
+
+    public String getMessageContent()
+    {
+        return messageContent;
+    }
+
+    public void setMessageContent(String messageContent)
+    {
+        this.messageContent = messageContent;
+    }
+
+    public Boolean getRead()
+    {
+        return isRead;
+    }
+
+    public void setRead(Boolean read)
+    {
+        isRead = read;
+    }
+
+    public Integer getVersion()
+    {
+        return version;
+    }
+
+    public void setVersion(Integer version)
+    {
+        this.version = version;
+    }
+
+    public LocalDateTime getGmtCreate()
+    {
+        return gmtCreate;
+    }
+
+    public void setGmtCreate(LocalDateTime gmtCreate)
+    {
+        this.gmtCreate = gmtCreate;
+    }
+
+    public LocalDateTime getGmtModified()
+    {
+        return gmtModified;
+    }
+
+    public void setGmtModified(LocalDateTime gmtModified)
+    {
+        this.gmtModified = gmtModified;
+    }
+
+    public Integer getIsDelete()
+    {
+        return isDelete;
+    }
+
+    public void setIsDelete(Integer isDelete)
+    {
+        this.isDelete = isDelete;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Message{" +
+                "messageId=" + messageId +
+                ", messageTitle='" + messageTitle + '\'' +
+                ", messageReceiver=" + messageReceiver +
+                ", messageSender='" + messageSender + '\'' +
+                ", messageContent='" + messageContent + '\'' +
+                ", isRead=" + isRead +
+                ", version=" + version +
+                ", gmtCreate=" + gmtCreate +
+                ", gmtModified=" + gmtModified +
+                ", isDelete=" + isDelete +
+                '}';
+    }
+}

src/main/java/com/peteralbus/service/MessageService.java

@@ -0,0 +1,58 @@
+package com.peteralbus.service;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.peteralbus.dao.MessageDao;
+import com.peteralbus.entity.Message;
+import com.peteralbus.entity.User;
+import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.subject.Subject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * The type Message service.
+ * @author peteralbus
+ */
+@Service
+public class MessageService
+{
+    @Autowired
+    MessageDao messageDao;
+    public List<Message> getMessage()
+    {
+        Subject subject = SecurityUtils.getSubject();
+        User user=(User)subject.getPrincipal();
+        QueryWrapper<Message> queryWrapper=new QueryWrapper<>();
+        queryWrapper.eq("message_receiver",user.getUserId());
+        return messageDao.selectList(queryWrapper);
+    }
+    public List<Message> getNewMessage()
+    {
+        Subject subject = SecurityUtils.getSubject();
+        User user=(User)subject.getPrincipal();
+        QueryWrapper<Message> queryWrapper=new QueryWrapper<>();
+        queryWrapper.eq("message_receiver",user.getUserId());
+        queryWrapper.eq("is_read",false);
+        return messageDao.selectList(queryWrapper);
+    }
+    public Long getNewMessageCount()
+    {
+        Subject subject = SecurityUtils.getSubject();
+        User user=(User)subject.getPrincipal();
+        QueryWrapper<Message> queryWrapper=new QueryWrapper<>();
+        queryWrapper.eq("message_receiver",user.getUserId());
+        return messageDao.selectCount(queryWrapper);
+    }
+    public int sendMessage(Long targetId,String sender,String title,String content)
+    {
+        Message message=new Message();
+        message.setMessageSender(sender);
+        message.setMessageReceiver(targetId);
+        message.setMessageTitle(title);
+        message.setMessageContent(content);
+        message.setRead(false);
+        return messageDao.insert(message);
+    }
+}

src/main/java/com/peteralbus/service/UserService.java

@@ -79,4 +79,14 @@ public class UserService
         queryWrapper.eq("user_class",2);
         return userDao.selectList(queryWrapper);
     }
+
+    public List<User> getUserList()
+    {
+        return userDao.selectList(null);
+    }
+
+    public User queryById(Long userId)
+    {
+        return userDao.selectById(userId);
+    }
 }

src/main/java/com/peteralbus/util/PrincipalUtil.java

@@ -1,13 +1,22 @@
 package com.peteralbus.util;
 
+import com.peteralbus.entity.Message;
 import com.peteralbus.entity.User;
+import com.peteralbus.service.MessageService;
 import org.apache.shiro.SecurityUtils;
 import org.apache.shiro.subject.Subject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.ModelAndView;
 
+import javax.annotation.PostConstruct;
+import java.util.List;
+
 /**
  * The type Principal util.
+ * @author peteralbus
  */
+@Component
 public class PrincipalUtil
 {
     /**

src/main/webapp/jsp/admin/activities.jsp

@@ -11,7 +11,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-    <title>主页</title>
+    <title>社会实践活动管理</title>
     <!-- 导入 Vue 3 -->
     <script src="${pageContext.request.contextPath}/vue/vue@next/vue.global.js"></script>
     <!-- 导入组件库 -->
@@ -133,6 +133,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/admin/users.jsp

@@ -0,0 +1,199 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: peteralbus
+  Date: 2021/12/21
+  Time: 20:04
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<%@ taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>用户管理</title>
+    <!-- 导入 Vue 3 -->
+    <script src="${pageContext.request.contextPath}/vue/vue@next/vue.global.js"></script>
+    <!-- 导入组件库 -->
+    <script src="${pageContext.request.contextPath}/vue/element/index.full.js"></script>
+    <script src="${pageContext.request.contextPath}/vue/axios/axios.js"></script>
+    <script src="${pageContext.request.contextPath}/vue/qs.min.js"></script>
+    <!-- 引入样式 -->
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/vue/font-awesome/css/font-awesome.css">
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/css/main.css">
+    <link rel="stylesheet" href="//unpkg.com/element-plus@1.1.0-beta.9/dist/index.css" />
+</head>
+<body>
+<div id="app">
+    <header>
+        <%@ include file="/jsp/header.html" %>
+    </header>
+    <div class="main">
+        <div class="container">
+            <el-container>
+                <el-aside width="80px">
+                    <%@ include file="/jsp/aside.html" %>
+                </el-aside>
+                <el-main>
+                    <el-page-header icon="el-icon-arrow-left" :content="title" @back="goBack"></el-page-header>
+                    <br/>
+                    <div style="text-align: center">
+                        <el-pagination
+                                background
+                                layout="total, sizes ,prev, pager, next, jumper"
+                                :total="userListResult.length"
+                                :page-sizes="[5, 10, 20, 40]"
+                                v-model:page-size="pageSize"
+                                v-model:current-page="currentPage">
+                        </el-pagination>
+                    </div>
+                    <div>
+                        <el-table
+                                :data="currentPageUsers"
+                                style="width: 100%"
+                        >
+                            <el-table-column prop="userId" label="用户ID" fixed width="250"></el-table-column>
+                            <el-table-column prop="username" label="用户名" width="200"></el-table-column>
+                            <el-table-column prop="realName" label="姓名" width="200"></el-table-column>
+                            <el-table-column label="头像">
+                                <template #default="scope">
+                                    <el-popover effect="light" trigger="hover" placement="top">
+                                        <template #default>
+                                            <img :src="scope.row.avatarSrc" alt="" style="width: 150px;height: 150px"/>
+                                        </template>
+                                        <template #reference>
+                                            <el-tag size="medium">悬浮查看</el-tag>
+                                        </template>
+                                    </el-popover>
+                                </template>
+                            </el-table-column>
+                            <el-table-column prop="userPhone" label="手机号" width="200"></el-table-column>
+                            <el-table-column prop="userClass" label="用户类别"></el-table-column>
+                            <el-table-column prop="userSalt" label="加密盐值"></el-table-column>
+                            <el-table-column prop="version" label="版本"></el-table-column>
+                            <el-table-column prop="gmtCreate" label="创建时间" width="250"></el-table-column>
+                            <el-table-column prop="gmtModified" label="上次更改" width="250"></el-table-column>
+                            <el-table-column align="right" fixed="right" width="100">
+                                <template #header>
+                                    <el-input v-model="keyWord" size="mini" placeholder="搜索用户"></el-input>
+                                </template>
+                                <template #default="scope">
+                                    <el-button size="mini" @click="resetPassword(scope.row.userId)" type="danger">重置密码</el-button>
+                                </template>
+                            </el-table-column>
+                        </el-table>
+                    </div>
+                </el-main>
+            </el-container>
+        </div>
+    </div>
+    <footer>
+        <%@ include file="/jsp/foot.html" %>
+    </footer>
+</div>
+<script>
+    const App = {
+        data() {
+            return{
+                title:'用户',
+                user:{
+                    username:'',
+                    realName:'',
+                    avatarSrc: ''
+                },
+                keyWord:'',
+                currentPage:1,
+                pageSize:10,
+                userList:[
+                    <c:forEach items="${userList}" var="user">
+                    {
+                        userId: '${user.getUserId()}',
+                        username: '${user.getUsername()}',
+                        password:'${user.getPassword()}',
+                        realName:'${user.getRealName()}',
+                        userPhone:'${user.getUserPhone()}',
+                        avatarSrc:'${user.getAvatarSrc()}',
+                        userClass: '${user.getUserClass()}',
+                        userSalt:'${user.getUserSalt()}',
+                        version:'${user.getVersion()}',
+                        gmtCreate:'${user.getGmtCreate()}',
+                        gmtModified:'${user.getGmtModified()}',
+                        isDelete:'${user.getIsDelete()}'
+                    },
+                    </c:forEach>
+                ],
+                activeIndex:'5'
+            }
+        },
+        mounted(){
+            this.user.realName='${realName}'
+            this.user.username='${username}'
+            this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
+        },
+        methods: {
+            goBack(){
+                window.history.go(-1);
+            },
+            resetPassword(id){
+                this.$messageBox.confirm(
+                    '确认要重置用户密码为123456吗？',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/admin/resetPassword?userId="+id,
+                        }).then(res=>{
+                            if(res.data==="error")
+                            {
+                                this.$message.error('重置失败!')
+                            }
+                            else
+                            {
+                                this.$message.success('重置成功!')
+                            }
+                        })
+                    })
+            }
+        },
+        computed:{
+            userListResult:function (){
+                let result=[];
+                if(this.keyWord==='')
+                {
+                    return this.userList;
+                }
+                for(let i=0;i<this.userList.length;i++)
+                {
+                    let str=this.userList[i].realName;
+                    let str_leader=this.userList[i].username;
+                    if(str.search(this.keyWord)!==-1||str_leader.search(this.keyWord)!==-1)
+                    {
+                        result.push(this.userList[i]);
+                    }
+                }
+                return result;
+            },
+            currentPageUsers:function (){
+                return this.userListResult.slice((this.currentPage-1)*this.pageSize,this.currentPage*this.pageSize)
+            }
+        }
+    };
+    const app = Vue.createApp(App);
+    app.use(ElementPlus);
+    app.mount("#app");
+</script>
+</body>
+</html>

src/main/webapp/jsp/aside.html

@@ -27,6 +27,12 @@
             <template #title>活动列表</template>
         </el-menu-item>
     </shiro:hasRole>
+    <shiro:hasRole name="admin">
+        <el-menu-item index="5" onclick="location.href='/admin/users'">
+            <i class="el-icon-user"></i>
+            <template #title>用户列表</template>
+        </el-menu-item>
+    </shiro:hasRole>
     <el-menu-item index="9">
         <i class="el-icon-document"></i>
         <template #title>Navigator Three</template>

src/main/webapp/jsp/header.html

@@ -9,7 +9,13 @@
         <shiro:hasRole name="student">欢迎学生:{{user.realName}}!</shiro:hasRole>
         <shiro:hasRole name="teacher">欢迎老师:{{user.realName}}!</shiro:hasRole>
         <shiro:hasRole name="admin">欢迎管理员:{{user.realName}}!</shiro:hasRole>
-        <shiro:authenticated>&emsp;<el-link href="${pageContext.request.contextPath}/logout">登出 <i class="fa fa-sign-out"></i></el-link></shiro:authenticated>
+        <shiro:authenticated>
+            <el-badge :value="${messageCount}" class="item" :hidden="${messageCount}==0">
+                <el-button icon="el-icon-message" onclick="location.href='/message'" size="mini"></el-button>
+            </el-badge>
+            &emsp;
+            <el-link href="${pageContext.request.contextPath}/logout">登出 <i class="fa fa-sign-out"></i></el-link>
+        </shiro:authenticated>
     </div>
 </div>
 </el-affix>

src/main/webapp/jsp/home.jsp

@@ -6,6 +6,7 @@
 --%>
 <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 <%@ taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 <!DOCTYPE html>
 <html>
 <head>
@@ -66,6 +67,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/message/message.jsp

@@ -0,0 +1,16 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: peteralbus
+  Date: 2021/12/21
+  Time: 21:39
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+
+</body>
+</html>

src/main/webapp/jsp/message/messageList.jsp

@@ -0,0 +1,16 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: peteralbus
+  Date: 2021/12/21
+  Time: 21:18
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+
+</body>
+</html>

src/main/webapp/jsp/student/activities.jsp

@@ -175,6 +175,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
             let teachers
             <c:forEach items="${activityList}" var="activity">
             teachers=[]

src/main/webapp/jsp/student/activityResult.jsp

@@ -235,6 +235,13 @@
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
             this.user.userId='${userId}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/student/applyActivity.jsp

@@ -195,6 +195,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/student/manageActivity.jsp

@@ -220,6 +220,13 @@
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
             this.user.userId='${userId}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/student/waitGroup.jsp

@@ -189,6 +189,13 @@
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
             this.user.userId='${userId}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/teacher/activity.jsp

@@ -172,6 +172,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
             let teachers
             <c:forEach items="${activityList}" var="activity">
             teachers=[]

src/main/webapp/jsp/teacher/activityDetail.jsp

@@ -136,6 +136,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         methods: {
             goBack(){

src/main/webapp/jsp/teacher/manageGroup.jsp

@@ -251,6 +251,13 @@
       this.user.username='${username}'
       this.user.avatarSrc='${avatarSrc}'
       this.user.userId='${userId}'
+      <c:if test="${newMessageList.size()!=0}">
+      this.$notify.info({
+        title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+        message: '${newMessageList.get(0).getMessageContent()}',
+        offset: 100,
+      })
+      </c:if>
     },
     methods: {
       goBack(){

src/main/webapp/jsp/teacher/modifyActivity.jsp

@@ -214,6 +214,13 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            <c:if test="${newMessageList.size()!=0}">
+            this.$notify.info({
+                title: '有新消息:${newMessageList.get(0).getMessageTitle()}',
+                message: '${newMessageList.get(0).getMessageContent()}',
+                offset: 100,
+            })
+            </c:if>
         },
         computed:{
             teacherListResult:function (){