finished the modules of join and create group.

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

@@ -56,8 +56,7 @@ public class StudentController
         Participate participate=participateService.getByUserAndActivity(user.getUserId(), activityId);
         if(participate!=null)
         {
-            modelAndView.setViewName("redirect: /student/manageActivity?activityId="+activityId);
-            return modelAndView;
+            return new ModelAndView("redirect: /student/manageActivity?activityId="+activityId);
         }
         modelAndView.addObject("activity",activity);
         List<Group> groupList=groupService.getGroupListByActivity(activityId);
@@ -71,34 +70,61 @@ public class StudentController
         ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
         Subject subject = SecurityUtils.getSubject();
         User user=(User)subject.getPrincipal();
+        modelAndView.addObject("userId",user.getUserId());
         Activity activity= activityService.getActivityById(activityId);
         Participate participate=participateService.getByUserAndActivity(user.getUserId(), activityId);
         if(participate==null)
         {
             throw new UnauthorizedException();
         }
-        Long memberCount=groupService.getMemberCount(participate.getGroupId());
-        if(memberCount<=activity.getMinPeople())
+        Group group=groupService.getById(participate.getGroupId());
+        Long memberCount=groupService.getMemberCount(group.getGroupId());
+        List<Participate> memberList=groupService.getGroupMember(group.getGroupId());
+        modelAndView.addObject("group",group);
+        modelAndView.addObject("memberList",memberList);
+        if(participate.getAccept())
         {
-            if(participate.getAccept())
+            if(memberCount<activity.getMinPeople())
             {
                 modelAndView.addObject("currentStatus","正在等待小组成员数量达到要求");
+                modelAndView.setViewName("/jsp/student/waitGroup.jsp");
             }
             else
             {
-                modelAndView.addObject("currentStatus","正在等待组长通过您的申请");
+                modelAndView.setViewName("/jsp/student/manageActivity.jsp");
             }
-            modelAndView.setViewName("/jsp/student/waitGroup.jsp");
         }
         else
         {
-            modelAndView.setViewName("/jsp/student/manageActivity.jsp");
+            modelAndView.addObject("currentStatus","正在等待组长通过您的申请");
+            modelAndView.setViewName("/jsp/student/waitGroup.jsp");
         }
-
         modelAndView.addObject("activity",activity);
         return modelAndView;
     }
     @ResponseBody
+    @RequestMapping("/acceptJoin")
+    public String acceptJoin(Long participateId)
+    {
+        int result=participateService.acceptJoin(participateId);
+        if(result<=0)
+        {
+            return "error";
+        }
+        return "success";
+    }
+    @ResponseBody
+    @RequestMapping("/refuseJoin")
+    public String refuseJoin(Long participateId)
+    {
+        int result=participateService.refuseJoin(participateId);
+        if(result<=0)
+        {
+            return "error";
+        }
+        return "success";
+    }
+    @ResponseBody
     @RequestMapping("/participateWithNewGroup")
     public String participateWithNewGroup(Group group)
     {

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

@@ -21,6 +21,8 @@ public class Group implements Serializable
     private Long leaderId;
     @TableField(exist = false)
     private String leaderName;
+    @TableField(exist = false)
+    public Long memberCount;
     private Long activityId;
     @Version
     private Integer version;
@@ -130,6 +132,16 @@ public class Group implements Serializable
         this.leaderName = leaderName;
     }
 
+    public Long getMemberCount()
+    {
+        return memberCount;
+    }
+
+    public void setMemberCount(Long memberCount)
+    {
+        this.memberCount = memberCount;
+    }
+
     @Override
     public String toString()
     {

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

@@ -17,6 +17,10 @@ public class Participate implements Serializable
     @TableId(type= IdType.ASSIGN_ID)
     private Long participationId;
     private Long userId;
+    @TableField(exist = false)
+    private String username;
+    @TableField(exist = false)
+    private String realName;
     private Long activityId;
     private Long groupId;
     private Boolean isFinished;
@@ -134,6 +138,26 @@ public class Participate implements Serializable
         isAccept = accept;
     }
 
+    public String getUsername()
+    {
+        return username;
+    }
+
+    public void setUsername(String username)
+    {
+        this.username = username;
+    }
+
+    public String getRealName()
+    {
+        return realName;
+    }
+
+    public void setRealName(String realName)
+    {
+        this.realName = realName;
+    }
+
     @Override
     public String toString()
     {

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

@@ -10,6 +10,7 @@ import com.peteralbus.entity.User;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -39,7 +40,11 @@ public class GroupService
     }
     public Group getById(Long groupId)
     {
-        return groupDao.selectById(groupId);
+        Group group=groupDao.selectById(groupId);
+        User user=userDao.selectById(group.getLeaderId());
+        group.setLeaderName(user.getRealName());
+        group.setMemberCount(getMemberCount(groupId));
+        return group;
     }
     public Long getMemberCount(Long groupId)
     {
@@ -48,6 +53,19 @@ public class GroupService
         queryWrapper.eq("is_accept",true);
         return participateDao.selectCount(queryWrapper);
     }
+    public List<Participate> getGroupMember(Long groupId)
+    {
+        QueryWrapper<Participate> queryWrapper=new QueryWrapper<>();
+        queryWrapper.eq("group_id",groupId);
+        List<Participate> memberList=participateDao.selectList(queryWrapper);
+        for(Participate participate:memberList)
+        {
+            User user= userDao.selectById(participate.getUserId());
+            participate.setUsername(user.getUsername());
+            participate.setRealName(user.getRealName());
+        }
+        return memberList;
+    }
     public int insertGroup(Group group)
     {
         return groupDao.insert(group);

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

@@ -7,6 +7,7 @@ import com.peteralbus.entity.Group;
 import com.peteralbus.entity.Participate;
 import com.peteralbus.entity.User;
 import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.authz.UnauthorizedException;
 import org.apache.shiro.subject.Subject;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -59,4 +60,33 @@ public class ParticipateService
         participate.setAccept(false);
         return participateDao.insert(participate);
     }
+    public int acceptJoin(Long participateId)
+    {
+        Participate participate=participateDao.selectById(participateId);
+        Subject subject = SecurityUtils.getSubject();
+        User user=(User)subject.getPrincipal();
+        if(groupDao.selectById(participate.getGroupId()).getLeaderId().equals(user.getUserId()))
+        {
+            participate.setAccept(true);
+            return participateDao.updateById(participate);
+        }
+        else
+        {
+            throw new UnauthorizedException();
+        }
+    }
+    public int refuseJoin(Long participateId)
+    {
+        Participate participate=participateDao.selectById(participateId);
+        Subject subject = SecurityUtils.getSubject();
+        User user=(User)subject.getPrincipal();
+        if(groupDao.selectById(participate.getGroupId()).getLeaderId().equals(user.getUserId()))
+        {
+            return participateDao.deleteById(participate);
+        }
+        else
+        {
+            throw new UnauthorizedException();
+        }
+    }
 }

src/main/resources/mapper/ActivityDao.xml

@@ -6,12 +6,12 @@
     <select id="getActivityByTeacher" parameterType="java.lang.Long" resultType="com.peteralbus.entity.Activity">
         select activity.activity_id, activity_name, activity_type, activity_introduction, min_people, max_people,activity.version, activity.gmt_create, activity.gmt_modified
         from social_practice_sys.activity,social_practice_sys.user,social_practice_sys.manage
-        where activity.is_delete=0 and user.user_id=#{userId} and user.user_id=manage.user_id and manage.activity_id=activity.activity_id
+        where activity.is_delete=0 and user.user_id=#{userId} and user.user_id=manage.user_id and manage.activity_id=activity.activity_id and manage.is_delete=0
     </select>
     <select id="getActivityByStudent" parameterType="java.lang.Long" resultType="com.peteralbus.entity.Activity">
         select activity.activity_id, activity_name, activity_type, activity_introduction, min_people, max_people, activity.version, activity.gmt_create, activity.gmt_modified
         from activity,participate,user
-        where user.user_id=#{userId} and activity.activity_id=participate.activity_id and user.user_id=participate.user_id and activity.is_delete=0
+        where user.user_id=#{userId} and activity.activity_id=participate.activity_id and user.user_id=participate.user_id and activity.is_delete=0 and participate.is_delete=0
     </select>
     <select id="getTeacherList" parameterType="java.lang.Long" resultType="com.peteralbus.entity.User">
         select user.user_id,username,real_name,user_phone,avatar_src from activity,user,manage

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

@@ -16,6 +16,8 @@
     <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">
@@ -96,6 +98,26 @@
                                 :sub-title="currentStatus"
                         >
                         </el-result>
+                        <div>
+                            <el-descriptions title="小组信息" border>
+                                <el-descriptions-item label="小组名">{{group.groupName}}</el-descriptions-item>
+                                <el-descriptions-item label="组长姓名">{{group.leaderName}}</el-descriptions-item>
+                                <el-descriptions-item label="已加入组员数">{{group.memberCount}}</el-descriptions-item>
+                            </el-descriptions>
+                            <h4>成员信息</h4>
+                            <el-table :data="memberList" style="width: 100%" stripe>
+                                <el-table-column prop="username" label="用户名"></el-table-column>
+                                <el-table-column prop="realName" label="姓名"></el-table-column>
+                                <el-table-column align="right" label="加入状态">
+                                    <template #default="scope">
+                                        <el-button size="mini" @click="accept(scope.row.participateId)" v-if="(!scope.row.isAccept)&&user.userId==group.leaderId">通过</el-button>
+                                        <el-button size="mini" @click="refuse(scope.row.participateId)" v-if="(!scope.row.isAccept)&&user.userId==group.leaderId" type="danger">拒绝</el-button>
+                                        <el-tag type="success" v-if="scope.row.isAccept">已通过</el-tag>
+                                        <el-tag type="info" v-if="(!scope.row.isAccept)&&user.userId!=group.leaderId">审核中</el-tag>
+                                    </template>
+                                </el-table-column>
+                            </el-table>
+                        </div>
                     </div>
                 </el-main>
             </el-container>
@@ -113,7 +135,8 @@
                 user:{
                     username:'',
                     realName:'',
-                    avatarSrc: ''
+                    avatarSrc: '',
+                    userId:''
                 },
                 currentStatus:'${currentStatus}',
                 activity:{
@@ -136,6 +159,24 @@
                         </c:forEach>
                     ]
                 },
+                group:{
+                    groupId:'${group.getGroupId()}',
+                    groupName:'${group.getGroupName()}',
+                    leaderId:'${group.getLeaderId()}',
+                    leaderName: '${group.getLeaderName()}',
+                    memberCount: '${group.getMemberCount()}'
+                },
+                memberList:[
+                    <c:forEach items="${memberList}" var="member">
+                    {
+                        participateId:'${member.getParticipationId()}',
+                        userId:'${member.getUserId()}',
+                        username:'${member.getUsername()}',
+                        realName:'${member.getRealName()}',
+                        isAccept:${member.getAccept()}
+                    },
+                    </c:forEach>
+                ],
                 activeIndex:'3'
             }
         },
@@ -143,10 +184,71 @@
             this.user.realName='${realName}'
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
+            this.user.userId='${userId}'
         },
         methods: {
             goBack(){
                 window.history.go(-1);
+            },
+            accept(id){
+                this.$messageBox.confirm(
+                    '小组成员加入后，不可再抛弃了哦，确认通过申请？',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/student/acceptJoin?participateId="+id,
+                            })
+                            .then(res => {
+                                if(res.data==="success")
+                                {
+                                    location.reload();
+                                }
+                                else
+                                {
+                                    this.$message.error("出现异常，通过失败")
+                                }
+                            })
+                            .catch(res=>{
+                                this.$message.error("出现异常，通过失败")
+                            })
+                    })
+            },
+            refuse(id){
+                this.$messageBox.confirm(
+                    '确认要拒绝该同学的申请吗？',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/student/refuseJoin?participateId="+id,
+                        })
+                            .then(res => {
+                                if(res.data==="success")
+                                {
+                                    location.reload();
+                                }
+                                else
+                                {
+                                    this.$message.error("出现异常，拒绝失败")
+                                }
+                            })
+                            .catch(res=>{
+                                this.$message.error("出现异常，拒绝失败")
+                            })
+                    })
             }
         }
     };