diff --git a/src/main/java/com/mobile_education_platform/controller/AddressListGroupController.java b/src/main/java/com/mobile_education_platform/controller/AddressListGroupController.java
index e30b13b95ae82a6a08fa39c85d74d6ba11399ced..bc5f2df064d24f81f04e2166e4dd114647a9cc89 100644
--- a/src/main/java/com/mobile_education_platform/controller/AddressListGroupController.java
+++ b/src/main/java/com/mobile_education_platform/controller/AddressListGroupController.java
@@ -1,10 +1,27 @@
 package com.mobile_education_platform.controller;
 
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.mobile_education_platform.common.ParamException;
+import com.mobile_education_platform.common.R;
+import com.mobile_education_platform.pojo.AddressListGroup;
+import com.mobile_education_platform.pojo.StudentClass;
+import com.mobile_education_platform.pojo.dto.AddressListGroupDto;
+import com.mobile_education_platform.pojo.vo.ParentGroupVO;
+import com.mobile_education_platform.pojo.vo.StudentGroupVO;
+import com.mobile_education_platform.pojo.vo.TeacherGroupVO;
+import com.mobile_education_platform.service.AddressListGroupService;
+import com.mobile_education_platform.service.ClassService;
 import io.swagger.annotations.Api;
-import org.springframework.web.bind.annotation.RequestMapping;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiImplicitParams;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
 
-import org.springframework.web.bind.annotation.RestController;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * <p>
@@ -16,8 +33,151 @@ import org.springframework.web.bind.annotation.RestController;
  */
 @RestController
 @RequestMapping("/address-list-group")
-@Api(tags = "")
+@Api(tags = "前台班级通讯录信息")
 public class AddressListGroupController {
 
+
+    @Autowired
+    private ClassService classService;
+
+    @Autowired
+    private AddressListGroupService addressListGroupService;
+
+    /**
+     * @description: 为班级人员标签页新增标签页分组
+     * @param: 添加標籤頁對象
+     * @return:
+     * @author feng
+     * @date: 2021/10/27 8:30
+     */
+    @PostMapping ("/{headTeacherId}")
+    @ApiOperation(value="为班级人员标签页新增标签页分组")
+    @ApiImplicitParam(name = "headTeacherId",value = "班主任id")
+    public R insertGroup(@PathVariable String headTeacherId,@RequestBody AddressListGroupDto addressListGroupDto){
+        if(headTeacherId==null){
+            throw new ParamException("参数为空");
+        }
+        //判断是否为该班的班主任
+        if (classService.whetherTheHeadTeacher(headTeacherId, addressListGroupDto.getClassId()) != 0) {
+            int result = addressListGroupService.insert(new AddressListGroup()
+                    .setClassId(addressListGroupDto.getClassId())
+                    .setGroupName(addressListGroupDto.getGroupName())
+                    .setGroupNum(addressListGroupDto.getGroupNum())
+                    .setRole(addressListGroupDto.getRole())
+                    );
+            if (result == 1) {
+                return R.ok(200, "添加成功");
+            }
+            return R.error(500, "添加失败");
+        } else {
+            return R.error(500, "用户不是本班级的班主任");
+        }
+    }
+
+    /**
+     * @description: 为班级人员标签页新增标签页分组
+     * @param: 班主任id，標籤頁id
+     * @return:
+     * @author feng
+     * @date: 2021/10/27 8:30
+     */
+    @DeleteMapping ("/{headTeacherId}/{groupId}")
+    @ApiOperation(value="根据标签页id删除标签页分组")
+    @ApiImplicitParams({
+        @ApiImplicitParam(name = "headTeacherId",value = "班主任id"),
+        @ApiImplicitParam(name = "groupId",value = "标签页id")}
+    )
+    public R deleteGroup(@PathVariable String headTeacherId,@PathVariable String groupId){
+        if(headTeacherId==null || groupId==null){
+            throw new ParamException("参数为空");
+        }
+        //根据标签页id查询班级id
+        String classId = addressListGroupService.selectClassIdByID(groupId).getClassId();
+        //判断是否为该班的班主任
+        if (classService.whetherTheHeadTeacher(headTeacherId,classId) != 0) {
+            boolean result = addressListGroupService.removeById(groupId);
+            if (result) {
+                return R.ok(200, "刪除成功");
+            }
+            return R.error(500, "刪除失败");
+        } else {
+            return R.error(500, "用户不是本班级的班主任");
+        }
+    }
+
+
+    /**
+     * @description: 根据班级id查询班级标签页分组
+     * @param:
+     * @return:
+     * @author feng
+     * @date: 2021/10/27 8:30
+     */
+    @GetMapping ("/{classId}")
+    @ApiOperation(value="根据班级id删除标签页分组")
+    @ApiImplicitParam(name = "classId",value = "班級id")
+    public R selectByClassId(@PathVariable String classId){
+        if( classId == null){
+            throw new ParamException("参数为空");
+        }
+        QueryWrapper<AddressListGroup> queryWrapper =new QueryWrapper<>();
+        queryWrapper.in("class_id",classId);
+        List<AddressListGroup> list = addressListGroupService.list(queryWrapper);
+        if(list.size()>=1){
+            Map map = new HashMap();
+            map.put("data",list);
+            return R.ok(200,"查詢成功",map);
+        }
+        return R.ok(200,"查询到0条记录");
+    }
+
+    /**
+     * @description: 根据班级id查询班级标签页分组
+     * @param:
+     * @return:
+     * @author feng
+     * @date: 2021/10/27 8:30
+     */
+    @GetMapping ("/{role}/{groupId}/")
+    @ApiOperation(value="根据标签页id删除标签页分组")
+    @ApiImplicitParams({
+    @ApiImplicitParam(name = "role",value = "身份(教师1，学生2)"),
+    @ApiImplicitParam(name = "groupId",value = "id")})
+    public R selectByGroupId(@PathVariable String role,  @PathVariable String groupId){
+        if( role == null ||groupId == null){
+            throw new ParamException("参数为空");
+        }
+        AddressListGroup addressListGroup = addressListGroupService.selectClassIdByID(groupId);
+        if (addressListGroup==null){
+            return R.error(500,"查询失败");
+        }
+        String classId = addressListGroup.getClassId();
+        Map map =new HashMap();
+//        获取学生对象合集
+        List<StudentGroupVO> studentList = addressListGroupService.selectStudentGroup(classId);
+
+//        获取教师对象合集
+        List<TeacherGroupVO> teacherList = addressListGroupService.selectTeacherGroup(classId);
+
+//        获取家长对象合集
+        if(role.equals("1")){
+            List<ParentGroupVO> parentList = addressListGroupService.selectParentGroupVO(classId);
+            map.put("parentList",parentList);
+
+        }
+
+        map.put("studentList",studentList);
+        map.put("teacherList",teacherList);
+
+        return R.ok(200,map);
+
+//        return R.ok(200,"查询到0条记录");
+    }
+
+
+
+
+
+
 }
 
diff --git a/src/main/java/com/mobile_education_platform/controller/ClassSubjectController.java b/src/main/java/com/mobile_education_platform/controller/ClassSubjectController.java
index d1d3b3247e76911623a8723bb4fa0393ae229eb8..c297e3e51628610470b859d388fead04d5ae273e 100644
--- a/src/main/java/com/mobile_education_platform/controller/ClassSubjectController.java
+++ b/src/main/java/com/mobile_education_platform/controller/ClassSubjectController.java
@@ -25,8 +25,6 @@ import org.springframework.web.bind.annotation.*;
 @RequestMapping("/class-subject")
 @Api(tags = "前台班级学科管理")
 public class ClassSubjectController {
-    @Autowired
-    private StudentClassService studentClassService;
 
     @Autowired
     private ClassService classService;
diff --git a/src/main/java/com/mobile_education_platform/controller/StudentClassController.java b/src/main/java/com/mobile_education_platform/controller/StudentClassController.java
index 5e9a8b339683026f11d98b8341adc06da0a0ed71..8a2333bda6ef7596e2498dbe654b24ddc9723185 100644
--- a/src/main/java/com/mobile_education_platform/controller/StudentClassController.java
+++ b/src/main/java/com/mobile_education_platform/controller/StudentClassController.java
@@ -1,10 +1,17 @@
 package com.mobile_education_platform.controller;
 
 
+import com.mobile_education_platform.common.ParamException;
+import com.mobile_education_platform.common.R;
+import com.mobile_education_platform.pojo.StudentClass;
+import com.mobile_education_platform.pojo.dto.StudentClassDto;
+import com.mobile_education_platform.service.ClassService;
+import com.mobile_education_platform.service.StudentClassService;
 import io.swagger.annotations.Api;
-import org.springframework.web.bind.annotation.RequestMapping;
-
-import org.springframework.web.bind.annotation.RestController;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
 
 /**
  * <p>
@@ -16,8 +23,47 @@ import org.springframework.web.bind.annotation.RestController;
  */
 @RestController
 @RequestMapping("/student-class")
-@Api(tags = "")
+@Api(tags = "前台学生班级管理")
 public class StudentClassController {
 
+    @Autowired
+    private StudentClassService studentClassService;
+
+    @Autowired
+    private ClassService classService;
+    /**
+     * @description:  添加学生班级信息
+     * @param: 学生班级对象
+     * @return:  是否添加成功
+     * @author feng
+     * @date: 2021/10/26 16:04
+     */
+    @PostMapping("/{headTeacherId}")
+    @ApiOperation(value="添加学生班级信息",httpMethod = "POST")
+    @ApiImplicitParam(name = "headTeacherId",value = "班主任id")
+    public R insert(@PathVariable String headTeacherId, @RequestBody(required = false) StudentClassDto studentClassDto){
+        if(studentClassDto==null){
+            throw new ParamException("参数为空");
+        }
+        //判断是否为该班的班主任
+        if (classService.whetherTheHeadTeacher(headTeacherId, studentClassDto.getClassId()) != 0) {
+            //判断此同學是否已是同年级下其他班的学生
+            Boolean isExistOrderClass = studentClassService.selectIsExistOrtherClassOnOneGrade(studentClassDto);
+            if (isExistOrderClass == false) {
+                return R.error(500, "添加失败,该学生已在同年级加入其他班级");
+            }
+            int result = studentClassService.insert(new StudentClass()
+                    .setClassId(studentClassDto.getClassId())
+                    .setStudentId(studentClassDto.getStudentId())
+            );
+            if (result == 1) {
+                return R.ok(200, "添加成功");
+            }
+            return R.error(500, "添加失败");
+        } else {
+            return R.error(500, "用户不是本班级的班主任");
+        }
+    }
+
 }
 
diff --git a/src/main/java/com/mobile_education_platform/mapper/AddressListGroupMapper.java b/src/main/java/com/mobile_education_platform/mapper/AddressListGroupMapper.java
index 68464f39cde7f1164bb59d8cc2493b95442d40e3..a3b274b20f4c7d2ce25d5cbd81e7ebdb5f4dbc99 100644
--- a/src/main/java/com/mobile_education_platform/mapper/AddressListGroupMapper.java
+++ b/src/main/java/com/mobile_education_platform/mapper/AddressListGroupMapper.java
@@ -2,8 +2,13 @@ package com.mobile_education_platform.mapper;
 
 import com.mobile_education_platform.pojo.AddressListGroup;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.mobile_education_platform.pojo.vo.ParentGroupVO;
+import com.mobile_education_platform.pojo.vo.StudentGroupVO;
+import com.mobile_education_platform.pojo.vo.TeacherGroupVO;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 /**
  * <p>
  *  Mapper 接口
@@ -15,4 +20,9 @@ import org.springframework.stereotype.Repository;
 @Repository
 public interface AddressListGroupMapper extends BaseMapper<AddressListGroup> {
 
+    List<StudentGroupVO> selectStudentGroupByClassId(String classId);
+
+    List<TeacherGroupVO> selectTeacherGroupByClassId(String classId);
+
+    List<ParentGroupVO> selectParentGroupByClassId(String classId);
 }
diff --git a/src/main/java/com/mobile_education_platform/pojo/dto/AddressListGroupDto.java b/src/main/java/com/mobile_education_platform/pojo/dto/AddressListGroupDto.java
new file mode 100644
index 0000000000000000000000000000000000000000..0f55ce142b5a7232d55ed30324a496d24770a65b
--- /dev/null
+++ b/src/main/java/com/mobile_education_platform/pojo/dto/AddressListGroupDto.java
@@ -0,0 +1,47 @@
+package com.mobile_education_platform.pojo.dto;
+
+import com.baomidou.mybatisplus.annotation.FieldFill;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * <p>
+ * 
+ * </p>
+ *
+ * @author 元架構
+ * @since 2021-10-25
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Accessors(chain = true)
+@ApiModel(value="AddressListGroupDto对象", description="")
+public class AddressListGroupDto implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "分组名称")
+    private String groupName;
+
+    @ApiModelProperty(value = "分组人数")
+    private Integer groupNum;
+
+    @ApiModelProperty(value = "分组类型（1教师、2学生、3家长）")
+    private Integer role;
+
+    @ApiModelProperty(value = "班级id")
+    private String classId;
+
+
+}
diff --git a/src/main/java/com/mobile_education_platform/pojo/vo/ParentGroupVO.java b/src/main/java/com/mobile_education_platform/pojo/vo/ParentGroupVO.java
new file mode 100644
index 0000000000000000000000000000000000000000..b687b226f5e153700491d89f5edaaf4253e86e1c
--- /dev/null
+++ b/src/main/java/com/mobile_education_platform/pojo/vo/ParentGroupVO.java
@@ -0,0 +1,58 @@
+package com.mobile_education_platform.pojo.vo;
+
+import com.baomidou.mybatisplus.annotation.FieldFill;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * <p>
+ * 
+ * </p>
+ *
+ * @author 元架構
+ * @since 2021-10-25
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Accessors(chain = true)
+@ApiModel(value="Parent通讯录对象", description="")
+public class ParentGroupVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "家长id")
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
+    private String pid;
+
+    @ApiModelProperty(value = "中文名")
+    @TableField("name_CN")
+    private String nameCn;
+
+    @ApiModelProperty(value = "外文名")
+    @TableField("name_PT")
+    private String namePt;
+
+    @ApiModelProperty(value = "家长编号")
+    private String number;
+
+    @ApiModelProperty(value = "个人照片")
+    private String photo;
+
+    @ApiModelProperty(value = "联系电话")
+    private String phone;
+
+
+
+
+}
diff --git a/src/main/java/com/mobile_education_platform/pojo/vo/StudentGroupVO.java b/src/main/java/com/mobile_education_platform/pojo/vo/StudentGroupVO.java
new file mode 100644
index 0000000000000000000000000000000000000000..a4179a1ba9cecbb3b039e2900f996907fc1bf79c
--- /dev/null
+++ b/src/main/java/com/mobile_education_platform/pojo/vo/StudentGroupVO.java
@@ -0,0 +1,45 @@
+package com.mobile_education_platform.pojo.vo;
+
+
+import com.baomidou.mybatisplus.annotation.FieldFill;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.Date;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Accessors(chain = true)
+@ApiModel(value="学生通讯录对象", description="")
+public class StudentGroupVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "学生id")
+    @TableId(value = "sid", type = IdType.ASSIGN_ID)
+    private String sid;
+
+    @ApiModelProperty(value = "中文名")
+    @TableField("name_CN")
+    private String nameCn;
+
+    @ApiModelProperty(value = "外文名")
+    @TableField("name_PT")
+    private String namePt;
+
+    @ApiModelProperty(value = "联系电话")
+    private String phone;
+
+    @ApiModelProperty(value = "个人照片")
+    private String photo;
+
+}
diff --git a/src/main/java/com/mobile_education_platform/pojo/vo/TeacherGroupVO.java b/src/main/java/com/mobile_education_platform/pojo/vo/TeacherGroupVO.java
new file mode 100644
index 0000000000000000000000000000000000000000..5bc63b16bed3e727aa10f9e378a550ad515323d9
--- /dev/null
+++ b/src/main/java/com/mobile_education_platform/pojo/vo/TeacherGroupVO.java
@@ -0,0 +1,43 @@
+package com.mobile_education_platform.pojo.vo;
+
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Accessors(chain = true)
+@ApiModel(value="教师通讯录对象", description="")
+public class TeacherGroupVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "教师id")
+    @TableId(value = "sid", type = IdType.ASSIGN_ID)
+    private String tid;
+
+    @ApiModelProperty(value = "中文名")
+    @TableField("name_CN")
+    private String nameCn;
+
+    @ApiModelProperty(value = "外文名")
+    @TableField("name_PT")
+    private String namePt;
+
+    @ApiModelProperty(value = "联系电话")
+    private String phone;
+
+    @ApiModelProperty(value = "个人照片")
+    private String photo;
+
+}
diff --git a/src/main/java/com/mobile_education_platform/service/AddressListGroupService.java b/src/main/java/com/mobile_education_platform/service/AddressListGroupService.java
index 882b42a9c8cd7155cf5eb086366008edf4a4310c..d70576ff095d12c81c5891adc73d610912f7fa70 100644
--- a/src/main/java/com/mobile_education_platform/service/AddressListGroupService.java
+++ b/src/main/java/com/mobile_education_platform/service/AddressListGroupService.java
@@ -2,6 +2,11 @@ package com.mobile_education_platform.service;
 
 import com.mobile_education_platform.pojo.AddressListGroup;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.mobile_education_platform.pojo.vo.ParentGroupVO;
+import com.mobile_education_platform.pojo.vo.StudentGroupVO;
+import com.mobile_education_platform.pojo.vo.TeacherGroupVO;
+
+import java.util.List;
 
 /**
  * <p>
@@ -13,4 +18,13 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
 public interface AddressListGroupService extends IService<AddressListGroup> {
 
+    int insert(AddressListGroup addressListGroup);
+
+    AddressListGroup selectClassIdByID(String groupId);
+
+    List<StudentGroupVO> selectStudentGroup(String classId);
+
+    List<TeacherGroupVO> selectTeacherGroup(String classId);
+
+    List<ParentGroupVO> selectParentGroupVO(String classId);
 }
diff --git a/src/main/java/com/mobile_education_platform/service/impl/AddressListGroupServiceImpl.java b/src/main/java/com/mobile_education_platform/service/impl/AddressListGroupServiceImpl.java
index e1b01c77be3a0b9022502adfcdaa9d23952b4fe0..027528f15d43e0053069ff67ade914fd16bb8989 100644
--- a/src/main/java/com/mobile_education_platform/service/impl/AddressListGroupServiceImpl.java
+++ b/src/main/java/com/mobile_education_platform/service/impl/AddressListGroupServiceImpl.java
@@ -2,10 +2,16 @@ package com.mobile_education_platform.service.impl;
 
 import com.mobile_education_platform.pojo.AddressListGroup;
 import com.mobile_education_platform.mapper.AddressListGroupMapper;
+import com.mobile_education_platform.pojo.vo.ParentGroupVO;
+import com.mobile_education_platform.pojo.vo.StudentGroupVO;
+import com.mobile_education_platform.pojo.vo.TeacherGroupVO;
 import com.mobile_education_platform.service.AddressListGroupService;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 /**
  * <p>
  *  服务实现类
@@ -17,4 +23,31 @@ import org.springframework.stereotype.Service;
 @Service
 public class AddressListGroupServiceImpl extends ServiceImpl<AddressListGroupMapper, AddressListGroup> implements AddressListGroupService {
 
+    @Autowired
+    private AddressListGroupMapper addressListGroupMapper;
+
+    @Override
+    public int insert(AddressListGroup addressListGroup) {
+        return addressListGroupMapper.insert(addressListGroup);
+    }
+
+    @Override
+    public AddressListGroup selectClassIdByID(String groupId) {
+        return addressListGroupMapper.selectById(groupId);
+    }
+
+    @Override
+    public List<StudentGroupVO> selectStudentGroup(String classId) {
+        return addressListGroupMapper.selectStudentGroupByClassId(classId);
+    }
+
+    @Override
+    public List<TeacherGroupVO> selectTeacherGroup(String classId) {
+        return addressListGroupMapper.selectTeacherGroupByClassId(classId);
+    }
+
+    @Override
+    public List<ParentGroupVO> selectParentGroupVO(String classId) {
+        return addressListGroupMapper.selectParentGroupByClassId(classId);
+    }
 }
diff --git a/src/main/resources/mapper/AddressListGroupMapper.xml b/src/main/resources/mapper/AddressListGroupMapper.xml
index 5e795517c012d3ac76220876d3298f0e9c17238e..8ed7690176f35f984fb471664e4dbfc584dfad27 100644
--- a/src/main/resources/mapper/AddressListGroupMapper.xml
+++ b/src/main/resources/mapper/AddressListGroupMapper.xml
@@ -2,4 +2,35 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.mobile_education_platform.mapper.AddressListGroupMapper">
 
+
+    <select id="selectStudentGroupByClassId" resultType="com.mobile_education_platform.pojo.vo.StudentGroupVO">
+        select
+            s.id as sid, s.name_CN as nameCn, s.name_PT as namePT, s.phone as phone, (select photo from student_detail where student_id = s.id) as photo
+        from student_class sc
+                 inner join student s on sc.student_id =s.id
+        where sc.class_id=#{classId}
+    </select>
+
+    <select id="selectTeacherGroupByClassId" resultType="com.mobile_education_platform.pojo.vo.TeacherGroupVO">
+        select
+            t.id as tid, t.name_CN as nameCn, t.name_PT as namePT, (select phone from teacher_detail where teacher_id = t.id) as phone, (select photo from teacher_detail where teacher_id = t.id) as photo
+        from teacher_class_subject tcs
+                 inner join teacher t on tcs.teacher_id = t.id
+        where tcs.class_id=#{classId}
+    </select>
+
+    <select id="selectParentGroupByClassId" resultType="com.mobile_education_platform.pojo.vo.ParentGroupVO">
+        SELECT
+            p.id AS pid,
+            p.name_CN AS nameCn,
+            p.name_PT AS namePT,
+            p.phone AS phone,
+            p.phone AS photo
+        FROM
+            student_class sc
+                INNER JOIN student s ON sc.student_id = s.id
+                INNER JOIN parent p ON s.student_parents_id =p.id
+        WHERE
+            sc.class_id = #{classId}
+    </select>
 </mapper>