4-23-小组

ruoyi-application/src/main/java/com/ruoyi/web/controller/school/SysClassController.java

@@ -1,31 +1,36 @@
 package com.ruoyi.web.controller.school;
 
+import java.util.List;
+import javax.servlet.http.HttpServletResponse;
+
+import io.swagger.annotations.*;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
 import com.ruoyi.common.core.domain.Result;
-import com.ruoyi.common.core.page.TableDataInfo;
 import com.ruoyi.common.enums.BusinessType;
-import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.school.domain.SysClass;
-import com.ruoyi.school.domain.req.SysClassEditReq;
 import com.ruoyi.school.domain.req.SysClassQueryReq;
 import com.ruoyi.school.domain.req.SysClassSaveReq;
+import com.ruoyi.school.domain.req.SysClassEditReq;
 import com.ruoyi.school.service.SysClassService;
-import io.swagger.annotations.Api;
+import com.ruoyi.common.utils.poi.ExcelUtil;
-import io.swagger.annotations.ApiImplicitParam;
+import com.ruoyi.common.core.page.TableDataInfo;
-import io.swagger.annotations.ApiOperation;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.access.prepost.PreAuthorize;
-import org.springframework.web.bind.annotation.*;
-
-import javax.servlet.http.HttpServletResponse;
-import java.util.List;
 
 /**
  * 班级管理Controller
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Api(tags = "班级管理")
 @RestController
@@ -46,6 +51,14 @@ public class SysClassController extends BaseController {
         return getDataTable(list);
     }
 
+    /**
+     * 无条件差查询班级管理
+     */
+    @GetMapping("/findUnconditional")
+    public Result findUnconditional(){
+        return getDataTable(sysClassService.list());
+    }
+
     /**
      * 导出班级管理列表
      */

ruoyi-application/src/main/java/com/ruoyi/web/controller/school/SysGroupController.java

@@ -0,0 +1,83 @@
+package com.ruoyi.web.controller.school;
+
+import java.util.List;
+import javax.servlet.http.HttpServletResponse;
+
+import io.swagger.annotations.*;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.common.annotation.Log;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.Result;
+import com.ruoyi.common.enums.BusinessType;
+import com.ruoyi.school.domain.SysGroup;
+import com.ruoyi.school.domain.req.SysGroupQueryReq;
+import com.ruoyi.school.domain.req.SysGroupSaveReq;
+import com.ruoyi.school.domain.req.SysGroupEditReq;
+import com.ruoyi.school.service.SysGroupService;
+import com.ruoyi.common.utils.poi.ExcelUtil;
+import com.ruoyi.common.core.page.TableDataInfo;
+
+/**
+ * 小组管理Controller
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Api(tags = "小组管理")
+@RestController
+@RequestMapping("/group/group")
+public class SysGroupController extends BaseController {
+
+    @Autowired
+    private SysGroupService sysGroupService;
+
+    /**
+     * 查询小组管理列表
+     */
+    @ApiOperation("获取小组管理列表")
+    @GetMapping("/list")
+    public Result<TableDataInfo<SysGroup>> list(SysGroupQueryReq sysGroupQueryReq) {
+        startPage();
+        List<SysGroup> list = sysGroupService.list(sysGroupQueryReq);
+        return getDataTable(list);
+    }
+
+    /**
+     * 新增小组
+     */
+    @PostMapping("/saveGroup")
+    public Result<String> add(@RequestBody SysGroupSaveReq sysGroupSaveReq) {
+        return toAjax(sysGroupService.save(SysGroup.saveBuild(sysGroupSaveReq)));
+    }
+
+    /**
+     * 删除小组管理
+     */
+    @Log(title = "小组管理", businessType = BusinessType.DELETE)
+    @DeleteMapping("/{groupIds}")
+    @ApiOperation("删除小组管理")
+    public Result<String> remove(@PathVariable List<Long> groupIds) {
+        return toAjax(sysGroupService.removeBatchByIds(groupIds));
+    }
+
+
+
+    /**
+     * 修改小组管理
+     */
+    @Log(title = "小组管理", businessType = BusinessType.UPDATE)
+    @PutMapping("/{groupId}")
+    @ApiOperation("修改小组管理")
+    public Result<String> edit(@PathVariable Long groupId, @RequestBody SysGroupEditReq sysGroupEditReq) {
+        return toAjax(sysGroupService.updateById(SysGroup.editBuild(groupId,sysGroupEditReq)));
+    }
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/SysClass.java

@@ -3,24 +3,23 @@ package com.ruoyi.school.domain;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.ruoyi.common.annotation.Excel;
-import com.ruoyi.common.core.domain.BaseEntity;
-import com.ruoyi.school.domain.req.SysClassEditReq;
-import com.ruoyi.school.domain.req.SysClassQueryReq;
-import com.ruoyi.school.domain.req.SysClassSaveReq;
-import io.swagger.annotations.ApiModel;
-import io.swagger.annotations.ApiModelProperty;
-import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
 import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.school.domain.req.SysClassQueryReq;
+import com.ruoyi.school.domain.req.SysClassSaveReq;
+import com.ruoyi.school.domain.req.SysClassEditReq;
+import com.ruoyi.common.core.domain.BaseEntity;
 
 /**
  * 班级管理对象 sys_class
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Data
 @SuperBuilder

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/SysGroup.java

@@ -0,0 +1,96 @@
+package com.ruoyi.school.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.school.domain.req.SysGroupQueryReq;
+import com.ruoyi.school.domain.req.SysGroupSaveReq;
+import com.ruoyi.school.domain.req.SysGroupEditReq;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 小组管理对象 sys_group
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("sys_group")
+@EqualsAndHashCode(callSuper = true)
+@ApiModel(value = "SysGroup", description = "小组管理")
+public class SysGroup extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /** 小组ID */
+    @TableId(value = "group_id",type = IdType.AUTO)
+    @ApiModelProperty(name = "小组ID", value = "小组ID")
+    private Long groupId;
+
+    /** 小组名称 */
+    @Excel(name = "小组名称")
+    @ApiModelProperty(name = "小组名称", value = "小组名称")
+    private String groupName;
+
+    /** 小组人数 */
+    @Excel(name = "小组人数")
+    @ApiModelProperty(name = "小组人数", value = "小组人数")
+    private Long groupPeople;
+
+    /** 小组人员 */
+    @Excel(name = "小组人员")
+    @ApiModelProperty(name = "小组人员", value = "小组人员")
+    private String groupPersonnel;
+
+    /** 班级ID */
+    @Excel(name = "班级ID")
+    @ApiModelProperty(name = "班级ID", value = "班级ID")
+    private Long classId;
+
+    /**
+    * 查询构造器
+    */
+    public static SysGroup queryBuild( SysGroupQueryReq sysGroupQueryReq){
+        return SysGroup.builder()
+                .groupName(sysGroupQueryReq.getGroupName())
+                .groupPeople(sysGroupQueryReq.getGroupPeople())
+                .classId(sysGroupQueryReq.getClassId())
+                .build();
+    }
+
+    /**
+    * 添加构造器
+    */
+    public static SysGroup saveBuild(SysGroupSaveReq sysGroupSaveReq){
+        return SysGroup.builder()
+                .groupName(sysGroupSaveReq.getGroupName())
+                .groupPeople(sysGroupSaveReq.getGroupPeople())
+                .groupPersonnel(sysGroupSaveReq.getGroupPersonnel())
+                .classId(sysGroupSaveReq.getClassId())
+                .build();
+    }
+
+    /**
+    * 修改构造器
+    */
+    public static SysGroup editBuild(Long groupId, SysGroupEditReq sysGroupEditReq){
+        return SysGroup.builder()
+            .groupId(groupId)
+                .groupName(sysGroupEditReq.getGroupName())
+                .groupPeople(sysGroupEditReq.getGroupPeople())
+                .groupPersonnel(sysGroupEditReq.getGroupPersonnel())
+                .classId(sysGroupEditReq.getClassId())
+                .build();
+    }
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysClassEditReq.java

@@ -1,18 +1,21 @@
 package com.ruoyi.school.domain.req;
 
-import com.ruoyi.common.core.domain.BaseEntity;
+import com.baomidou.mybatisplus.annotation.TableId;
-import io.swagger.annotations.ApiModel;
+import com.baomidou.mybatisplus.annotation.TableName;
-import io.swagger.annotations.ApiModelProperty;
-import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
 import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
 
 /**
  * 班级管理对象 sys_class
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Data
 @SuperBuilder

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysClassQueryReq.java

@@ -1,18 +1,21 @@
 package com.ruoyi.school.domain.req;
 
-import com.ruoyi.common.core.domain.BaseEntity;
+import com.baomidou.mybatisplus.annotation.TableId;
-import io.swagger.annotations.ApiModel;
+import com.baomidou.mybatisplus.annotation.TableName;
-import io.swagger.annotations.ApiModelProperty;
-import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
 import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
 
 /**
  * 班级管理对象 sys_class
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Data
 @SuperBuilder

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysClassSaveReq.java

@@ -1,18 +1,21 @@
 package com.ruoyi.school.domain.req;
 
-import com.ruoyi.common.core.domain.BaseEntity;
+import com.baomidou.mybatisplus.annotation.TableId;
-import io.swagger.annotations.ApiModel;
+import com.baomidou.mybatisplus.annotation.TableName;
-import io.swagger.annotations.ApiModelProperty;
-import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
 import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
 
 /**
  * 班级管理对象 sys_class
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Data
 @SuperBuilder

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysGroupEditReq.java

@@ -0,0 +1,45 @@
+package com.ruoyi.school.domain.req;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 小组管理对象 sys_group
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@ApiModel(value = "SysGroupEditReq", description = "小组管理")
+public class SysGroupEditReq extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /** 小组名称 */
+    @ApiModelProperty(name = "小组名称", value = "小组名称")
+    private String groupName;
+
+    /** 小组人数 */
+    @ApiModelProperty(name = "小组人数", value = "小组人数")
+    private Long groupPeople;
+
+    /** 小组人员 */
+    @ApiModelProperty(name = "小组人员", value = "小组人员")
+    private String groupPersonnel;
+
+    /** 班级ID */
+    @ApiModelProperty(name = "班级ID", value = "班级ID")
+    private Long classId;
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysGroupQueryReq.java

@@ -0,0 +1,41 @@
+package com.ruoyi.school.domain.req;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 小组管理对象 sys_group
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@ApiModel(value = "SysGroupQueryReq", description = "小组管理")
+public class SysGroupQueryReq extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /** 小组名称 */
+    @ApiModelProperty(name = "小组名称", value = "小组名称")
+    private String groupName;
+
+    /** 小组人数 */
+    @ApiModelProperty(name = "小组人数", value = "小组人数")
+    private Long groupPeople;
+
+    /** 班级ID */
+    @ApiModelProperty(name = "班级ID", value = "班级ID")
+    private Long classId;
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/domain/req/SysGroupSaveReq.java

@@ -0,0 +1,54 @@
+package com.ruoyi.school.domain.req;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+import lombok.experimental.SuperBuilder;
+import io.swagger.annotations.*;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 小组管理对象 sys_group
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@ApiModel(value = "SysGroupSaveReq", description = "小组管理")
+public class SysGroupSaveReq extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /** 小组ID */
+
+    @ApiModelProperty(name = "小组ID", value = "小组ID")
+    private Long groupId;
+
+    /** 小组名称 */
+
+    @ApiModelProperty(name = "小组名称", value = "小组名称")
+    private String groupName;
+
+    /** 小组人数 */
+
+    @ApiModelProperty(name = "小组人数", value = "小组人数")
+    private Long groupPeople;
+
+    /** 小组人员 */
+
+    @ApiModelProperty(name = "小组人员", value = "小组人员")
+    private String groupPersonnel;
+
+    /** 班级ID */
+
+    @ApiModelProperty(name = "班级ID", value = "班级ID")
+    private Long classId;
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/mapper/SysClassMapper.java

@@ -1,6 +1,6 @@
 package com.ruoyi.school.mapper;
 
-
+import java.util.List;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.ruoyi.school.domain.SysClass;
 
@@ -8,7 +8,7 @@ import com.ruoyi.school.domain.SysClass;
  * 班级管理Mapper接口
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 public interface SysClassMapper extends BaseMapper<SysClass> {
 

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/mapper/SysGroupMapper.java

@@ -0,0 +1,15 @@
+package com.ruoyi.school.mapper;
+
+import java.util.List;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.ruoyi.school.domain.SysGroup;
+
+/**
+ * 小组管理Mapper接口
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+public interface SysGroupMapper extends BaseMapper<SysGroup> {
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/service/SysClassService.java

@@ -1,16 +1,14 @@
 package com.ruoyi.school.service;
 
-
-import com.baomidou.mybatisplus.extension.service.IService;
-import com.ruoyi.school.domain.SysClass;
-
 import java.util.List;
+import com.ruoyi.school.domain.SysClass;
+import com.baomidou.mybatisplus.extension.service.IService;
 
 /**
  * 班级管理Service接口
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 public interface SysClassService extends IService<SysClass> {
     /**

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/service/SysGroupService.java

@@ -0,0 +1,23 @@
+package com.ruoyi.school.service;
+
+import java.util.List;
+import com.ruoyi.school.domain.SysGroup;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.ruoyi.school.domain.req.SysGroupQueryReq;
+
+/**
+ * 小组管理Service接口
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+public interface SysGroupService extends IService<SysGroup> {
+    /**
+     * 查询小组管理列表
+     *
+     * @param sysGroupQueryReq 小组管理
+     * @return 小组管理集合
+     */
+    public List<SysGroup> list(SysGroupQueryReq sysGroupQueryReq);
+
+}

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/service/impl/SysClassServiceImpl.java

@@ -1,22 +1,22 @@
 package com.ruoyi.school.service.impl;
 
-import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import java.util.List;
-import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.ruoyi.school.domain.SysClass;
-import com.ruoyi.school.mapper.SysClassMapper;
-import com.ruoyi.school.service.SysClassService;
-import com.ruoyi.common.utils.ObjUtils;
 
+import com.ruoyi.common.utils.ObjUtils;
+import com.ruoyi.common.utils.StringUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
-
+import com.ruoyi.school.mapper.SysClassMapper;
-import java.util.List;
+import com.ruoyi.school.domain.SysClass;
+import com.ruoyi.school.service.SysClassService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 
 /**
  * 班级管理Service业务层处理
  *
  * @author ruoyi
- * @date 2024-04-22
+ * @date 2024-04-23
  */
 @Slf4j
 @Service

ruoyi-basic/ruoyi-school/src/main/java/com/ruoyi/school/service/impl/SysGroupServiceImpl.java

@@ -0,0 +1,41 @@
+package com.ruoyi.school.service.impl;
+
+import java.util.List;
+
+import com.ruoyi.common.utils.ObjUtils;
+import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.school.domain.req.SysGroupQueryReq;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import com.ruoyi.school.mapper.SysGroupMapper;
+import com.ruoyi.school.domain.SysGroup;
+import com.ruoyi.school.service.SysGroupService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+
+/**
+ * 小组管理Service业务层处理
+ *
+ * @author ruoyi
+ * @date 2024-04-23
+ */
+@Slf4j
+@Service
+public class SysGroupServiceImpl extends ServiceImpl<SysGroupMapper, SysGroup>  implements SysGroupService {
+
+    /**
+     * 查询小组管理列表
+     *
+     * @param sysGroupQueryReq 小组管理
+     * @return 小组管理
+     */
+    @Override
+    public List<SysGroup> list(SysGroupQueryReq sysGroupQueryReq) {
+        LambdaQueryWrapper<SysGroup> queryWrapper = new LambdaQueryWrapper<>();
+
+        if (ObjUtils.notNull(sysGroupQueryReq.getClassId())){
+            queryWrapper.eq(SysGroup::getClassId, sysGroupQueryReq.getClassId());
+        }
+        return list(queryWrapper);
+    }
+}

ruoyi-basic/ruoyi-school/src/main/resources/mapper/school/SysClassMapper.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.ruoyi.school.mapper.SysClassMapper">
 
     <resultMap type="com.ruoyi.school.domain.SysClass" id="SysClassResult">

ruoyi-basic/ruoyi-school/src/main/resources/mapper/school/SysGroupMapper.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.school.mapper.SysGroupMapper">
+
+    <resultMap type="com.ruoyi.school.domain.SysGroup" id="SysGroupResult">
+        <result property="groupId"    column="group_id"    />
+        <result property="groupName"    column="group_name"    />
+        <result property="groupPeople"    column="group_people"    />
+        <result property="groupPersonnel"    column="group_personnel"    />
+        <result property="classId"    column="class_id"    />
+    </resultMap>
+
+    <sql id="selectSysGroupVo">
+        select group_id, group_name, group_people, group_personnel, class_id from sys_group
+    </sql>
+</mapper>