mybatis plus task

src/main/java/com/example/springbootdemo/controller/HelloController.java

@@ -1,8 +1,10 @@
 package com.example.springbootdemo.controller;
 
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.example.springbootdemo.entity.FootScanEntity;
 import com.example.springbootdemo.entity.FootScanGroup;
-import com.example.springbootdemo.mapper.FootScanGroupMapper;
+import com.example.springbootdemo.mapper.FootScanMapper;
 import com.example.springbootdemo.service.FootScanGroupService;
 import com.example.springbootdemo.service.FootScanService;
 import com.example.springbootdemo.zxyTeST.sql.dao.ArmGrabRepository;
@@ -28,6 +30,10 @@ public class HelloController {
     FootScanService footScanService;
     @Autowired
     FootScanGroupService footScanGroupService;
+    @Autowired
+    FootScanMapper footScanMapper;
+
+
     @RequestMapping("/hello")
     public void hello() {
         List<Color> listColors = colorRepository.findByColorId(2314);
@@ -52,19 +58,29 @@ public class HelloController {
 
     }
     @RequestMapping("mybatis")
-    public List<FootScanEntity> getById(@RequestParam("foot_scan_id") Long foot_scan_id) {
+    public FootScanEntity getById(@RequestParam("foot_scan_id") Long foot_scan_id) {
         return footScanService.getFootScanById(foot_scan_id);
 
     }
     @RequestMapping("mybatis1")
     public FootScanGroup getFootScanGroup(@RequestParam("foot_scan_group_id") Long foot_scan_group_id) {
-        return footScanGroupService.findByFootScanGroupId(foot_scan_group_id);
+        return footScanGroupService.getById(foot_scan_group_id);
     }
     @RequestMapping(value = "/mybatis2",method = RequestMethod.POST)
     public FootScanGroup addFootScanGroup(@RequestBody FootScanGroup footScanGroup) {
-        footScanGroupService.addFootScanGroup(footScanGroup);
+        footScanGroupService.save(footScanGroup);
         return footScanGroup;
     }
+    @RequestMapping("mybatis3")
+    public FootScanEntity getFootScanInfo(@RequestParam("foot_scan_id") Long foot_scan_id) {
+        return  footScanMapper.queryFootScanInfo(foot_scan_id);
+    }
+    @RequestMapping("mybatis4")
+    public List<FootScanEntity> getFootScanListPage() {
+        Page<FootScanEntity> footScanEntityPage = new Page<>(1,20);
+        footScanService.page(footScanEntityPage,null);
+        return  footScanEntityPage.getRecords();
+    }
 
 }
 

src/main/java/com/example/springbootdemo/controller/MybatisPlusController.java

@@ -1,5 +1,6 @@
 package com.example.springbootdemo.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.example.springbootdemo.entity.Device;
 import com.example.springbootdemo.mapper.DeviceMapper;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -18,8 +19,9 @@ public class MybatisPlusController {
     @Autowired
     DeviceMapper deviceMapper;
     @RequestMapping("/mybatisPlusSelect")
-    public List<Device> getDeviceList() {
-        List<Device> deviceList = deviceMapper.selectList(null);
-        return deviceList;
+    public Device getDeviceList() {
+        QueryWrapper<Device> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("device_code","19216800200306800");
+        return deviceMapper.selectOne(queryWrapper);
     }
 }

src/main/java/com/example/springbootdemo/entity/Device.java

@@ -1,5 +1,7 @@
 package com.example.springbootdemo.entity;
 
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
 import javax.persistence.GeneratedValue;
@@ -14,11 +16,11 @@ import java.sql.Timestamp;
  * @date 2021/6/1 下午3:50
  */
 @Data
-@Table(name = "wb_tbl_device")
+@TableName("wb_tbl_device")
 public class Device implements Serializable {
-    @Id
+    @TableId("device_id")
     @GeneratedValue
-    private Long deviceId;
+    private Integer deviceId;
     private String deviceCode;
     private Long companyId;
     private Timestamp runDateUtime;

src/main/java/com/example/springbootdemo/entity/FootScanEntity.java

@@ -1,5 +1,7 @@
 package com.example.springbootdemo.entity;
 
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
 import javax.persistence.Entity;
@@ -14,9 +16,10 @@ import java.io.Serializable;
  * @date 2021/5/31 下午5:14
  */
 @Data
-@Table(name = "wb_tbl_foot_scan")
+//@Table(name = "wb_tbl_foot_scan")
+@TableName("wb_tbl_foot_scan")
 public class FootScanEntity implements Serializable {
-    @Id
+    @TableId("foot_scan_id")
     @GeneratedValue
     private Integer footScanId;
     private String deviceCode;

src/main/java/com/example/springbootdemo/entity/FootScanGroup.java

@@ -1,6 +1,8 @@
 package com.example.springbootdemo.entity;
 
 
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
 
@@ -15,9 +17,10 @@ import java.io.Serializable;
  * @date 2021/6/1 上午9:45
  */
 @Data
-@Table(name = "wb_tbl_foot_scan_group")
+//@Table(name = "wb_tbl_foot_scan_group")
+@TableName("wb_tbl_foot_scan_group")
 public class FootScanGroup implements Serializable {
-    @Id
+    @TableId("foot_scan_group_id")
     @GeneratedValue
     private Long footScanGroupId;
     @JsonProperty("user_id")

src/main/java/com/example/springbootdemo/mapper/FootScanGroupMapper.java

@@ -1,5 +1,6 @@
 package com.example.springbootdemo.mapper;
 
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.example.springbootdemo.entity.FootScanGroup;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
@@ -14,7 +15,7 @@ import java.util.List;
  * @date 2021/6/1 上午9:48
  */
 @Mapper
-public interface FootScanGroupMapper {
+public interface FootScanGroupMapper extends BaseMapper<FootScanGroup> {
     @Select("SELECT foot_scan_group_id,user_id,user_name FROM wb_tbl_foot_scan_group WHERE  foot_scan_group_id = #{id}")
     FootScanGroup findByFootScanGroupId(Long id);
     @Insert("insert into wb_tbl_foot_scan_group (user_id,user_name) values (#{userId},#{userName})")

src/main/java/com/example/springbootdemo/mapper/FootScanMapper.java

@@ -1,5 +1,6 @@
 package com.example.springbootdemo.mapper;
 
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.example.springbootdemo.entity.FootScanEntity;
 import org.apache.ibatis.annotations.Mapper;
 import org.springframework.stereotype.Repository;
@@ -13,6 +14,6 @@ import java.util.List;
  */
 @Mapper
 @Repository
-public interface FootScanMapper {
-    List<FootScanEntity> queryFootScanInfo(Long foot_scan_id);
+public interface FootScanMapper extends BaseMapper<FootScanEntity> {
+    FootScanEntity queryFootScanInfo(Long foot_scan_id);
 }

src/main/java/com/example/springbootdemo/service/FootScanGroupService.java

@@ -1,23 +1,8 @@
 package com.example.springbootdemo.service;
 
+import com.baomidou.mybatisplus.extension.service.IService;
 import com.example.springbootdemo.entity.FootScanGroup;
-import com.example.springbootdemo.mapper.FootScanGroupMapper;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
-import java.util.List;
-
-@Service
-public class FootScanGroupService {
-    @Autowired
-    FootScanGroupMapper footScanGroupMapper;
-    public FootScanGroup findByFootScanGroupId(Long foot_scan_group_id) {
-        return footScanGroupMapper.findByFootScanGroupId(foot_scan_group_id);
-    }
-
-    public void addFootScanGroup(FootScanGroup footScanGroup) {
-        footScanGroupMapper.addFootScanGroup(footScanGroup);
-    }
 
+public interface FootScanGroupService extends IService<FootScanGroup> {
 
 }

src/main/java/com/example/springbootdemo/service/FootScanService.java

@@ -1,18 +1,9 @@
 package com.example.springbootdemo.service;
 
+import com.baomidou.mybatisplus.extension.service.IService;
 import com.example.springbootdemo.entity.FootScanEntity;
-import com.example.springbootdemo.mapper.FootScanMapper;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
 
-import java.util.List;
-
-@Service
-public class FootScanService {
-    @Autowired
-    FootScanMapper footScanMapper;
-    public List<FootScanEntity> getFootScanById(Long foot_scan_id) {
-        return footScanMapper.queryFootScanInfo(foot_scan_id);
-    }
 
+public interface FootScanService extends IService<FootScanEntity> {
+    FootScanEntity getFootScanById(Long foot_scan_id);
 }