err in setSuperEntityColumns

pom.xml

@@ -8,13 +8,13 @@
         <version>2.5.0</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
-    <groupId>cn.core</groupId>
+    <groupId>cn</groupId>
     <artifactId>blog</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>blog</name>
     <description>Demo project for Spring Boot</description>
     <properties>
-        <java.version>11</java.version>
+        <java.version>15</java.version>
     </properties>
     <dependencies>
         <dependency>

src/main/java/CodeGenerator.java

@@ -118,7 +118,7 @@ public class CodeGenerator {
         // 公共父类
 //        strategy.setSuperControllerClass("你自己的父类控制器,没有就不用设置!");
         // 写于父类中的公共字段
-        strategy.setSuperEntityColumns("id");
+//        strategy.setSuperEntityColumns("id");
         strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
         strategy.setControllerMappingHyphenStyle(true);
         strategy.setTablePrefix(pc.getModuleName() + "_");

src/main/java/cn/blog/controller/PostController.java

@@ -11,7 +11,7 @@ import org.springframework.web.bind.annotation.RestController;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @RestController
 @RequestMapping("/post")

src/main/java/cn/blog/controller/UserController.java

@@ -15,7 +15,7 @@ import javax.annotation.Resource;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @RestController
 @RequestMapping("/user")
@@ -24,8 +24,8 @@ public class UserController {
     @Resource
     IUserService iUserService;
 
-    @GetMapping("/")
-    public Object index() {
+    @GetMapping()
+    public Object getUser() {
         return iUserService.getById(1L);
     }
 }

src/main/java/cn/blog/entity/Post.java

 package cn.blog.entity;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import java.time.LocalDateTime;
 import java.io.Serializable;
 import lombok.Data;
@@ -11,7 +13,7 @@ import lombok.EqualsAndHashCode;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @Data
 @EqualsAndHashCode(callSuper = false)
@@ -19,6 +21,9 @@ public class Post implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "id", type = IdType.AUTO)
+    private Long id;
+
     private Long userId;
 
     private String title;

src/main/java/cn/blog/entity/User.java

 package cn.blog.entity;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import java.time.LocalDateTime;
 import java.io.Serializable;
 import lombok.Data;
@@ -11,7 +13,7 @@ import lombok.EqualsAndHashCode;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @Data
 @EqualsAndHashCode(callSuper = false)
@@ -19,6 +21,9 @@ public class User implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "id", type = IdType.AUTO)
+    private Long id;
+
     private String username;
 
     private String avatar;

src/main/java/cn/blog/mapper/PostMapper.java

@@ -9,7 +9,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 public interface PostMapper extends BaseMapper<Post> {
 

src/main/java/cn/blog/mapper/UserMapper.java

@@ -9,7 +9,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 public interface UserMapper extends BaseMapper<User> {
 

src/main/java/cn/blog/service/IPostService.java

@@ -9,7 +9,7 @@ import com.baomidou.mybatisplus.extension.service.IService;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 public interface IPostService extends IService<Post> {
 

src/main/java/cn/blog/service/IUserService.java

@@ -9,7 +9,7 @@ import com.baomidou.mybatisplus.extension.service.IService;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 public interface IUserService extends IService<User> {
 

src/main/java/cn/blog/service/impl/PostServiceImpl.java

@@ -12,7 +12,7 @@ import org.springframework.stereotype.Service;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @Service
 public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements IPostService {

src/main/java/cn/blog/service/impl/UserServiceImpl.java

@@ -12,7 +12,7 @@ import org.springframework.stereotype.Service;
  * </p>
  *
  * @author core
- * @since 2021-06-07
+ * @since 2021-06-08
  */
 @Service
 public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IUserService {