MyMapper.java 从 utils 包移到 util 下

spring-boot-demo-mybatis/src/main/java/com/xkcoding/springbootdemomybatis/mapper/MybatisUserMapper.java

@@ -1,7 +1,7 @@
 package com.xkcoding.springbootdemomybatis.mapper;
 
 import com.xkcoding.springbootdemomybatis.model.MybatisUser;
-import com.xkcoding.springbootdemomybatis.utils.MyMapper;
+import com.xkcoding.springbootdemomybatis.util.MyMapper;
 import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Component;
 

spring-boot-demo-mybatis/src/main/java/com/xkcoding/springbootdemomybatis/utils/MyMapper.java → spring-boot-demo-mybatis/src/main/java/com/xkcoding/springbootdemomybatis/util/MyMapper.java

@@ -1,4 +1,4 @@
-package com.xkcoding.springbootdemomybatis.utils;
+package com.xkcoding.springbootdemomybatis.util;
 
 import tk.mybatis.mapper.common.Mapper;
 import tk.mybatis.mapper.common.MySqlMapper;

spring-boot-demo-mybatis/src/main/resources/application.yml

@@ -2,6 +2,8 @@ server:
   port: 8080
   context-path: /demo
 spring:
+  jackson:
+    default-property-inclusion: non_null
   datasource:
     # 启动时自动运行的 SQL 文件
     schema: classpath:init-sql/schema.sql
@@ -55,7 +57,7 @@ mybatis:
 mapper:
   not-empty: false
   identity: MYSQL
-  mappers: com.xkcoding.springbootdemomybatis.utils.MyMapper
+  mappers: com.xkcoding.springbootdemomybatis.util.MyMapper
 #PageHelper 配置
 pagehelper:
   helper-dialect: mysql