1.lombok的使用

2.Spring-mybatis-增删改查准备工作

springboot-mybatis-crud/src/main/java/com/inmind/SpringbootMybatisCrudApplication.java

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+package com.inmind;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringbootMybatisCrudApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringbootMybatisCrudApplication.class, args);
+    }
+
+}

springboot-mybatis-crud/src/main/java/com/inmind/mapper/EmpMapper.java

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+package com.inmind.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface EmpMapper {
+
+}

springboot-mybatis-crud/src/main/java/com/inmind/pojo/Emp.java

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+package com.inmind.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Emp {
+    private Integer id;//ID
+    private String username;//用户名
+    private String password;//密码
+    private String name;//姓名
+    private Short gender;//性别 1:男 2：女
+    private String image; //头像URL
+    private String job; // 职位 1:班主任 2:讲师 3:学工主管 4:教研主管 5:咨询师
+    private LocalDate entrydate; // 入职日期
+    private Integer deptId; // 部门ID
+    private LocalDateTime createTime;
+    private LocalDateTime updateTime;
+
+}

springboot-mybatis-crud/src/main/resources/application.properties

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+#下面这些内容是为了让MyBatis映射
+#指定Mybatis的Mapper文件
+mybatis.mapper-locations=classpath:mappers/*xml
+#指定Mybatis的实体目录
+mybatis.type-aliases-package=com.inmind.mybatis.entity
+
+#驱动类名称
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+#数据库连接的url
+spring.datasource.url=jdbc:mysql://localhost:3306/mybatis
+#连接数据库的用户名
+spring.datasource.username=root
+#连接数据库的密码
+spring.datasource.password=1234

springboot-mybatis-crud/src/test/java/com/inmind/SpringbootMybatisCrudApplicationTests.java

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+package com.inmind;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SpringbootMybatisCrudApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}