MyBatisPlus插件的学习

简化开发, 活用插件. 拥抱变化,持续学习.

首先是配置1:

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.2.0</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>

配置2 :

server:
  port: 8008
  servlet:
    context-path: /mp
spring:
  datasource:
    username: root
    password: 123
    url: jdbc:mysql://127.0.0.1:3306/mp?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=utf-8
    driver-class-name: com.mysql.cj.jdbc.Driver
logging:
  level:
    root: warn
    com.example.demo.dao: trace
  pattern:
    console: '%p%m%n'
#xml自定义sql
mybatis-plus:
  mapper-locations:
  - com/example/demo/mapper/*

常用注解 @TableName 类名<===>表名

                @TableId  主键映射

                @TableField 列名映射    ps (驼峰命名对应_, managerId <==>  manager_id)