package com.yyjzy.eh.test;

import com.yyjzy.annotation.*;
                            		
// 实体类通过注解映射成表

// 注解@TableName表明该类会生成表结构 可以指定value也就是表名。不指定默认为小写类名
@TableName
public class Student {

    // 注解@Property表明为表的字段 value为字段名不写为当前注解的类属性名 type为数据类型，comment为字段备注
    // isEmpty 表明这个字段是否为空 false不能为空 true可以为空
    @Property(value = "id",type = "INTEGER",comment = "主建id",isEmpty = false)
    // 注解@Index表明为主键
    @Index
    public Integer id;
    @Property(value = "name",type = "varchar(10)",comment = "用户名")
    public String name;
    // 注解 @Modify 表明需要修改的字段。type为修改为什么类型，comment 为修改的备注。
    @Modify(value = "addr1",type = "varchar(120)",comment = "地址1")
    public String addr1;
    
    // 同样的还有add注解 。。。
}


                            		
														

• EnglishApplication.java

                            		
package com.yyjzy.eh;
 
import com.yyjzy.annotation.YyjzyScan;
import com.yyjzy.databases.YyjzyApplication;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;


@SpringBootApplication
@MapperScan("com.yyjzy.eh.mapper")
// 启动类增加类和表结构映射的包扫描
@YyjzyScan("com.yyjzy.eh.test")
public class EnglishApplication {
    public static void main(String[] args) throws ClassNotFoundException {
        // 增加启动方法YyjzyApplication.run(EnglishApplication.class);
        YyjzyApplication.run(EnglishApplication.class);
        SpringApplication.run(EnglishApplication.class,args);
    }
}



                            		
														

• application.yml

                            		
#application.yaml 增加数据源。库名为url的test333
spring:
  application:
    name: yyjzy_english
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    url: jdbc:mysql://22.111.11.111:3306/test333?useUnicode=true&characterEncoding=utf-8&allowPublicKeyRetrieval=true&useSSL=false&serverTimezone=Asia/Shanghai
    username: root
    password: yyjzy
    driver-class-name: com.mysql.cj.jdbc.Driver
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8
#mapper xml文件
mybatis-plus:
  mapper-locations: classpath:mapper/*.xml
server:
  port: 9527