基于SpringBoot整合SSMP案例(开启日志与分页查询条件查询功能实现)

mybatis-plus:
  global-config:
    db-config:
      table-prefix: tb_
      id-type: auto
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

@Test
    void testPage(){
        IPage page = new Page(2,2);
        bookDao.selectPage(page,null);
        System.out.println(page.getRecords());
    }

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class MyConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
        mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor());
        return mybatisPlusInterceptor;
    }
}

@Test
    void testPage(){
        IPage page = new Page(1,2);
        bookDao.selectPage(page,null);
        System.out.println(page.getRecords());
    }

QueryWrapper<User> queryWrapper = new QueryWrapper<>();
queryWrapper.eq("name", "张三")
            .ne("age", 20)
            .like("email", "test")
            .orderByAsc("age");

SELECT * FROM user WHERE name = '张三' AND age != 20 AND email LIKE '%test%' ORDER BY age ASC;

@Test
    void testGetBy(){
        QueryWrapper<Book> queryWrapper = new QueryWrapper<>();
        queryWrapper.like("name","Spring");
        List list = bookDao.selectList(queryWrapper);
    }

LambdaQueryWrapper<User> lambdaQuery = new QueryWrapper<User>().lambda();
lambdaQuery.eq(User::getName, "张三")
           .ne(User::getAge, 20)
           .like(User::getEmail, "test")
           .orderByAsc(User::getAge);

SELECT * FROM user WHERE name = '张三' AND age != 20 AND email LIKE '%test%' ORDER BY age ASC;

@Test
    void testGetBy2(){
        LambdaQueryWrapper<Book> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(Book::getName,"Spring");
        List list = bookDao.selectList(queryWrapper);
    }