2.22.4、测试

package com.wzy.bootmtp.test;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.wzy.bootmtp.mapper.UserMapper;
import com.wzy.bootmtp.pojo.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
@RunWith(SpringRunner.class)
@SpringBootTest
public class TestSpringBoot {
    @Autowired
    private UserMapper userMapper;
    @Test
    public void test2(){
        Page<User> page = new Page<>(1,5);
        userMapper.selectPage(page, null);
        page.getRecords().forEach(System.out::println);
        System.out.println("当前页：" + page.getCurrent());
        System.out.println("总页码：" + page.getPages());
        System.out.println("每页显示数据的个数：" + page.getSize());
        System.out.println("总记录数：" + page.getTotal());
        System.out.println("是否有下一页：" + page.hasNext());
        System.out.println("是否有上一页：" + page.hasPrevious());
    }
}

如果执行时间过长，则抛出异常：The SQL execution time is too large,
输出