FMS/src/main/java/com/example/fms/service/TestService.java

package com.example.fms.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.fms.domain.Test;
import com.example.fms.mapper.TestMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.ss.formula.functions.T;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * @Author xiexiang
 * @Date 2023/6/12
 */
@Service
@Slf4j
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class TestService extends ServiceImpl<TestMapper, Test> {

    public void add(Test test){
        test.setName("Tse");
        test.setAddress("江苏省玉山镇");
        test.setPhone("18625069786");
        test.insert();
    }

    public void update(Test test){
        test.setName("Sxy");
        test.updateById();
    }

    public List<Test> query2(){
        List<Test> tests = this.list();
        System.out.println("tests = " + tests);
        return tests;
    }

    public Test query1(String name){
        LambdaQueryWrapper<Test> LW = new LambdaQueryWrapper<>();
        LW.eq(Test::getName, name);
        Test test = this.getOne(LW);
        System.out.println("test = " + test);
        return test;
    }

    public void delete(String name){
        Test test = this.query1(name);
        test.deleteById();
    }
}