2.6、delete 条件删除

需求：删除姓名为“花花”，年龄为“23”性别为“女”的数据。

package com.wzy;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.plugins.Page;
import com.wzy.mapper.EmployeesMapper;
import com.wzy.pojo.Employees;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.List;
public class TestS {
    //1.读取配置文件
    private ApplicationContext applicationContext =
            new ClassPathXmlApplicationContext("applicationContext.xml");
    private EmployeesMapper employeesMapper =
            applicationContext.getBean("employeesMapper", EmployeesMapper.class);
    private Employees employees = new Employees();
    @Test
    public void  test6() throws SQLException {
        Integer delete = employeesMapper.delete(new EntityWrapper<Employees>().eq("last_name", "花花").
                and().
                eq("age", 23).
                and().
                eq("gender", 0));
        System.out.println(delete);
       // List<Employees> list = employeesMapper.selectList(new EntityWrapper<Employees>().gt("id", 0));//查询id>0的数据
        List<Employees> list = employeesMapper.selectList(new EntityWrapper<Employees>());//查询所有数据
        list.forEach(list1 -> System.out.println(list1));
    }
}