1.28、deleteByMap 根据map数据,条件删除

package com.wzy.text;
import com.baomidou.mybatisplus.plugins.Page;
import com.wzy.mapper.EmployeeMapper;
import com.wzy.pojo.Employee;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class TestS {
    ApplicationContext applicationContext =
            new ClassPathXmlApplicationContext("applicationContext.xml");
    EmployeeMapper employeeMapper =
            applicationContext.getBean("employeeMapper",EmployeeMapper.class);
    @Test
    public void test12() throws SQLException {
        //根据Map集合删除数据
        Map<String,Object> map = new HashMap<>();
        map.put("id",20);
        map.put("gender",2);
        Integer result = employeeMapper.deleteByMap(map);
        System.out.println(result);
    }
}