3.4、update 通过id修改

package com.wzy;
import com.wzy.pojo.Employees;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class testActiveRecord {
    ApplicationContext applicationContext =
            new ClassPathXmlApplicationContext("applicationContext.xml");
    @Test
    public void testUpdateById(){
        //
        Employees employees = new Employees(10,"周杰伦","zhoujielun@163.com",1,40);
        boolean update = employees.updateById();
        System.out.println(update);
    }
}