AppTest.java

package com.cesgroup.mybatiswork;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import javax.annotation.Resources;

import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.Before;
import org.junit.Test;

import com.alibaba.fastjson.JSONObject;
import com.cesgroup.mybatiswork.entity.People;

/**
 * @author zlz
 *
 */
public class AppTest {
	
	private SqlSession sqlSession = null;
	private SqlSessionFactory sqlSessionFactory;
	
	@Before
	public void configMybatis() {
		// 指定全局配置文件
		String resource = "mybatis-config.xml";
		// 读取配置文件
		InputStream inputStream;
		
		try {
			inputStream = Resources.getResourceAsStream(resource);
			
			// 构建sqlSessionFactory
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
			// 获取sqlSession
			// sqlSession= sqlSessionFactory.openSession(ExecutorType.BATCH,false);
			sqlSession = sqlSessionFactory.openSession(false);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (sqlSession != null) {
				// sqlSession.close();
			}
		}
	}
	
	/**
	 * 
	 * 自定义解析器查询测试
	 * 
	 * json串字段为 info
	 */
	@Test
	public void testSelectUser() {
		People user = sqlSession.selectOne("MyMapper.selectUser", 2);
		System.out.println(user);
		sqlSession.close();
	}
	
	/**
	 * 
	 * 自定义类型解析器插入测试
	 */
	@Test
	public void testInsertJsonObject() {
		
		JSONObject userInfObject = new JSONObject();
		userInfObject.put("address", "天地软件园");
		userInfObject.put("telphone", "18623323323");
		People user = new People();
		user.setId(3);
		user.setName("张三");
		user.setInfo(userInfObject);
		int a = sqlSession.insert("MyMapper.insert", user);
		sqlSession.commit();
		System.out.println("影响的行数:" + a);
		
	}
	
	/**
	 * 批量插入方法一（经测试该方法较快） 通过list方式批量插入 500条 378ms 5000条615ms 10000条897ms
	 */
	@Test
	public void testInsertBatch() {
		long start = System.currentTimeMillis();
		List<People> list = new ArrayList<>();
		for (int i = 1; i < 10000; i++) {
			JSONObject userInfObject = new JSONObject();
			userInfObject.put("address", "天地软件园");
			userInfObject.put("telphone", "18623323323");
			People user = new People();
			user.setId(i);
			user.setName("张三" + i);
			user.setInfo(userInfObject);
			list.add(user);
		}
		
		int a = sqlSession.insert("MyMapper.insertBatch", list);
		sqlSession.commit();
		long end = System.currentTimeMillis();
		System.out.println("---------------" + "批量插入耗时一：" + (end - start) + "---------------");
	}
	
	/**
	 * 批量插入方法二 通过改变executor类型
	 * 
	 * 500条 约375ms 5000条约912ms 10000条 1527ms
	 */
	@Test
	public void testInsertBatchTwo() {
		sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH, false);
		
		long start = System.currentTimeMillis();
		for (int i = 1; i < 10000; i++) {
			JSONObject userInfObject = new JSONObject();
			userInfObject.put("address", "天地软件园");
			userInfObject.put("telphone", "18623323323");
			People user = new People();
			user.setId(i);
			user.setName("张三" + i);
			user.setInfo(userInfObject);
			int a = sqlSession.insert("MyMapper.insert", user);
		}
		sqlSession.commit();
		long end = System.currentTimeMillis();
		System.out.println("---------------" + "批量插入耗时二：" + (end - start) + "---------------");
	}
	
}