mybatis动态sql语句-汇总

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.yun.mybatis.mapper.AccountMapper">

	<sql id="BaseColumnName">
		accountId, activateCash
	</sql>
	<sql id="InsertBaseColumnName">
		activateCash, accountId, userCode, state
	</sql>

	<!-- 查询 -->
	<select id="getAccount" resultType="com.yun.mybatis.entity.Account">
		select
		<include refid="BaseColumnName" />
		from account
		<where>
			<if test="accountId != null and accountId !=''">
				AND accountId=#{accountId}
			</if>
		</where>
	</select>
	
	<!-- 更新 -->
	<update id="updateAccount" parameterType="com.yun.mybatis.entity.Account">
		update account
		<set>
			<if test="activateCash != null and activateCash !=''">
				activateCash=#{activateCash},
			</if>
		</set>
		<where>
			<if test="accountId != null and accountId !=''">
				AND accountId=#{accountId}
			</if>
		</where>
	</update>
	
	<!-- 插入 -->
	<insert id="insertAccount" parameterType="com.yun.mybatis.entity.Account">
		insert into account
		<trim prefix="(" suffix=")" suffixOverrides=",">
			<if test="activateCash != null and activateCash !=''">
				activateCash,
			</if>
			<if test="accountId != null and accountId !=''">
				accountId,
			</if>
			<if test="userCode != null and userCode !=''">
				userCode,
			</if>
			<if test="state != null and state !=''">
				state,
			</if>
		</trim>
		<trim prefix="values (" suffix=")" suffixOverrides=",">
			<if test="activateCash != null and activateCash !=''">
				#{activateCash},
			</if>
			<if test="accountId != null and accountId !=''">
				#{accountId},
			</if>
			<if test="userCode != null and userCode !=''">
				#{userCode},
			</if>
			<if test="state != null and state !=''">
				#{state},
			</if>
		</trim>
	</insert>
	
	<!-- 批量查询 -->
	<select id="selectAccountList" resultType="com.yun.mybatis.entity.Account">
		select
		<include refid="BaseColumnName" />
		from account
		<where>
			<foreach collection="array" item="acc" index="idx" separator=","
				open="accountId in (" close=")">
				#{acc}
			</foreach>
		</where>
	</select>

	<!-- 批量插入 -->
	<insert id="insertAccountList">
		insert into account
		(<include refid="InsertBaseColumnName"/>)
		<foreach collection="list" item="acc" index="idx" separator=","
			open="values">
			<trim prefix="(" suffix=")" suffixOverrides=",">
				<if test="acc.activateCash != null and acc.activateCash !=''">
					#{acc.activateCash},
				</if>
				<if test="acc.accountId != null and acc.accountId !=''">
					#{acc.accountId},
				</if>
				<if test="acc.userCode != null and acc.userCode !=''">
					#{acc.userCode},
				</if>
				<if test="acc.state != null and acc.state !=''">
					#{acc.state},
				</if>
			</trim>
		</foreach>
	</insert>
</mapper>

mybatis批量操作executor

@Test
	public void testInsertExecutor() {
		try {
			SqlSession session = sessionFactory.openSession(ExecutorType.BATCH, true);
			//SqlSession session = sessionFactory.openSession(true);
			
			AccountMapper mapper = session.getMapper(AccountMapper.class);
			Account account = new Account();
			account.setAccountId("1234");
			account.setUserCode("dfdfdf1234");
			account.setState("00");
			account.setActivateCash(11.1);
			int num = mapper.insertAccount(account);
			Account accountTwo = new Account();
			accountTwo.setAccountId("5678");
			accountTwo.setUserCode("dfdfdf5678");
			accountTwo.setState("00");
			accountTwo.setActivateCash(11.1);
			int numTwo = mapper.insertAccount(accountTwo);
			session.commit();
			session.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}

原生批量更新batch

	@Test
	public void testBatchJdbc() {
		Connection conn;
		Statement stat;
		//ResultSet result;
		
		try {
			Class.forName("com.mysql.jdbc.Driver");
			conn = DriverManager.getConnection(DB_URL, USER, PASS);
			conn.setAutoCommit(false);
			stat = conn.createStatement();
			String sql = "update account set activateCash = 89401 where accountId = '32323232323232'";
			String sql2 = "update account set activateCash = 100 where accountId = '123'";
			stat.addBatch(sql);
			stat.addBatch(sql2);
			int[] result = stat.executeBatch();
			for(int rel : result) {
				System.out.println(rel);
			}
			conn.commit();
			stat.close();
			conn.close();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
				
	}