<insert id="addList" parameterType="java.util.List" useGeneratedKeys="false"> 
    INSERT ALL 
    <foreach item="item" index="index" collection="list"> 
    INTO T_APPLAUD 
    ( 
      ID, 
      USER_ID, 
      BUSINESS_TYPE, 
      PRODUCT_ID, 
      CREATE_TIME 
    ) VALUES 
    ( 
      #{item.id, jdbcType=NUMERIC}, 
      #{item.userId, jdbcType=VARCHAR}, 
      #{item.businessType, jdbcType=VARCHAR}, 
      #{item.productId, jdbcType=VARCHAR}, 
      #{item.createdTime, jdbcType=NUMERIC}  
    ) 
    </foreach> 
    SELECT 1 FROM DUAL 
  </insert> 

<insert id="addList" parameterType="java.util.List" useGeneratedKeys="false"> 
    INSERT INTO T_APPLAUD 
    ( 
      ID, 
      USER_ID, 
      BUSINESS_TYPE, 
      PRODUCT_ID, 
      CREATE_TIME 
    ) 
    <foreach item="item" index="index" collection="list" separator="union all"> 
    ( 
      SELECT  
        #{item.id}, 
        #{item.userId}, 
        #{item.businessType}, 
        #{item.productId}, 
        #{item.createdTime}  
      FROM DUAL 
    ) 
    </foreach> 
  </insert>