mybatis mysql 批量插入

<insert id ="batchInsert" parameterType="java.util.List" >
        insert into table
        (column1,column2,column3)
        values
        <foreach collection ="list" item="item" index= "index" separator =",">
            (
            <if test="item.param1 != ‘‘ || item.param1 != null">
                #{item.param1},
            </if>
            <if test="item.param2 != ‘‘ and item.param2 != null">
                #{item.param2},
            </if>
            <if test="item.param3 != ‘‘ and item.param3 != null">
                #{item.param3}
            </if>
            )
        </foreach >
</insert >