RR369_yyh的博客

<insert id="addBatch" parameterType="java.util.ArrayList"> INSERT INTO user (ID,NAME) VALUES <foreach item="user" collection="userList" separator="," > ( #{user.id,jdbcType=VAR

        <update id="updateBatch" parameterType="java.util.ArrayList"> UPDATE USER <trim prefix="set" suffixOverrides=","> <trim prefix="USER_NAME

<!-- column：所对应的外键字段名称；property：对象属性名；select：指向另一查询方法(命名空间+方法名) --> <!-- 一对一 查询时带出妻子信息 --> <association column="USER_ID" property="wife" select="com.mapper.WifeMapper.selectByUserId"...