Mybatis插入语句useGeneratedKeys="true"的用法

　　<!-- 插入新的问题件 -->
<!-- useGeneratedKeys="true"把新增加的主键赋值到自己定义的keyProperty（id）中 -->
<insert id="insert" parameterType="jw.base.entity.WrongRecApply" useGeneratedKeys="true" keyProperty="id" >
insert into tb_wrong_rec_apply (num, cid,
`type`, `describe`, solution,
seller_tel, seller_qq, seller_email,
buyer_tel, buyer_qq, buyer_email,
submit_time, update_time, r_wrong_id,
ext1, ext2, img,state
)
values (#{num,jdbcType=VARCHAR}, #{cid,jdbcType=INTEGER},
#{type,jdbcType=VARCHAR}, #{describe,jdbcType=VARCHAR}, #{solution,jdbcType=VARCHAR},
#{sellerTel,jdbcType=VARCHAR}, #{sellerQq,jdbcType=VARCHAR}, #{sellerEmail,jdbcType=VARCHAR},
#{buyerTel,jdbcType=VARCHAR}, #{buyerQq,jdbcType=VARCHAR}, #{buyerEmail,jdbcType=VARCHAR},
#{submitTime,jdbcType=TIMESTAMP}, #{updateTime,jdbcType=TIMESTAMP}, #{rWrongId,jdbcType=INTEGER},
#{ext1,jdbcType=VARCHAR}, #{ext2,jdbcType=VARCHAR}, #{img,jdbcType=LONGVARBINARY},#{state,jdbcType=INTEGER}
)
</insert>