在插入数据时候想自动返回mysql的自增的主键,需要在mapper.xml中配置下;

<insert  >
insert into product_category (id, parent_id, cate_name,
sort_order, is_parent, created_at,
updated_at)
values (#{id,jdbcType=INTEGER}, #{parentId,jdbcType=INTEGER}, #{cateName,jdbcType=VARCHAR},
#{sortOrder,jdbcType=INTEGER}, #{isParent,jdbcType=BIT}, now(),
now())
</insert>
相关链接:

https://blog.csdn.net/sinat_30474567/article/details/51395247

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