1、XyzMapper.xml(在插入过程自动获取一个自增的主键)
<insert id=“doSomething" parameterType="map" useGeneratedKeys="true" keyProperty=“yourId">
...
</insert><insert1、XyzMapper.xml(在插入过程自动获取一个自增的主键)
<insert id=“doSomething" parameterType="map" useGeneratedKeys="true" keyProperty=“yourId">
...
</insert><insert