MyBatis+MySQL 返回插入的主键ID
需求:使用MyBatis往MySQL数据库中插入一条记录后,需要返回该条记录的自增主键。 方法:在mapper中指定keyProperty属性,示例如下: insert id=insertAndGetId useGeneratedKeys=true keyProperty=userId parameterType=com.chenzhou.mybatis.Userinsert in
需求:使用MyBatis往MySQL数据库中插入一条记录后,需要返回该条记录的自增主键值。
方法:在mapper中指定keyProperty属性,示例如下:
<insert id="insertAndGetId" usegeneratedkeys="true" keyproperty="userId" parametertype="com.chenzhou.mybatis.User"> insert into user(userName,password,comment) values(#{userName},#{password},#{comment}) </insert>
如上所示,我们在insert中指定了keyProperty="userId",其中userId代表插入的User对象的主键属性。
User.java

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