ibatis 如何利用自增主键插入数据库

1.将数据库主键设置为自增

2. XML如下设置就OK，自增主键的部分设置为null

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<insert id="insertProduct-MYSQL" parameterClass="User">      
 insert into users values(null,#userName# ,#password#,#userType#);   
     <selectKey resultClass="int" keyProperty="uid">  
           SELECT @@IDENTITY AS UID   
      </selectKey>    
</insert>