stupider0623的博客

<select id="selectAllAndByproduct_line" parameterType="hashmap" resultMap="ExtendResultMap" > SELECT t.id tid,t.name tname,p.* FROM project_template t INNER JOIN project_project p ...

serversql数据库一,在Mybatis Mapper文件中添加属性“useGeneratedKeys”和“keyProperty”，其中keyProperty是Java对象的属性名，而不是表格的字段名<insert id="insert" parameterType="实体名"  useGeneratedKeys="true" keyProperty="id">   ...

一，sql--    <update id="XXXX" parameterType="java.util.Map">        update knowledge_file set state=0 where id in (${ids})     </update>     dao---     int XXXX(Map<String, Objec...