<sqlMap>
	<sql id="selectAllArticle">
		select id,title,createdatetime,content 
		from article where id in (?1,?2)
	</sql>
	<sql id="selectStudentById1">
		select * from article where id=?id and 1=1
	</sql>
	<sql id="sql_2_1">
		select id,title,createdatetime,content from article where id = ?id
	</sql>
	<sql id="sql_i_1">
		INSERT INTO config(key,value) VALUES (?, ?)
	</sql>
	<sql id="sql_i_2">
		INSERT INTO config(key,value) VALUES (?key, ?value)
	</sql>
</sqlMap>