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ibatis 批量執行INSERT INTO...ON DUPLICATE KEY UPDATE...

<update id="updaeBooks" parameterClass="java.util.List">
	<![CDATA[ INSERT INTO book(authorId, bookName,price,shelve) VALUES]]>  
	<iterate conjunction =",">   
		<![CDATA[  
			(#books[].authorId#,#books[].bookName#,#books[].price#,#books[].shelve#)
		]]>  
	</iterate>
	<![CDATA[ ON DUPLICATE KEY UPDATE price=values(price),shelve=values(shelve) ]]>  
</update>
@Override
public void updateBooks(List<Book> books) throws Exception {
	getSqlMapClient().update("updateBooks", books);
}