http://blog.csdn.net/kesaihao862/article/details/6718443
REPLACE INTO id_28_repayid(stub) VALUES(1);
INSERT INTO `article_view` (`article_id`, `pond`, `view`) VALUES (`123`, RAND()*100, 1) ON DUPLICATE KEY UPDATE `view`=`view`+1
原文：http://www.cnblogs.com/antball/p/4652277.html