如何做三角形的一条垂线

页面:/news/view-890857/ | 耗时:0.8781 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=890857 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=890857 LIMIT 0,1
select * from tbl_Articles_sphinx where id=890857 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1113746,1109418,668583,1117241,583706,666900,161621,466773,2000911,698300,875448,1104385,482757,1099461,1101627,2351583,1102306,2808272,1365047,1108211,723855,921496,1116133,772823,1113133,1116187,819450,1963974,891397,815410) ORDER BY field (ArticleID,1113746,1109418,668583,1117241,583706,666900,161621,466773,2000911,698300,875448,1104385,482757,1099461,1101627,2351583,1102306,2808272,1365047,1108211,723855,921496,1116133,772823,1113133,1116187,819450,1963974,891397,815410)