如何知道QQ好友是否上线

页面:/news/view-1850109/ | 耗时:0.9231 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=1850109 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1850109 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1850109 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1810357,1078114,1128299,1102300,2055385,980285,121803,348999,1432681,819219,1674819,1679606,1068214,210878,2172228,1419482,1857485,659231,125371,1109895,1359579,171296,231355,1961814,585298,870735,1481165,497769,1079728,745395) ORDER BY field (ArticleID,1810357,1078114,1128299,1102300,2055385,980285,121803,348999,1432681,819219,1674819,1679606,1068214,210878,2172228,1419482,1857485,659231,125371,1109895,1359579,171296,231355,1961814,585298,870735,1481165,497769,1079728,745395)