为什么C要规定一个类类有什么用

页面:/news/view-2960009/ | 耗时:0.6289 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=2960009 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2960009 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2960009 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1048108,1094923,1095151,1068268,1071843,1078380,1121252,1303489,1064653,1012594,1056124,1001240,1133191,1276163,1077968,1131081,1104483,1097621,1049816,1108456,1106725,1044609,1114938,1100905,1107277,1123807,1276970,1073678,1080187,1071195) ORDER BY field (ArticleID,1048108,1094923,1095151,1068268,1071843,1078380,1121252,1303489,1064653,1012594,1056124,1001240,1133191,1276163,1077968,1131081,1104483,1097621,1049816,1108456,1106725,1044609,1114938,1100905,1107277,1123807,1276970,1073678,1080187,1071195)