这是冠以VC异常及异常处理类的使用用法，加上实例的说明，使你能很快不如编程的殿堂-This is called VC abnormal and unusual class of the use of usage, coupled with examples of the note, so that you can quickly program as a hall
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001266s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.090918s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001198s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001890s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001213s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003618s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001071s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003179s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014529s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001261s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 123517 [ RunTime:0.001327s ]
