C++语言对字符串对象进行各种操作的子程序，对运算符的重载，实现对字符串方便的各种操作。-C language string object to the operation of various subroutine, right Operators of heavy realize the convenience of a string operation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001282s ]
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:0.089096s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001132s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001889s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001144s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004776s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001294s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006364s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014943s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001301s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 57206 [ RunTime:0.001262s ]
