编写程序通过设置ios::scientific和ios::fixed标志以定点和科学计数法显示浮点类型数据。-Write a program by setting the ios:: scientific and ios:: fixed flag with fixed-point and scientific notation floating-point type data display.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002450s ]
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:0.090565s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002372s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002059s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002524s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003782s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002077s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003333s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014966s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002001s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 180140 [ RunTime:0.001307s ]
