c++图书管理系统
include
#include
#include
#include //输入/输出文件流类
using namespace std
const int Maxr=100 //最多的读者
const int Maxb=100 //最多的图书
const int Maxbor=5 //每位读者最多借五本书
//读者类,实现对读者的信息的描述
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001336s ]
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:0.117948s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000988s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001143s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000967s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003101s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000896s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003811s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017060s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001096s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 389765 [ RunTime:0.261478s ]
