J2EE项目开发Excel数据导入导出操作组件源代码（附带说明文档），非常实用！ -J2EE project development Excel data import and export operations components of the source code (with documentation), very useful!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001374s ]
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:0.092657s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001876s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003164s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001791s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005678s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001643s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005469s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015949s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001489s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 122883 [ RunTime:0.001507s ]
