简单灵活的报表，支持：
1，设定数据源和sql
2，自由选择字段
3，自由选择数据
4，打印预览
5，Excel导出-Simple and flexible reporting, support: 1, set the data sources and sql2, free choice of field 3, to free choice of data 4, Print Preview 5, Excel Export
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001816s ]
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:0.085778s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.017051s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.007648s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001796s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005541s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001282s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.008029s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026637s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.011668s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 204884 [ RunTime:0.028952s ]
