实现网页重定向功能的源代码。用户未登录时输入任意url都会重定向到登录页面，输入口令后才能访问网站。-achieve functional website redirect the source code. Unknown users importation arbitrary url will redirect to the login page after importation password to be able to access websites.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001999s ]
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:0.162018s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001894s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003398s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001965s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006721s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001782s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006100s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027169s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002235s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307899 [ RunTime:0.001703s ]
