该程序生成一个城市网络的最小生成树，可以按需求自己设置定点数和路径-The program generates a network of cities of the minimum spanning tree can be set according to demand their own set points and path
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001255s ]
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:0.087745s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001462s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001897s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001209s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003547s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001022s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003257s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015517s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001474s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 163169 [ RunTime:0.001459s ]
