规则：只能在有纽扣的点穿线，且只能在水平方向或竖直方向穿 线。线可交叉，但有纽扣的点不能交叉连接。-rules : only when there is the point of threading button, and then only in the horizontal direction or vertical direction of threading. Cross-line, but the point Button can cross-connect.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001351s ]
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:0.090972s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001271s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001899s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001261s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003589s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001093s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003206s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014612s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001348s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 107725 [ RunTime:0.001224s ]
