一个基本的类 用于提取GPS数据中的经纬度，速度高度信息，功能较简单。-A basic category for the extraction of GPS data in latitude and longitude, speed, height information, a simpler function.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001400s ]
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:0.123047s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001508s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002490s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001517s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004617s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001284s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004390s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018702s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002102s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 109231 [ RunTime:0.001524s ]
