本程序用来计算matlab中两点坐标之间的距离，坐标必须是经纬度，并表明所要计算的单位-This procedure used to calculate the matlab in the distance between two coordinates, latitude and longitude coordinates must be, and show that to calculate the unit
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002996s ]
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:0.090517s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002303s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002029s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002151s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003720s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002121s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003504s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014799s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002688s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 33660 [ RunTime:0.001159s ]
