通过检查图像间的相似度来实现图像配准，有详细注释，便于理解，编译能运行。-by checking the similarity between the images to achieve image registration, detailed notes, easily comprehensible compiler can run.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000998s ]
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:0.060334s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001094s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001817s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001410s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005265s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001277s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006657s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020340s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001188s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 321530 [ RunTime:0.010917s ]
