计算一个矩阵中的水仙花素，不过使用前先建一个txt文件，里面输入一个矩阵-Calculation of a matrix in the Su-daffodils, but before using to build a txt file, inside the importation of a matrix
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001414s ]
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:0.116358s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000944s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001176s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001001s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003098s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000888s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003811s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016143s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001158s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 189454 [ RunTime:0.020338s ]
