用单纯性发求解线性规划问题，并由文件 读入系数矩阵，用于大规模计算。-Simple to use fat for solving linear programming problems by the document read into the coefficient matrix, for large-scale computing.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001107s ]
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:0.076049s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001023s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001086s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000980s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003152s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000746s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004003s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014841s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001210s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 148237 [ RunTime:0.018412s ]
