思路清晰的n皇后问题求解，采用面向对象思路编写，封装类可在其他程序中灵活调用-lucid n Queen"s problem solving, object-oriented ideas to prepare, Packaging category in other proceedings flexible call
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001946s ]
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:0.090943s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002471s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001972s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002067s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003810s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002084s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003204s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014945s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002759s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 72371 [ RunTime:0.001189s ]
