看见有些拿螺旋数字矩阵做考题的，虽然本来也不难，可是你要一着急也许就想不出来了呢:)-see some figures with spiral matrix so many questions, although otherwise it is not difficult, but you may be an anxious not want to come out? :)
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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:0.101712s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001064s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001290s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000996s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 295245 [ RunTime:0.019468s ]
