很好的学习DLL的入门例子，里面讲述了non-mfc,mfc，mfc-ext等相关dll的编写以及调研例子程序-Good learning example DLL entry, which describes non-mfc, mfc, mfc-ext related dll example of the preparation and investigation procedures
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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:0.174862s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002020s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003931s ]
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