对初学者会有用。主要针对于西门子STEP7组态编程的实践程序。软件平台《step7v5.3》-Be useful for beginners. The main target in the configuration of Siemens STEP7 programming practice procedure. Software platform
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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:0.091325s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002192s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003806s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002315s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002659s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 174458 [ RunTime:0.001223s ]
