实时时钟1302准确度高，控制方便，本程序既是在AVR环境下应用的一个很好的例子-Real-time clock 1302 high accuracy and convenient control, the procedure is not only in the AVR environment applications a good example
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001177s ]
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:0.073458s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000980s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001117s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000952s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003214s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000844s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003923s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017988s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001089s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 168905 [ RunTime:0.014635s ]
