PIO读写EXCEL实例，有一定不足，没有用到循环语句。不过涉及到读和写的一些设置，对开发一定有帮助。-PIO read and write Excel example, to a certain extent, they are not used cycle statement. However relates to read and write some settings, the development will certainly be helpful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002375s ]
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:0.099022s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003017s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003301s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002722s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006228s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002568s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003312s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015574s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002811s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 282920 [ RunTime:0.001568s ]
