网络通信实现绘图命令支持多线程，命令和参数可以分开，这里放在一起实现-Network communications to support multi-threading to achieve drawing commands, commands and parameters can be separated, here together to achieve
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.013137s ]
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:0.106791s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000904s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000862s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003058s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000740s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003649s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016230s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001174s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 248751 [ RunTime:0.136390s ]
