本源文件是tcp的连接程序，可以当服务端或客户端，包括连接、收发数据等功能，在所有过程出错处理都较好。-origin of the document is tcp connections and can be a server or client, including connections, sending and receiving data and other functions, in all processes are better error handling.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001377s ]
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:0.098140s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001617s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003263s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001797s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006389s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001454s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006092s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025143s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001637s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 192395 [ RunTime:0.001368s ]
