这是一个简单的socket例程源码，现运行server，并开始。然后运行client，
连接就可以看到提示信息。-This is a simple socket routines source, the server is running, and began. Then run client to connect, you can see a message.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001119s ]
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:0.112793s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001398s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.004456s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001116s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.013913s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.015701s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004224s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.035056s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.020242s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 268946 [ RunTime:0.563907s ]
