一个组播发送和接收的demo,很实用的，接收信息写到文件，并存入数据库，牵扯的知识面很多。值得一看。-A multicast to send and receive demo, very practical, and receiving information to write the file, and stored in the database, involve a lot of knowledge. Worth a visit.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002108s ]
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:0.091057s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002310s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001935s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002325s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003878s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002079s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003406s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015658s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002561s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 168277 [ RunTime:0.001108s ]
