多线程端口扫描演示，能够设置连接延时，使用Winsocket2 API编写，Delphi7编译通过-multithreaded port scanning demonstration connecting to delay, the use of API Winsocket2 prepared by compiling Delphi7
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002003s ]
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:0.087768s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002454s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001939s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002191s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003595s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002040s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003196s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014754s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002480s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 109884 [ RunTime:0.001211s ]
