这个程序使用Borland C++编译，程序中关键代码是“my_addr.sin_port = htons(i)”，因为变量i是一个循环量，它从一开始到使用者设定值结束，而htons(i)则是对连接远程服务器需要使用的端口进行定义，之后使 用connect()函数连接指定端口，通过返回值判断这个端口是否打开，这样一个端口扫描的思路就出现了。 -This procedure using Borland C++ Compile, process the key code is
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001773s ]
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:0.098591s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001179s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001993s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001150s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003660s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001014s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003249s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015173s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001367s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 63040 [ RunTime:0.001425s ]
