简单邮件发送程序，目录为“mail_1”，运行该程序需要在php.ini文件中进行设置，参见书中说明，输入如下链接地址：http://localhost/mail_1/simplemail.php
功能完善的邮件发送系统，目录名称为“mail_2”，运行该程序之前需要在config.php文件中设置SMTP发送邮件服务器地址以及验证用户名和密码，还要设置POP3服务器地址，具体参见书中介绍。访问链接如下所示：http://localhost/mail_2/index.php-Simple e-mail program, the directory for
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002498s ]
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:0.086845s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002452s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002091s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002022s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003618s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001995s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003209s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014716s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002749s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 100605 [ RunTime:0.001175s ]
