java的电子邮件编写，JavaMail的基本应用和精通学习，可以实现邮件的发送，接受，保存等功能。-java e-mail preparation, JavaMail applications and proficient in the basic learning, can be achieved to send mail, receive, store and other functions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.015987s ]
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:0.234847s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001004s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002446s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.030553s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003151s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.005192s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006605s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022101s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001161s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 51184 [ RunTime:0.263142s ]
