包括8个项目示例，分别为：自制网络聊天室、网络购物系统、图形图象编辑器、简单媒体播放器、个人日常事物管理系统等。-Includes 8 example projects:
handmade-chatroom, net shopping system, Graphic and Image Editor, Simple media Player, Personal Routinue Affairs Management, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001034s ]
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:0.115409s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.007170s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.007920s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001584s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003181s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000958s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003703s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015266s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000980s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 304420 [ RunTime:0.012142s ]
