系统介绍
开发企业门户网站的最终目的是为企业提供一个简单、易用、开放、可扩展的企业信息门户平台。通过需求分析以及与客户的沟通，现制定网站实现目标如下：
l 网站使用人性化设计，界面友好、安全、实用。
l 网站操作便捷并具有高度信息延续性、可扩展性。
l 提供建立在关系型数据库系统上的数字信息组织、管理、查询等功能。
l 对用户输入的数据进行严格的数据检索，尽可能地排除人为错误。
l 最大限度地实现网站易维护性和易操作性。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001611s ]
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:0.079826s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001258s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001245s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000986s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003219s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000866s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003755s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015734s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001335s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 974 [ RunTime:0.016607s ]
