这是一个计算方法的编程。是关于复化梯形积分的程序，在这里我们可以实现对你需要的梯形求面积。-This is a calculated method of programming. Minute of trapezoidal integration of the procedure, here we can achieve right you need to seek the trapezoid area.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000904s ]
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:0.087927s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.020837s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.013020s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004394s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003263s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004673s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024226s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001149s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 288628 [ RunTime:0.016938s ]
