可以在豆瓣网上爬取相应用户的信息，如：用户ID，，读过什么书，对书的评价等数据，可以作为收集实验数据的工具-Web crawling in豆瓣the corresponding user information, such as: user ID,, read any book, the book" s evaluation of the data can be used as a tool to collect experimental data
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000994s ]
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:0.061896s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000937s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001143s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001066s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003175s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000894s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003945s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018132s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001238s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 320577 [ RunTime:0.020135s ]
