starting from a original words, crawl their relative words. And save them in a txt file.
for example from the word "上海天气", we can crawl the following words:
上海天气预报, 上海一周天气, 上海一周天气预报, 上海天气预报查询, 上海明天天气, 上海的天气, 上海天气查询, 上海明天天气预报, 上海今日天气, 上海下周天气
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002035s ]
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:0.086448s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002535s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001904s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002022s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003664s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002136s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003825s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014350s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002478s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 210044 [ RunTime:0.001013s ]
