基于lucene的 全文检索程序。可以对office等文件pdf文件进行检索，检索到的位置进行高亮显示。-Based on the Lucene full-text retrieval procedures. Office and other documents on pdf files retrieval, retrieved location highlighted.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001716s ]
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:0.085020s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000950s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001087s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000924s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003184s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000793s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003724s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015376s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001231s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 216014 [ RunTime:0.012533s ]
