该构件能读取txt文本文件到数据集对象TDataSet中，方便数据处理。适合导入出数据包操作.-component of the text can be read txt file to the target TDataSet data sets, facilitate data processing. Suited up into data packets operation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001320s ]
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:0.087245s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001172s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001974s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001148s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003729s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001079s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003191s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014365s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001282s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 140343 [ RunTime:0.001527s ]
