该代码例子提供了一个可以对组合框控件下拉内容实现屏蔽左右，可以禁止某个item项目的输入显示。-example of the code provides a combination of drop-down box controls to achieve shielding around content, to prohibit the importation of item shown.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002028s ]
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:0.085732s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002376s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002048s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002345s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003645s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002023s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003242s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015225s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002436s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 250268 [ RunTime:0.001462s ]
