1.掌握系统中断向量（１CH）的获取和设置的方法，掌握中断处理程序的设计方法。
2.显示的形式为“２００７―０７―XX XX:XX:XX”，以秒为增量单位。
-1. To master the system interrupt vector (1CH) the get and set methods, have interrupted the process of design. 2. Shown in the form of
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000933s ]
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:0.058391s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001078s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000798s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003723s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014010s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001312s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 193265 [ RunTime:0.015137s ]
