java 求1到50的和！通过获得键盘输入的选项，从而分别动态调用3种循环结构算法，-java for 1-50 and! Through access to the keyboard input options, which were three kinds of dynamic invocation cycle structure algorithm,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001024s ]
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:0.068759s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001010s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001264s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000956s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003209s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000998s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003913s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027788s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001720s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 44977 [ RunTime:0.016413s ]
