【程序70】
题目：写一个函数，求一个字符串的长度，在main函数中输入字符串，并输出其长度。
1.程序分析：
2.程序源代码：-[70] procedures Topic: Writing a function, and the length of a string, in the main function in the input string and output its length. 1. Program analysis: 2. Program source code:
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001470s ]
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:0.093582s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001055s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001485s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000959s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003665s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003869s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023415s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001012s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 164042 [ RunTime:0.013074s ]
