sprintf源码。独立一个文件就可用。在嵌入式等系统中可能用到。网上找了很多，多数都不能用或功能不全。这个是本人下了一翻功夫完善过的代码。-sprintf source. Separate a file can be used. In the embedded and other systems may be used. The Internet is a lot, most are not usable or insufficiency. This is the effort I made a frightening sound off code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001242s ]
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:0.085898s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001164s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001158s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003656s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000988s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003171s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014571s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001201s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 202708 [ RunTime:0.001329s ]
