自己用C语言编写的直线DDA算法。可以根据输入的坐标，在屏幕上画出直线。-own use C language prepared by the DDA linear algorithms. Can be imported under the coordinates on the screen paint line.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002264s ]
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:0.091797s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001958s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002161s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002290s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003829s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001931s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003261s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020773s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002517s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 219241 [ RunTime:0.001121s ]
