本程序的功能是：将中缀表达式（只能含有的运算符为( ) / * + - =）转化为后缀表达式，-this procedure is the function : China will decorate the expression (containing only the operator ()/*- =) into suffix expression,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004872s ]
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:0.121612s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.020725s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.004454s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000986s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003207s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000828s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003965s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026986s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001182s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 159082 [ RunTime:0.016263s ]
