Excel单元格中含有变量的字符串形式公式计算
含有变量的公式计算
从含有字符的公式中，提取字符，并在Excel中查找到数字值后用Replace替换掉，用Eval计算结果。
公式在Excel单元格中分别存放
如：
x = a + b - ( a + b * a )
a = 3.4
b = 6-
Excel单元格中含有变量的字符串形式公式计算
含有变量的公式计算
从含有字符的公式中，提取字符，并在Excel中查找到数字值后用Replace替换掉，用Eval计算结果。
公式在Excel单元格中分别存放
如：
x = a + b - ( a + b * a )
a = 3.4
b = 6
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001753s ]
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:0.099211s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001163s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001933s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001236s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003782s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001068s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003302s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015362s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001324s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 178241 [ RunTime:0.001242s ]
