说明：  ASCII编码系统字符串转换清理程序,任意转换字符串长度,任意清理不需要字符
(String Cleanser (ASCII only) Simple include function to loop through a given string and (a) concatenate it to the maximum length, (b) silently drop any unwanted characters and (c) pad all single quotes with a 2nd single quote (for using in MS-SQL statements).)