C#-经典购物车流程全代码6页.docx

C#购物车及后台代码C#程序语言一.防止SQL注入public static bool SqlFilter2(string InText) string word = and|exec|insert|select|delete|update|chr|mid|master|or|truncate|char|declare|join|;if (InText = null)return false;foreach (string str_t in word.Split(|)if (InText.ToLower().IndexOf(str_t + ) -1) | (InText.ToLower().IndexOf( + str_t) -1) | (InText.ToLower().IndexOf(str_t) -1) return true;/返回有二.MD5加密using system.web.securitystring