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//字符串明文加密及测试#include
   
         using namespace std;char* encryption(char str[], int code[], int codenum);int main(){   	int code[] = {    5, 9, 8, 4, 3, 2 };			//密钥数组	char msg[] = "ABuio1987";					//明文字符串	char *str_encode;							//密文字符串指针												//添加代码，完成测试	str_encode = encryption(msg, code, 6);	cout << "明文：" << msg << endl;			// printf("明文：%s\n", msg);	cout << "密文：" << str_encode << endl;     // printf("密文：%s\n", str_encode);	delete str_encode;	system("pause");	return 0;}//对str加密，返回值为密文字符串的指针char* encryption(char str[], int code[], int codenum){   	char*str_encode = new char[strlen(str)+1];	for (int i = 0; i < strlen(str); i++)	{   		int index = i;		if (index >= codenum)			index = index%codenum;		str_encode[i] = code[index]+str[i];		if (str_encode[i] > 'Z'&&str[i]>='A'&&str[i] <= 'Z')		{   			str_encode[i] = 'A' + (int)(str_encode[i] - 'Z'-1);		}		if (str_encode[i] > 'z'&&str[i] >= 'a'&&str[i] <= 'z')		{   			str_encode[i] = 'a' + (int)(str_encode[i] - 'z'-1);		}		if (str_encode[i] > '9'&&str[i] >= '0'&&str[i] <= '9')		{   			str_encode[i] = '0' + (int)(str_encode[i] - '9' - 1);		}			}	str_encode[strlen(str)] = '\0';	return str_encode;}