[c语言]简单的进行多次计算的+-*/计算机

#include<stdio.h>

int main()

{

double num1 = 0.0;

double num2 = 0.0;

double ed = 0.0;

char choice='1';

char op;

while(choice != EOF )

{

scanf("%lf %c%lf", &num1, &op, &num2);//%c前加入空格，缓冲字符

switch (op)

{

case '+':

ed = num1 + num2; //循环内是计算器

break;

case'-':

ed = num1 - num2;

break;

case'*':

ed = num1 * num2;

break;

case'/':

ed = num1 / num2;

break;

}

printf("%lf\n", ed);

printf("Do you want to continue(Y/N or y/n)");

scanf(" %c", &choice);

if (choice == 'Y'||choice=='y')// 判断是否重新进入循环

continue;

else

break;

}

return 0;

}