#include<stdio.h>
#include<stdlib.h>
int main()
{
int num1,num2,sum=0;
FILE *fp=NULL;
printf("-----开始读取文件-----\n");
if((fp=fopen("c:\\文件1.txt","r+"))==NULL)
{
printf("Cannot open file strike any key exit!");
exit(1);
}
printf("-----文件内容-----\n");
while(fscanf(fp,"%d %d",&num1,&num2)!=-1)
{
sum=sum+num1+num2;
printf("%d %d\n",num1,num2);
}
fclose(fp);
printf("-----开始写入文件-----\n");
if((fp=fopen("c:\\文件2.txt","w"))==NULL)
{
printf("Cannot open file strike any key exit!");
exit(1);
}
fprintf(fp,"%d",sum);
printf("-----写入完成-----\n");
return 0;
}