C语言学习(37)
1 //fscanf函数从指定的文件中按指定格式读入数据,与scanf函数作用类似,scanf从键盘输入,fscanf从文件输入 2 #include<stdio.h> 3 #include<stdlib.h> 4 int main(){ 5 FILE *fp; 6 int i,j; 7 double m,n; 8 char s1[100],s2[100],s3[100],s4[100]; 9 if((fp=fopen("file_data.txt","r"))==NULL){ 10 printf("打开文件失败\n"); 11 exit(0); 12 } 13 fscanf(fp,"%s%s%s%s",&s1[0],s2,s3,s4); 14 fscanf(fp,"%d%d",&i,&j); 15 fscanf(fp,"%lf%lf",&m,&n); 16 printf("%s %s %s %s\n",s1,s2,s3,s4); 17 printf("%d %d\n",i,j); 18 printf("%lf %lf\n",m,n); 19 return 0; 20 }
posted on 2018-06-28 17:33 孙悟空son_ku_kong 阅读(136) 评论(0) 编辑 收藏 举报