C语言:结构体应用
#include <stdio.h> #include <stdlib.h> #include <assert.h> typedef struct student{ char name[32]; int no; char sex[16]; float score; } stu; int main(int argc, char* argv[]) { //打开文件 FILE * r=fopen("A.txt","r"); assert(r!=NULL); FILE * w=fopen("B.txt","w"); assert(w!=NULL); //读写文件 stu a[128]; int i=0; while(fscanf(r,"%s%d%s%f",a[i].name,&a[i].no,a[i].sex,&a[i].score)!=EOF) { printf("%s\t%d\t%s\t%g\n",a[i].name,a[i].no,a[i].sex,a[i].score);//输出到显示器屏幕 fprintf(w,"%s\t%d\t%s\t%g\n",a[i].name,a[i].no,a[i].sex,a[i].score);//输出到文件B.txt i++; } //关闭文件 fclose(r); fclose(w); system("pause"); return 0; }