读写文件与结构体数组结合

2019-11-08 20:18:47

字体：大中小

来源：转载

供稿：网友

#include <stdio.h>#include <stdlib.h>#include <string.h>#define MAXSIZE 1024#define N 5typedef struct{ char cust_no[30]; char cust_name[30];}stuPLKH;void strutofile(stuPLKH plkh[N]);void filetostruct(){ int i = 0; stuPLKH plkh[N]; memset(&plkh, 0, sizeof(stuPLKH)); FILE *fp = fopen("a.txt", "r"); if(fp == NULL) { PRintf("open error!/n"); exit(1); } char buffer[MAXSIZE]; memset(buffer, 0, MAXSIZE); //fread(buffer, MAXSIZE, 1, fp); //printf("buffer = %s/n", buffer); //sscanf(buffer, "%6s%6s", plkh[i].cust_no, plkh[i].cust_name); i = 0; while(fgets(buffer, MAXSIZE, fp) != NULL && i < N) { printf("buffer = %s", buffer); sscanf(buffer, "%6s-%6s", plkh[i].cust_no, plkh[i].cust_name); i++; } for( i =0 ;i < N; i++) { printf("%s, %s/n", plkh[i].cust_no, plkh[i].cust_name); } strutofile(plkh); }void strutofile(stuPLKH plkh[N]){ int i; FILE *fp = fopen("b.txt", "w"); for(i = 0; i < N; i++) { fprintf(fp, "%6s-%6s/n", plkh[i].cust_no, plkh[i].cust_name); } }int main(){ filetostruct(); return 0;}

上一篇：单点登录CAS5-服务端通过数据库认证用户

下一篇：eclipse中，jdk7和jdk8并存开发的实现方式