c1_file01.txt

嵌入式C语言培训课件

#include <stdio.h>
#include <string.h>
#include <iomanip.h>
#include <iostream.h>
#define N 6
typedef struct rec 
{
	int no;
	char name[8];
	char prof[5];
	char sex[3];
	char married[5];

}WORKER;

WORKER A[N];
void disp()
{
	int i;
	 cout << "序号  职工号  姓名 工种   性别   婚否" << endl;
	
	for (i=0; i< N; i++)
	{
		cout  << setw(3) << i+1 <<setw(6) << A[i].no <<
			setw(9) << A[i].name << setw(6) << A[i].prof <<
			setw(4) << A[i].sex << setw(8) << A[i].married << endl;
	}
}
void save()
{
	int i;
	WORKER W[N] =
	{
		{1, "张键", "电工", "男", "已婚"},
			{2, "张1", "电工", "男", "已婚"},
			{3, "张2", "电工", "男", "已婚"},
			{4, "张3", "电工", "男", "已婚"},
			{5, "张4", "电工", "男", "已婚"},
			{6, "张5", "电工", "男", "已婚"},
	};
	FILE *fp;
	fp = fopen("c:\\data.txt", "wb");
	for (i=0; i< N; i++)
	{
		fwrite(&W[i], sizeof(WORKER), 1, fp);
	}
	fclose(fp);
}

void open()
{
	int i;
	FILE* fp;
	fp = fopen("c:\\data.txt", "r+");
	for (i=0; i< N; i++)
	{
		fread(&A[i], sizeof(WORKER), 1, fp);
	}
	fclose(fp);
}
void main()
{
	int sel;
	while (1)
	{
		cout << "1-存储文件  2- 打开并输出   其它退出" <<endl;
		cout << "请选择：";
		cin >> sel;
		switch(sel) {
		case 1:
			save();
			cout << "数据存储完毕" << endl;
			break;
		case 2:
			open();
			disp();
			break;
		default:
			break;
		}
		if (sel !=1 && sel !=2)
		{
			break;
		}
	}
}