cvi读写.csv文件

![csv文件夹截图](https://img-blog.csdnimg.cn/20190321135040691.png)
int fscanf (FILE *stream, const char formatString[], ...); 
int fprintf (FILE *stream, const char formatString[], ...); 


void ReadFileFrowmFileName(char filename[])
{
	FILE *fp;
	char date[32],time[32];
	int data；
	
	fp = fopen(filename,"r");
	fscanf(fp,"time:%s %s\n",date,time); 
	fscanf(fp,"serial:%s\n",serial);
	fscanf(fp,"item1:%d\n",    &data）;		
	//fscanf(fp,"%d\n",&temp);//顺序读取第一列数据	
	fclose(fp);   关闭文件
}
void SaveFileByFileName(char pathName[])
{
	FILE *fp;
	int data；
	double CurrentDateTime;
	char today[32],serial[64];
	if(strcmp(serial,"") == 0) 
	{
		strcpy(serial," "); 
	}
	GetCurrentDateTime (&CurrentDateTime);
	FormatDateTimeString (CurrentDateTime, "%Y-%m-%d %H:%M:%S", today, 32);

	fp = fopen(pathName,"w");

	if(fp == NULL)
	{
		return;
	}
	fprintf(fp,"time:%s\n",today);
	fprintf(fp,"serial:%s\n",serial);
	fprintf(fp,"item1:%d\n",   data）;
	//	fprintf(fp,"%4d\n",data);
	fclose(fp);

}