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);
}