编辑代码

#include <stdio.h>
#include<stdlib.h>

int main () 
{
	FILE *fp;
	char ch ,filename[10];
	printf("请输入你想要写入数据的文件名:");
	scanf("%s",filename);
    if((fp=fopen(filename,"w"))==NULL)
    {
        printf("sory the file name of %s is unexist\n",filename);
        exit(0);
    }
    
    ch = getchar();
    printf("请输入你想要存在文件中的句子，以“#”结束\n");
    ch = getchar();
    
    while (ch != '#')
    {
        fputc(ch,fp);
        putchar(ch);
        ch = getchar();
    }
    
    fclose(fp);
    printf("\n");
    return 0;
}