utopia_xu

C语言文件操作

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/*------------------------------------------------------------------------ *name: *fuction: d:\\codeblock\\a中写入字符串,然后在显示出来 *other: *version: *author:xu沫尘 *description: *time:2017-3-14 ------------------------------------------------------------------------*/ #include"stdio.h" void main() { FILE *fp;//定义指向一个文件的指针 char ch; if((fp=fopen("d:\\codeblock\\a\\string","wt+"))==NULL)//写入电脑的位置d:\\codeblock\\a { printf("\ncann't open file strike any key exit!"); getch(); exit(1); } printf("input a string:\n"); ch=getchar(); while(ch!='\n') { fputc(ch,fp); ch=fgetchar(); } rewind(fp); ch=fgetc(fp); while(ch!=EOF) { putchar(ch); ch=fgetc(fp); } printf("\n"); fclose(fp); //system("pause");//加上 他之后,批组建生产的exe文件执行到最后不会自动关闭 }


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