关于C语言文件操作的问题,我想写入一些字符到一个文件,但是不行,代码如下,大家说说啊。谢谢了 C语言 文件基本操作的一个题。我的代码如下,结果系统判定结果...

C\u8bed\u8a00\u6587\u4ef6\u64cd\u4f5c\u7684\u95ee\u9898,\u4ee3\u7801\u5982\u4e0b

ctrl+Z\u5982\u679c\u662f\u5b57\u9762\u4e0a\u7684\u5b57\u7b26\u4e32\uff0c\u5c31\u4e0d\u4f1a\u88ab\u8bc6\u522b\u4e3a\u7ed3\u675f\u7b26
\u53e6\u5916\u597d\u50cfctrl+D\u624d\u662f\u7ed3\u675f\u7b26\u5427\uff1f

\u4f60\u786e\u5b9a\u4f60\u770b\u6e05\u695a\u9898\u76ee\u4e86\uff1f
\u9898\u76ee\u8981\u6c42\u7684\u662f\u4ece\u4e00\u4e2a\u6587\u4ef6\u91cc\u8bfb\u51fa15\u4e2a\u6210\u7ee9\u6570\u636e\uff0c\u7136\u540e\u8ba1\u7b97\u5e76\u8f93\u51fa\u3002
\u4f60\u6240\u505a\u7684\u662f\uff0c\u4ece\u952e\u76d8\u8f93\u516515\u4e2a\u6210\u7ee9\u6570\u636e\uff0c\u5199\u5165\u6587\u4ef6\uff0c\u7136\u540e\u8ba1\u7b97
...................

原因是你根本就没有向文件中写入数据
------------------------------
修改如下
#include <stdio.h>
#include <string.h>
#define MAX_INPUT 10
void DisplayFDate(FILE *fp);
int main(void)
{
FILE *fp;
char cInput[MAX_INPUT];
char cInput2[MAX_INPUT];
fp=fopen("date1.txt","w+");
if (NULL==fp)
{
printf("Can not open file\n");
}
DisplayFDate(fp);
printf("Enter the word!\n");
gets(cInput);
printf("cp:%s\n",cInput);
rewind(fp);
while(fscanf(fp,"%s",cInput2)==1)
{
puts(cInput2);
}
fprintf(fp,"%s", cInput);
DisplayFDate(fp);
fclose(fp);
return 0;
}
void DisplayFDate(FILE *fp)
{
rewind(fp);
char ch;
ch=getc(fp);
while(EOF!=ch)
{
printf("%c",ch);
ch=getc(fp);
}
}

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