1. 下载

https://www.mingw-w64.org/downloads/

https://github.com/niXman/mingw-builds-binaries/releases

2.安装

x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z解压到D盘

我的电脑–属性–系统属性–环境变量–系统变量–path
D:\MinGW-w64\x86_64-12.2.0-release-win32-seh-rt_v10-rev1\mingw64\bin

C:\Users\Xxxxx>gcc --version
gcc (x86_64-win32-seh-rev1, Built by MinGW-W64 project) 12.2.0
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

3.VSCode中配置gcc

4. 代码

#include <stdio.h>

#define F_PATH "G://GCC//T1//2.c"
 
int main()
{
   /* 我的第一个 C 程序 */
   printf("Hello, World! \n");

   FILE *fp = NULL;
   char tmp[100];
   fp = fopen(F_PATH, "r");
   if (NULL == fp)
   {
      printf("File open fail!\n");

      return -1;
   }
   fread(tmp, 1, 100, fp);
   printf("%s\n", tmp);

   char ch,i=0;
   fseek(fp, 0, SEEK_SET);
    while ((ch = getc(fp)) != EOF)
    {
        putchar(ch);
        i ++;
    }

   fclose(fp);
   fp = NULL;

   // fp = fopen(F_PATH, "a");
   // int pos = fputc('d',fp);
   // fclose(fp);
   // fp = NULL;   

   return 0;
}