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  1. 如何交換兩個文本內容的C語言代碼

    時間:2025-11-08 05:12:19 C語言

    如何交換兩個文本內容的C語言代碼

      文本存儲的位置:

      jack.txt位于: e:jack.txt

      retchie.txt位于: e:retchie.txt

      內容:

      jack.txt -> "Hello! I am Jack."

      retchie.txt -> "Hello! I am Retchie."

      相關代碼 代碼如下:

      #include

      int main(void)

      {

      char temp1[100];

      char temp2[100];

      FILE *p_jack;

      FILE *p_retchie;

      p_jack = fopen("e:/jack.txt", "r");

      p_retchie = fopen("e:/retchie.txt", "r");

      if (p_jack != NULL && p_retchie != NULL)

      {

      fgets(temp1, 20, p_jack);

      fgets(temp2, 20, p_retchie);

      }

      fclose(p_jack);

      fclose(p_retchie);

      p_jack = fopen("e:/jack.txt", "w");

      p_retchie = fopen("e:/retchie.txt", "w");

      if (p_jack != NULL && p_retchie != NULL)

      {

      fprintf(p_jack, "%s", temp2);

      fprintf(p_retchie, "%s", temp1);

      fclose(p_jack);

      fclose(p_retchie);

      }

      return 0;

      }

      運行結果:

      內容:

      jack.txt -> "Hello! I am Retchie."

      retchie.txt -> "Hello! I am Jack."

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