56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/************************************************
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使用标准IO完成文件拷贝
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************************************************/
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#include<stdio.h>
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int main()
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{
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FILE *fp1, *fp2;
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char buf[256] = {0};
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int read_status, write_status, close_status;
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//1、打开源文件
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fp1 = fopen("./origin.txt", "r");
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if(fp1 == NULL)
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printf("打开源文件失败\n");
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else
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printf("打开源文件成功\n");
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//2、拷贝源文件数据
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read_status = fread(buf, sizeof(char), sizeof(buf) - 1, fp1);
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if(read_status > 0)
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printf("已复制源文件内容为:%s", buf);
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else
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return -1;
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//3、关闭源文件
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close_status = fclose(fp1);
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if(close_status == 0)
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printf("关闭源文件成功\n\n");
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else
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printf("关闭源文件失败\n\n");
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//4、打开目标文件
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fp2 = fopen("./copy.txt", "w");
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if(fp2 == NULL)
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printf("打开目标文件失败\n");
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else
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printf("打开目标文件成功\n");
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//5、写入数据到目标文件
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write_status = fwrite(buf, sizeof(char), read_status, fp2);
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if(write_status > 0)
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printf("复制成功，有%d个字符\n", write_status);
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else
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return -1;
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//6、关闭目标文件
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close_status = fclose(fp2);
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if(close_status == 0)
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printf("关闭目标文件成功\n");
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else
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printf("关闭目标文件失败\n");
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return 0;
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} |