C/C++之读写文件

#include <iostream>//write a Line by Linebool writeALinebyLine(){FILE* fp_write;fopen_s(&fp_write, "test.txt", "wb");if (fp_write != NULL){char buf[1024] = {};for (int i = 0; i < 100; i++){sprintf_s(buf, "测试写文件行数为：%d\r\n", i);fwrite(buf, strlen(buf), 1, fp_write);}fclose(fp_write);return true;}return false;}//read a Line by Linebool readALinebyLine(){FILE* fp_read;fopen_s(&fp_read, "test.txt", "rb");if (fp_read != NULL){char buf[1024] = {};while (!feof(fp_read)){fgets(buf, 1024, fp_read);printf("%s", buf);}fclose(fp_read);return true;}return false;}void main(){//write a Line by Linebool bWriteret = writeALinebyLine();//read a Line by Linebool bReadret = readALinebyLine();}