CreateFile vs fopen vs ofsteam 优缺点

在C++中，我们有多种方法来打开和操作文件。其中三种常见的方法是使用CreateFile、fopen和ofstream函数。每种方法都有其独特的优点和缺点，下面将详细介绍它们。

cpp
#include 
#include 
int main() {
    HANDLE fileHandle = CreateFile("example.txt", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if (fileHandle == INVALID_HANDLE_VALUE) {
        std::cout << "Failed to open file." << std::endl;
        return 1;
    }
    const char* content = "Hello, CreateFile!";
    DWORD bytesWritten;
    WriteFile(fileHandle, content, strlen(content), &bytesWritten, NULL);
    CloseHandle(fileHandle);
    return 0;
}

cpp
#include 
#include 
int main() {
    FILE* file = fopen("example.txt", "w");
    if (file == NULL) {
        std::cout << "Failed to open file." << std::endl;
        return 1;
    }
    const char* content = "Hello, fopen!";
    fprintf(file, "%s", content);
    fclose(file);
    return 0;
}

cpp
#include 
#include 
int main() {
    std::ofstream file("example.txt");
    if (!file) {
        std::cout << "Failed to open file." << std::endl;
        return 1;
    }
    const char* content = "Hello, ofstream!";
    file << content;
    file.close();
    return 0;
}