C++ ------------------------- 文件的复制

#include <fstream>
using namespace std;


int copyFile(char* sourceFile,char* newFile)
{
    ifstream in;
    ofstream out;
    
    in.open(sourceFile);
    
    if (in.fail()) {
        // 打开文件失败
        cout << "打开文件失败" << endl;
        in.close();
        out.close();
        return 0;
    }

    out.open(newFile);
    if (out.fail()) {
        cout << "打开文件失败" << endl;
        in.close();
        out.close();
        return 0;
    }
    
    //开始复制
    out << in.rdbuf();
    out.close();
    in.close();
    return 1;
}

int main()
{
    char sourceFile[256];
    char newFile[256];
    cout << "请输入源文件:" << endl;
    cin >> sourceFile;
    cout << "请输入目标文件:" << endl;
    cin >> newFile;
    
    if (copyFile(sourceFile, newFile)) {
        cout << "复制成功......." << endl;
    }else
    {
        cout << "失败了, - -!" << endl;
    }
    
    return 0;
}