c++操作文件读写txt文本

/***************************
*******读取第一列数据********
***************************/
void ReadTxt()
{
    char buffer[256];
    ifstream inFile("FilePath\\1.txt",ios::in);
    if(!inFile.is_open())
    {
        return;
    }
    
    vector<string> allData;
    //vector<string> firstColList;
    vector<int> firstColList;//第一列数据（int型）
    while(!inFile,eof)
    {
        inFile.getline(buffer,300);//逐行读取
        char *allStr = strtok(buffer,",");
        while(allStr != NULL)
        {
            string str(allStr);
            allData.push_back(str);
            allStr = strok(NULL,",");
        }
        if(allData.Size != 2)//每行两列数据
            continue;
        firstColList.push_back(atoi(allData[0].c_str());
    }
    inFile.close();
}


/***************************
**********写入数据***********
***************************/
void WriteTxt(int id,string name)
{
    ofstrean outFile;
    outFile.open("FilePath\\1.txt", ios::out | ios::app);
    string inputID = to_string(id);
    if(!outFile.is_open())
        return;
    outFile << inputID << ","<< name <<endl;
    outFile.close();
}

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