如何在文本文件中保存实时数据 [英] How can I save real time data in a text file

问题描述

我有以下代码

 if（StartMonitor）// StartMonitor 
 {
 
 TotalVoltage5s + = CalculatePower（）; 
 // TotalVoltage5s + = 20; 
 xx123 ++; 
 
 CString伤心; 
 m_power_edit.GetWindowText（伤心）; 
 
 int num1 = _ttoi（悲伤）; 
 if（xx123> = num1）{
 if（TotalTime> 19）{
 
 Power_Log_Chart.ClearChart（）; 
 TotalTime = 0; 
 
} 
 
 CTime tm; 
 tm = CTime :: GetCurrentTime（）; 
 CString str = tm.Format（％X）; 
 ostringstream os; 
 float ds =（float）atof（（char *）（LPTSTR）（LPCTSTR）悲伤）; 
 os<< TotalVoltage5s / DS; 
 ostringstream os1; 
 m_power_list.InsertColumn（Current_columns，，LVCFMT_CENTER，80,0）; 
 m_power_list.SetItemText（0，Current_columns，str）; 
 m_power_list.SetItemText（1，Current_columns，os.str（）。c_str（））; 
 m_power_list.SetItemState（Current_columns，LVIS_SELECTED | LVIS_FOCUSED，LVIS_SELECTED | LVIS_FOCUSED）; 
 m_power_list.EnsureVisible（Current_columns，FALSE）; 
 
 
 Power_Log_Chart.SetXYValue（TotalTime，TotalVoltage5s / ds，TotalTime，0）; 
 TotalTime ++; 
 TotalVoltage5s = 0; 
 

简单地说，它采用Calculatepower（）函数的计算值并每隔5秒显示一次结果使用Totalvoltage5s和TotalTime。我需要一种方法每隔19秒将这些数据保存在一个txt文件中。



我尝试过：



我试图使用FOR循环保存数据，但我一直收到错误。

解决方案

不需要for循环，下面的代码将保存我们在excel文件中的数据：

 std :: ofstream outfile; 
 outfile.open（Real-Time.csv，std :: ios_base :: app）; 
 outfile<< TotalTime<<，<< os.str（）。c_str（）<<，<< os1.str（）。c_str（）< < ENDL; 
 outfile.close（）; 

此代码适用于我：

 std :: ofstream outfile; 
 outfile.open（Real-Time.csv，std :: ios_base :: app）; 
 outfile<< TotalTime<<，<< os.str（）。c_str（）<<，<< os1.str（）。c_str（）< < ENDL; 

Hi, I have the following code

if (StartMonitor) //StartMonitor
{

    TotalVoltage5s += CalculatePower();
    //TotalVoltage5s += 20;
    xx123++;

    CString sad;
    m_power_edit.GetWindowText(sad);

    int num1 = _ttoi(sad);
    if(xx123 >= num1){
        if(TotalTime > 19){

            Power_Log_Chart.ClearChart();
            TotalTime = 0;

        }

        CTime tm;
        tm=CTime::GetCurrentTime();
        CString str=tm.Format("%X");
        ostringstream os;
        float ds= (float)atof((char *)(LPTSTR)(LPCTSTR)sad);
        os << TotalVoltage5s/ds;
        ostringstream os1;
        m_power_list.InsertColumn(Current_columns,"",LVCFMT_CENTER,80,0);
        m_power_list.SetItemText(0, Current_columns, str);
        m_power_list.SetItemText(1, Current_columns, os.str().c_str());
        m_power_list.SetItemState(Current_columns, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);
        m_power_list.EnsureVisible(Current_columns, FALSE);


        Power_Log_Chart.SetXYValue(TotalTime, TotalVoltage5s/ds, TotalTime, 0);
        TotalTime++;
        TotalVoltage5s = 0;

What it simply does, it takes the calculated value of Calculatepower() function and display the results in every 5 seconds using Totalvoltage5s and and TotalTime. I need a way to save these data in a txt file every 19 seconds.

What I have tried:

I have tried to save the data using a FOR loop but I keep getting an error.

解决方案

No need for a for loop, the following code will save the data for us in an excel file:

std::ofstream outfile;
outfile.open("Real-Time.csv", std::ios_base::app);
outfile<<TotalTime<<", "<<os.str().c_str()<<", "<<os1.str().c_str()<<endl;
outfile.close(); 

This code works for me:

std::ofstream outfile;
outfile.open("Real-Time.csv", std::ios_base::app);
outfile<<TotalTime<<", "<<os.str().c_str()<<", "<<os1.str().c_str()<<endl; 

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