[英]How to store output data of a function in a text file
我有以下代碼
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;
ostringstream os1;
float ds= (float)atof((char *)(LPTSTR)(LPCTSTR)sad);
os << TotalVoltage5s/ds;
os1 << m_frequency;
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.SetItemText(2, Current_columns, os1.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;
m_frequency = 0;
xx123 = 0;
}
}
Power_Log_Chart.Invalidate();
}
CDialog::OnTimer(nIDEvent);
}
它所做的只是簡單地執行,它獲取函數CalculatePower的輸出,並每5秒實時繪制並顯示其結果,並且在頻率和時間上都執行相同的操作。
我需要一種將數據保存在文本文件中的方法,這是我嘗試執行的操作,但是我不確定它是否會正常工作。
SavePowerData[32780] =TotalVoltage5s;
SaveTimeData[32780] = TotalTime;
ofstream myfile;
myfile.open ("Power Data.txt");
for(int x=0; x<=TotalVoltage5s; x++)
{
myfile << SavePowerData[x];
myfile << SaveTimeData[x];
}
myfile.close();
#include <fstream>
void append_file(std::string param1,std::string param2, std::string param3){
std::ofstream outfile;
outfile.open("out.txt", std::ios_base::app);
outfile << param1 << " " << param2<< " " << param3;
}
您可以嘗試像這樣封裝您的方法,並在將它們放入繪圖之前每次將所需的值附加到文件中。 您還可以在每個3個參數的結尾之后使用分隔符,以便以后更容易閱讀。
謝謝Yigit,這就是我所做的,而且有效,
for (int q = 0; q<=TotalTime; q++)
{
Time_[q] = TotalTime;
voltage[q] = TotalVoltage5s;
Frequency[q] = m_frequency;}
std::ofstream outfile;
outfile.open("Power Data.csv", std::ios_base::app);
outfile<<"Total Time"<<" "<<"Total Voltage 5 sec"<<" "<<"Frequency"<<endl;
for(int k = 0; k<TotalTime; k++){outfile<<voltage[k]<<", "<<Time_[k]<<", "<<Frequency[k]<<endl;}
outfile.close();
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