MFC中,CString在for循环中format和拼接都好慢,应该怎么解决啊?大神们帮帮我。。
灰机不灰机 2019-03-20 10:53:25 FILE *fp1 = fopen(T2A(strFile2),"rb");
fseek(fp1,0,SEEK_SET);
for(int i = 0;i < numPoint;i++)
{
DWORD lData;
fread(&lData,sizeof(DWORD),1,fp1);//采样编号
fread(&lData,sizeof(DWORD),1,fp1);//时标
for(BYTE j = 0;j < numAI;j++)
{
short nData;
CString strEvery;
fread(&nData,sizeof(short),1,fp1);
strEvery.Format(_T("%f "),dataRatio[j] * nData + dataBase[j]);
strAI[j] = strAI[j] + strEvery;
}
}