qt将文本框里的内容写入文件里,写不进去是怎么回事?
connect(lineEdit,SIGNAL(editingFinished()),this,SLOT(obtainputname()));
void GoToCellDialog:: obtainputname()
{
QString strname = lineEdit->text();
FILE *fp;
fp=fopen("Macrotest.ini","a+");
fprintf(fp, "%s\n",strname.toStdString().data());
}这样写还是写不进去??