Qt报错: variable has incomplete typte ‘QJsonObject’ - China So...
2. 定义变量时候下面出行红线,出现 varible has incomplete type ‘QTextStream’ varible has incomplete type 'QTextStream 未添加QTextStream头文件 3. Qt 信号与槽连接失败的几个原因 4. 报错: invalid use of incomplete type ‘class QMap<QString,