quint16 numberOfEntries = qMin (ui-->readSize->currentText (). toUShort (), quint16 (10 - startAddress)) ;template<class T> constexpr const T &qMin(const T &a, const T &b)quint16 numberOfEntries = qM联机搜索return QModbusDataUnit (table没有与参数列表匹配的函数模板"qMin"实例参数类型为:(<error-type>,quint16)联机搜索
如果是复制的代码ui-->readSize控件不存在,则报错