_Format _Unit _Value Ampere AngMinute AngSecond Bar Calorie Candela CentiMetre Coulomb CubicFoot DeciMetre Degree ElectronVolt Farad Foot Gauss getFormat getUnit getUserString getUserString getUserString getValue getValueAs GigaHertz GigaPascal Gon Gram Henry Hertz Hour Hundredweights Inch isDimensionless isQuantity isValid Joule Kelvin KiloAmpere KiloCalorie KiloElectronVolt KiloGram KiloHertz KiloJoule KiloMetre KiloNewton KiloNewtonPerMeter KiloOhm KiloPascal KiloSiemens KiloVolt KiloWatt KiloWattHour KMH KSI Liter MegaAmpere MegaElectronVolt MegaHertz MegaNewton MegaNewtonPerMeter MegaOhm MegaPascal MegaSiemens Metre MicroFarad MicroGram MicroHenry MicroKelvin MicroMetre MicroSiemens Mile MilePerHour MilliAmpere MilliBar MilliFarad MilliGram MilliHenry MilliJoule MilliKelvin MilliLiter MilliMetre MilliMole MilliNewton MilliNewtonPerMeter MilliSiemens MilliVolt MilliWatt Minute Mole MPH MPSI mTorr NanoFarad NanoHenry NanoMetre Newton NewtonMeter NewtonPerMeter Oersted Ohm operator* operator* operator+ operator+= operator- operator- operator-= operator/ operator/ operator< operator<= operator= operator== operator> operator>= Ounce parse Pascal PicoFarad Pound PoundForce pow pow PSI Quantity Quantity Quantity Quantity Radian Second setFormat setInvalid setUnit setValue Siemens SquareFoot Stone TeraHertz Tesla Thou Ton Torr Volt VoltAmpere VoltAmpereSecond Watt WattSecond Weber Yard yTorr ~Quantity

getUserString() [2/3] QString getUserString ( double &  factor, QString &  unitString  ) const 获取用户字符串 获取用户偏好的单位和幂次的字符串表示。 参数 [out] factor 因子 [out] unitString 单位字符串 返回 用户字符串