Class Diagram

ElectricityScannerDao（control）

+ElectricityMeter readData(String uuid)+Integer fakeData()

GasMeter（Entity）

+ getUsedGas()+ setUsedGas()+ getLatestGas()+ setLastestGas()+ addData()+ getHistory()+ getTodayHistory()+ getWeekHistory()+ getMonHistory()

ConsumerDao（control）

+void saveData(Consumer consumer)+ Consumer readData(String uuid)

File文件

ProviderDao

+ saveData(Provider provider) + Provider readData()

ElectricityScanner（entity）

- Consumer consumer- ElectricityScannerDao ElectricityScannerDao

+ getConsumer()+ setConsumer()+ startScanner()+ scan()+ run()

Consumer（Entity）

- String name- String id- String password- ElectricityMeter electricitymeter- GasMeter gasMeter- Integer electricityBudget- Integer gasBudget

+ getName()+ setName()+ getID()+ setID()+ getPassword()+ setPassword()+ getElectricityMeter()+ setElectricityMeter()+ getGasMeter()+ setGasMeter()+ getElectricityBudget()+ setElectricityBudget()+ getGasBudget()+ setGasBudget()

UuidUtil（entity）

+getUUID()

ElectricityMeter（Entity）

+ getUsedElectricity()+ setUsedElectricity()+ getLatestElectricity()+ setLastestElectricity()+ addData()+ getHistory()+ getTodayHistory()+ getWeekHistory()+ getMonHistory()

GasScanner（entity)

TimeUtil（entity）

+getTimesmorning()+getTimesnight()+getTimesWeekmorning+getTimesWeeknight()+getTimesMonthmorning()+getTimeMonthnight()

Provider(Entity)

- Double gasTariff- Double electricTariff- String name- String password- List consumerslist

GasScannerDao(control）

+GasMeter readData(String uuid)+Integer fakeData()