4[PDF] 基于Java的模块化环境空气质量自动监测系统的研究与设计

Java20074JavaUDC10497AnalysisandDesignofModularizingEnvironmentalAirQualityAutomaticSupervisionSystembasedonJava430070200742007520074IInternet702000WEBWEBWEBIIABSTRACTWithrapiddevelopmentofsocial,theproblemofenvironmentbecomesmorecrucialdaybyday.Asapartofenvironmentalprotecting,environmentalairqualitysupervisionisexpectedtobemoreandmoreadvansed.OnlinesupervisionofenvironmentalairqualitybasedonInternetcouldnotonlyaccelerateunderstandingsofinstantairqualityofsomeregionsorsomecitiesbutalsoclarifyconditionsofairandimprovethequalityofenvironmentalair.SupervisionofenvironmentalairqualityhaddevelopedinChinasince70soflastcentury.Butourcountrydidntendimportingdevicesofairqualityautomaticsupervisionfromabroadtill2000.Sosystemsofenvironmentalairqualityautomaticsupervisionproducedbyourownstillhashugespacetodevelop.ThispaperanalysesanddesignsanEnvironmentalAirQualityAutomaticSupervisionSystem,whichaimistobuildanairconditionautomaticsupervisionplatformofferingservicesforadministrationanddecisionofenvironmentalairqualitysupervisionbysoftware,database,technicalofcommunicationandetc,throughcollectionofairqualitydata.Thissystemcombinestogetherfunctionsofautomaticcollectionofinformation,communicationandcontrol,administrationofinformation,generalanalysisofinformation,selectionofinformationandetc.Itwillsupportwholeprocessofenvironmentalairqualitysupervisionadministration,andwhatsmore,makeitbecomesautomatic.Thispaperisdevidedinto6chapters.Thestructureofitislistedasfollows:Thefirstchaptermainlydescribesdevelopmentandmeaningofairconditionsupervision,givesoutdevelopmentandadvantagesofairqualityautomaticsupervision,andanalysesexistingproblemsofautomaticsupervisionatpresent.Atlast,itsummarizesmeaningandcontentofthesystemthispaperoffers.Thesecondchapterlistsoutthreepossiblegeneraldesignplansofthissystem,makesacomparationofthemthreeandselectsthemostsuitableoneoutforbuildingthesystem.IIIThethirdchapterputsforwardthissystem’sdesignaim,clarifiesrunningenvironmentofthesystembasedonrequirementsandgoesonposingoutwholegeneraldesignofthissystem,whichincludingsystemstructure,workingprocessanddividingmethodofsystemblocks.Theforthchapterresearchesvitaltechniqueswhichencounteredduringprocessofrealizationofthisenvironmentalairqualityautomaticsupervisionsystem’scentralstation,andconcretelydescribestherealizationofWEBserveranddataserverofit.Amongthose,especiallydepictstherealizationofWEBserverindetails.Thefifthchapterdepictsenvironment,toolsandplanoftestingthisenvironmentalairqualityautomaticsupervisionsystem,makesafinalconclusionbasedonresultsofactualtesting.Thesixthchapterreviewsandgeneralizestheresearchworkofthispaper,andprospectsfutureresearchworkofthisproblem.Keywords:environmentalairqualityautomaticsupervison,dataserver,WEBserveri1.1.....................................................................11.1.1..........................................................................11.1.2..........................................................................21.2.............................................................31.2.1..................................................................31.2.2..................................................................31.3.....................................................41.4.................................................................................................51.5.........................................................................................................61.6.................................................................................................71.7..............................................................................................................72.1..........................................................82.2.................................................................82.3.........................................................92.4............................................................................................102.4.1................................................................................................102.4.2................................................................................................102.5...........................................................................................................103.1...........................................................................................................113.1.1....................................................................................113.1.2........................................................................................123.2...................................................................................................133.3...................................................................................................133.3.1........................................................................................14ii3.3.2............................................................................................143.4......................