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ä¾åèï¼è¿ä¸å¥è¿ä¸ä¸æå¦ä¸ï¼InSpringWebMVCyoucanuseanyobjectasacommandorform-backingobject;youdonotneedtoimplementaframework-specificinterfaceorbaseclass.Springâsdatabindingishighlyflexible:forexample,ittreatstypemismatchesasvalidationerrorsthatcanbeevaluatedbytheapplication,notassystemerrors.Thusyouneednotduplicateyourbusinessobjects'propertiesassimple,untypedstringsinyourformobjectssimplytohandleinvalidsubmissions,ortoconverttheStringsproperly.Instead,itisoftenpreferabletobinddirectlytoyourbusinessobjects.
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