Dart语言入门

ThispageshowsyouhowtouseeachmajorDartfeature,fromvariablesandoperatorstoclassesandlibraries,withtheassumptionthatyoualreadyknowhowtoprograminanotherlanguage.TolearnmoreaboutDart’scorelibraries,seeATouroftheDartLibraries.Wheneveryouwantmoredetailsaboutalanguagefeature,consultth