我在Swift中有一个自定义类,我想使用下标访问它的属性,这可能吗?我想要的是这样的:classUser{varname:Stringvartitle:Stringsubscript(key:String)->String{//Somethingherereturn//Returnthepropertythatmatchesthekey…}init(name:String,title:String){self.name=nameself.title=title}}myUser=User(name:"Bob",title:"Superboss")myUser["name"]//"Bob"