我有以下对象数组，其中id作为唯一键":vartest=[{id:1,PlaceRef:"*00011",Component:"BATH",SubLocCode:"BAT",BarCode:""},{id:2,PlaceRef:"*00022",Component:"BAXI10R",SubLocCode:"KIT",BarCode:""},{id:1,PlaceRef:"*00011",Component:"BATH",SubLocCode:"BAT",BarCode:""},{id:3,PlaceRef:"*00011",Component:"ANR190",SubLocCode: