Gson日期问题

 	GsonBuilder build = new GsonBuilder();
				build.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {

					@Override
					public Date deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
						return new Date(jsonElement.getAsJsonPrimitive().getAsLong());
					}
				});
			Gson gson = build.create();