springweb里面的post和get请求

• 主类RestTemplate

 　　

• 代码

  public xxx getinfo(String requestUrl, Map<String,Object> requestParameter){
  		/**  主方法  */
  		RestTemplate restTemplate = new RestTemplate();
  		/**  请求头  */
  		HttpHeaders headers = new HttpHeaders();
  		/**  请求方式  */
  		HttpMethod method = HttpMethod.POST;
  		/**  设置格式  */
  		headers.setContentType(MediaType.APPLICATION_JSON);
  		/**  参数格式化  */
  		HttpEntity<Map<String, Object>> requestEntity = new HttpEntity<>(requestParameter, headers);
  		/**  请求  */
  		ResponseEntity<String> response = restTemplate.exchange(requestUrl, method, requestEntity, String.class);
  		/**  数据打印  */
  		String data = response.getBody();
  
  		/**   对应自己的实体类 */
  		return gson.fromJson(data, xxx.class);
  	}
  

  　　工具类

• public class GsonUtil {
  	private static Gson gson;
  
  	private GsonUtil() {
  	}
  
  	public static Gson getInstance() {
  		if (gson == null) {
  			gson = new GsonBuilder().registerTypeAdapter(Date.class, new GsonUTCDateAdapter()).create();
  		}
  
  		return gson;
  	}
  
  }
  

  　　

  public class GsonUTCDateAdapter implements JsonSerializer<Date>, JsonDeserializer<Date> {
  
  	private final DateFormat dateFormat;
  
  	public GsonUTCDateAdapter() {
  		dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.CHINA);
  		dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
  	}
  
  	@Override
  	public synchronized JsonElement serialize(Date date, Type type, JsonSerializationContext context) {
  		return new JsonPrimitive(dateFormat.format(date));
  	}
  
  	@Override
  	public synchronized Date deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext context) {
  		try {
  			return dateFormat.parse(jsonElement.getAsString());
  		} catch (ParseException e) {
  			throw new JsonParseException(e);
  		}
  	}
  
  }