Web响应

public class R1 extends HashMap<String, Object> {
   
   private static final long serialVersionUID = 1L;
   public R1() {
      put("code", 0);
      put("msg", "success");
   }
   public Integer getCode(){
      Object code = get("code");
      String s = String.valueOf(code);
      return Integer.valueOf(s);
   }
   public <T> T getData(String key, TypeReference<T> tTypeReference){
      Object data = this.get(key);
      String s = JSON.toJSONString(data);
      T t = JSON.parseObject(s, tTypeReference);
      return t;
   }

   public static R1 error(int code, String msg) {
      R1 r = new R1();
      r.put("code", code);
      r.put("msg", msg);
      return r;
   }
   public static R1 ok() {
      return new R1();
   }

   public R1 put(String key, Object value) {
      super.put(key, value);
      return this;
   }
}