UnityWebRequest前后端交互实现过程解析

///Get方法例举
private IEnumerator StartGet(HttpRequest request)
    {
      var url = request.Url + "?";
      //反射用来填充Url
      Type type = Type.GetType(request.MsgName);
      var Msg = Convert.ChangeType(request.Msg, type);
      PropertyInfo[] properties = Msg.GetType().GetProperties();
      for (int i = 0; i < properties.Length; i++)
      {
        url += $"{properties[i].Name}={properties[i].GetValue(Msg)}";
        if (i != properties.Length - 1)
          url += "&";
      }
      request.Url = url;
      using (UnityWebRequest www = UnityWebRequest.Get(request.Url))
      {
        www.certificateHandler = new AcceptAllCertificatesSignedWithASpecificKeyPublicKey();
        www.downloadHandler = new DownloadHandlerBuffer();
        www.SetRequestHeader("Content-Type", "application/json");
        www.SetRequestHeader("token", token);
        yield return www.SendWebRequest();
        DealResult(www, request);
      }

  //部分封装
  public Action<LoginMsg, Action<HttpResponds>> NetLogin;
  public class LoginMsg : BaseMsg
  {
  public LoginMsg(string username, string password)
  {
    this.username = username;
    this.password = password;
  }
  public string username { get; set; }
  public string password { get; set; }
  }
  public class HttpResponds
  {
    public string data;
    public RespondsResult Result;
    public string token;
  }
  //注册委托
  AddListener(ref MsgManager.Instance.NetMsgCenter.NetLogin, Method.Post, "User/login");
  private void AddListener<T>(ref Action<T,Action<HttpResponds>> registerEvent,Method methodType,string url) where T:BaseMsg
  {
    registerEvent += (request, callback) =>
    {
      HttpRequest httpRequest = new HttpRequest()
      {
        Msg = request,
        HttpMethod = Method.Post,
        Url = HttpCenter.path + url,
        Handler = (responds) =>
        {
          if (responds.Result == RespondsResult.Succ)
          {
            try
            {
              callback(responds);
            }
            catch(Exception ex)
            {
              
              Debug.Log("窗口已销毁");
              if(nowScene == 0)
              {
                SceneManager.LoadScene(1);
              }
              else
              {
                SceneManager.LoadScene(0);
              }
            }
          }
        }
      };
      HttpCenter.Instance.Send(httpRequest);
    };
  }
  ///调用，添加回调
  MsgManager.Instance.NetMsgCenter.NetLogin(msg, (responds) =>
       {
         HttpCenter.Instance.token = responds.token;
         GetUserMsg userMsg = new GetUserMsg(accountField.text);
         MsgManager.Instance.NetMsgCenter.NetGetUser(userMsg, (getUserResponds) =>
         {
           NetDataManager.Instance.user = JsonHelper.DeserializeObject<User>(getUserResponds.data);
           UIMgr.Instance.CreateFrame("PersonalFrame");
         });
       });