GHZMRSupport/Assets/HttpTool.cs

using RootMotion;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

public class HttpTool : Singleton<HttpTool>
{
    public void Get(string baseUrl, string methodName, Action<string> callback)
    {
        StartCoroutine(GetRequestErnieBot(baseUrl, methodName, callback));
    }
    private IEnumerator GetRequestErnieBot(string baseUrl, string methodName, Action<string> callback)
    {
        string url = baseUrl + methodName;
        Debug.Log(url);
        using (UnityWebRequest webRequest = UnityWebRequest.Get(url))
        {           
            yield return webRequest.SendWebRequest();

            if (webRequest.error!=null )
            {
                Debug.LogError(webRequest.error + "\n" + webRequest.downloadHandler.text);
                if (callback != null)
                {
                    callback(null);
                }
            }
            else
            {
                if (callback != null)
                {

                    callback(webRequest.downloadHandler.text);
                }
            }
        }

    }

}