Unity从网上加载图片（视频）_unity访问网络多图加载

1------------------------------

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using UnityEngine.UI;
public class LoadFromWeb : MonoBehaviour
{
    public Image image;
    string img_url = "https://pic.baike.soso.com/ugc/baikepic2/6749/20210720102025-811299437_jpeg_3968_2976_3786803.jpg/0";
    void Start()
    {
        StartCoroutine(RYVACBT_iadufa(img_url));
    }
    IEnumerator RYVACBT_iadufa(string url)
    {
        WWW www = new WWW(url);
        yield return www;
        if (www.error == null)
        {
            print("---load Succeed---");
            Texture2D t = www.texture;
            Sprite csprite = Sprite.Create(t, new Rect(0, 0, t.width, t.height), new Vector2(0, 0));

            byte[] bytedata = t.EncodeToPNG();
            //将下载的图片动态保存到本地
            File.WriteAllBytes(Application.dataPath + "/a", bytedata);
            image.sprite = csprite;
        }
    }
}

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2--------------------------------------------

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using UnityEngine.UI;
using UnityEngine.Networking;

public class LoadFromWeb : MonoBehaviour
{
    public Image image;
    public GameObject cube;
    string img_url = "https://pic.baike.soso.com/ugc/baikepic2/6749/20210720102025-811299437_jpeg_3968_2976_3786803.jpg/0";
    void Start()
    {
        StartCoroutine(LoadImage());
    }

    /// <summary>
    /// 加载图片
    /// </summary>
    /// <returns></returns>
    IEnumerator LoadImage()
    {
        using (UnityWebRequest webRequest = new UnityWebRequest())
        {
            //设置URL
            webRequest.url = img_url;
            //设置访问方式
            webRequest.method = UnityWebRequest.kHttpVerbGET;
            //设置下载类型
            webRequest.downloadHandler = new DownloadHandlerTexture();

            //协程等待
            yield return webRequest.SendWebRequest();

            if (webRequest.isNetworkError || webRequest.isHttpError)
            {
                Debug.Log(webRequest.error);
            }
            else
            {
                //将图片加载到3D平面
                cube.GetComponent<Renderer>().material.mainTexture =
                    DownloadHandlerTexture.GetContent(webRequest);
                //将图片加载到UI图片
                Texture2D texture2D =
                    DownloadHandlerTexture.GetContent(webRequest);
                image.sprite = Sprite.Create(
                    texture2D,
                    new Rect(0, 0, texture2D.width, texture2D.height),
                    new Vector2(0.5f, 0.5f));
            }

        }
    }
    /// <summary>
    /// 加载视频
    /// </summary>
    public void LoadVideo()
    {
        //videoPlayer.url = inputField.text;
        //videoPlayer.Play();

    }
}

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