UnityWebRequest下载图片和视频进行使用

快来打我* 2023-09-23 19:41 29阅读 0赞

利用空余时间写一下网络下载资源使用，进行熟悉一些UnityWebRequest，unity已经抛弃了WWW，这里很简单只需要把脚本挂载就行，所有的界面操作都通过代码实现。 资源的下载，删除都做了相应的操作![256c25a8231c404598191eb1347381ae.png][]

using System.Collections;
    using System.IO;
    using UnityEditor;
    using UnityEngine;
    using UnityEngine.Networking;
    using UnityEngine.Video;
    
    namespace AssetDatabaseTest
    {
        public class UnityWebRequestTest : MonoBehaviour
        {
            private void Start()
            {
                //下载视频
                StartCoroutine(Download());
                // DonLoadImage
                StartCoroutine(DonLoadImage());
            }
    
            IEnumerator Download()
            {
                var goTest = new GameObject
                {
                    name = "UnityWebRequest"
                };
                var unityWebRequest = UnityWebRequest.Get("https://klxxcdn.oss-cn-hangzhou.aliyuncs.com/histudy/hrm/media/bg3.mp4");
                yield return unityWebRequest.SendWebRequest();
                if (unityWebRequest.error!=null)
                {
                    Debug.Log("通信中");
                    yield return unityWebRequest;
                }
                var  downloadHandler=unityWebRequest.downloadHandler;
                if (!downloadHandler.isDone)
                {
                    Debug.Log("下载中");
                    yield return downloadHandler;
                }else
                {
                    Debug.Log("下载成功");
                    var videoPlayer=goTest.AddComponent<VideoPlayer>();
                    videoPlayer.renderMode = VideoRenderMode.CameraFarPlane;
                    videoPlayer.targetCamera=Camera.main;
                    Debug.Log(downloadHandler.data);
                    // if (!File.Exists(Application.dataPath + "/Resources/YourVideoName.mp4"))
                        yield return  File.WriteAllBytesAsync(Application.dataPath + "/Resources/YourVideoName.mp4",
                            downloadHandler.data);
                        AssetDatabase.Refresh();
                        videoPlayer.clip= Resources.Load<VideoClip>("YourVideoName");
                    // AssetDatabase.LoadAssetAtPath<VideoClip>(Application.dataPath + "/YourVideoName.mp4");
                    videoPlayer.Play();
                    videoPlayer.isLooping = true;
                }
            }
    
            IEnumerator DonLoadImage()
            {
                string url = "http://www.baidu.com/img/bdlogo.png";
               
                var unityWebRequest =  UnityWebRequestTexture.GetTexture(url);
                yield return unityWebRequest.SendWebRequest();
                if (unityWebRequest.error != null)
                {
                    Debug.Log("请求中");
                    yield return unityWebRequest;
                }
                var downloadHandler = unityWebRequest.downloadHandler;
                if (!downloadHandler.isDone)
                {
                    Debug.Log("下载中");
                    yield return downloadHandler;
                }
                else
                {
                    Debug.Log("下载完成");
                    var handlerData = downloadHandler;
                    yield return File.WriteAllBytesAsync(Application.dataPath + "/Resources/YourImage.png", handlerData.data);
                    var g= GameObject.CreatePrimitive(PrimitiveType.Capsule);
                    g.GetComponent<MeshRenderer>().sharedMaterial = new Material( g.GetComponent<MeshRenderer>().sharedMaterial);
                    // g.GetComponent<MeshRenderer>().sharedMaterial.color=Color.blue;
                    AssetDatabase.Refresh();
                    g.GetComponent<MeshRenderer>().sharedMaterial.mainTexture=
                        Resources.Load<Texture>("YourImage");
    
                }
                yield return null;
            }
    
            private void OnDestroy()
            {
                File.Delete(  Application.dataPath + "/Resources/YourImage.png");
                File.Delete(  Application.dataPath + "/Resources/YourVideoName.mp4");
                AssetDatabase.Refresh();
            }
        }
    }

[256c25a8231c404598191eb1347381ae.png]: https://img-blog.csdnimg.cn/256c25a8231c404598191eb1347381ae.png