我从腾讯云的对象存储中下载图片加载到unity中去显示，为什么有的机型可以正常显示（魅族），有的机型不能正常显示我的图片（华为）
代码如下，图片是png格式，同一网络下测试
using UnityEngine;
using UnityEngine.UI;
using System.IO;
using System.Threading.Tasks;
using UnityEngine.EventSystems;
using COSXML;
using COSXML.Auth;
using COSXML.Model.Object;
using COSXML.Transfer;
using System.Collections.Generic;
public class Dowlongd_show : MonoBehaviour
{
public Button uploadButton;
public RawImage rawImagePrefab; // 引用RawImage预制体
public Canvas canvas;
private CosXml cosXml;
private List<string> imageNames = new List<string>(); // 添加一个列表存储要下载的图片名字
public Text myText7;//测试
public Text myText8;//测试
public Text myText9;//测试
void Start()
{
uploadButton.onClick.AddListener(OnUploadButtonClick);
//初始化 CosXmlConfig
CosXmlConfig config = new CosXmlConfig.Builder()
.IsHttps(true) //设置默认 HTTPS 请求
.SetRegion("ap-nanjing") // 替换为实际的COS地域简称->设置一个默认的存储桶地域
.SetDebugLog(true) //显示日志
.Build();
string secretId = "AKIDOk1C##############zKuU8ocaejo2H"; // 替换为实际的SecretId
string secretKey = "IUrGjO8xw3###################xZChZ"; // 替换为实际的SecretKey
long durationSecond = 600;//每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId, secretKey, durationSecond);
cosXml = new CosXmlServer(config, qCloudCredentialProvider);// 初始化 CosXmlServer
// 假设要下载以下三张图片，实际使用时请替换为您的图片名字列表
imageNames.Add("image/Img_1(Clone)_(-196.0, -47.4)_(330.0, 80.0).png");
imageNames.Add("image/Img_2(Clone)_(72.5, -47.4)_(125.9, 80.0).png");
imageNames.Add("image/Img_3(Clone)_(-296.4, -182.4)_(129.2, 80.0).png");
//myText9.text = "初始化完成";
}
private async void OnUploadButtonClick()//下载指定路径的对象
{
string bucket = "chem1-13###958"; // //存储桶，格式：BucketName-APPID
//string cosPath = "image/1.png"; //对象在存储桶中的位置标识符，即称对象键
string localDir = System.IO.Path.GetTempPath();//本地文件夹
//string localFileName = "2858.bmp"; //指定本地保存的文件名
// 初始化 TransferConfig
TransferConfig transferConfig = new TransferConfig();
// 手动设置高级下载接口的分块阈值为 20MB(默认为20MB),
transferConfig.DivisionForDownload = 20 * 1024 * 1024;
// 手动设置高级下载接口的分块大小为 10MB(默认为5MB),不建议此处设置过小的分块值,可能导致频繁重试或下载速度不合预期
transferConfig.SliceSizeForDownload = 10 * 1024 * 1024;
TransferManager transferManager = new TransferManager(cosXml, transferConfig);// 初始化 TransferManager
//myText9.text = "初始化transferManager完成";
int i = 1;
foreach (string imageName in imageNames)
{
//myText7.text = "进入循环";
string localFileName = Path.GetFileName(imageName); // 获取图片在本地保存的文件名
// print(localFileName);
myText9.text = "获取图片完成"+ localFileName;
// 下载对象
COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(bucket, imageName, localDir, localFileName);
myText7.text = "downloadTask";
downloadTask.SetMaxTasks(10); // 手动设置高级下载接口的并发数 (默认为5)
myText7.text = "下载接口的并发数";
await transferManager.DownloadAsync(downloadTask);//批量下载时打开
myText9.text = "批量下载时打开";
// print("开始下载");
myText7.text = "开始下载"+i;
// 实例化RawImage预制体
RawImage downloadedImage = Instantiate(rawImagePrefab);
RectTransform downloadedImage_rct = downloadedImage.GetComponent<RectTransform>();
myText8.text = "实例化完成" + i;
// print("实例化完成");
// 加载下载的图像到Texture2D对象
Texture2D downloadedTexture = LoadTextureFromFilePath(Path.Combine(localDir, localFileName));
downloadedImage_rct.SetParent(canvas.transform, false);
downloadedImage_rct.anchoredPosition = new Vector2(0, 0);
if (downloadedTexture != null)
{
// 将Texture2D赋值给RawImage的texture属性
downloadedImage.texture = downloadedTexture;
}
else
{
Debug.LogError("Failed to load downloaded image as Texture2D.");
}
i=i+1;
}
}
// 用于从文件路径加载图像到Texture2D对象
private Texture2D LoadTextureFromFilePath(string filePath)
{
if (!File.Exists(filePath))
{
Debug.LogError($"File not found: {filePath}");
return null;
}
byte[] imageBytes = File.ReadAllBytes(filePath);
Texture2D texture = new Texture2D(2, 2);
if (texture.LoadImage(imageBytes))
{
return texture;
}
else
{
Debug.LogError($"Failed to load image from bytes: {filePath}");
return null;
}
}
}
腾讯云的sdk指导链接如下
正常效果
bug效果
