using System;
|
using Shared;
|
using HDL_ON.DAL.Server;
|
using System.IO;
|
|
namespace HDL_ON
|
{
|
/// <summary>
|
/// ImageUtlis
|
/// 图片下载处理
|
/// </summary>
|
public class ImageUtlis
|
{
|
/// <summary>
|
/// 用户头像
|
/// </summary>
|
public const string HEADIMAGE = "HeadImage.png";
|
|
#region ■ 变量声明___________________________
|
/// <summary>
|
/// 通用方法
|
/// </summary>
|
private static ImageUtlis m_Current = null;
|
/// <summary>
|
/// 通用方法
|
/// </summary>
|
public static ImageUtlis Current
|
{
|
get
|
{
|
if (m_Current == null)
|
{
|
m_Current = new ImageUtlis();
|
}
|
return m_Current;
|
}
|
}
|
#endregion
|
|
|
#region 文件读写
|
/// <summary>
|
/// 根目录
|
/// </summary>
|
string RootPath = Environment.GetFolderPath(System.Environment.SpecialFolder.Personal) + "/";
|
/// <summary>
|
/// 文件是否存在
|
/// </summary>
|
/// <param name="filePath">File path.</param>
|
public bool Exists(string filePath)
|
{
|
return File.Exists(Path.Combine(RootPath, filePath));
|
}
|
|
/// <summary>
|
/// Writes the file by bytes.
|
/// </summary>
|
/// <returns><c>true</c>, if file by bytes was writed, <c>false</c> otherwise.</returns>
|
/// <param name="fileName">File name.</param>
|
/// <param name="bytes">Bytes.</param>
|
public bool WriteFileByBytes(string fileName, byte[] bytes)
|
{
|
if (fileName == null || (fileName = fileName.Trim()) == (""))
|
{
|
return false;
|
}
|
|
FileStream fs = null;
|
|
try
|
{
|
fs = new FileStream(Path.Combine(RootPath, fileName), FileMode.Create, FileAccess.Write);
|
fs.Write(bytes, 0, bytes.Length);
|
fs.Flush();
|
MainPage.Log("SaveFile:" + fileName);
|
return true;
|
}
|
catch (Exception ex)
|
{
|
MainPage.Log("FileUtiles Code 113:" + ex.ToString());
|
return false;
|
}
|
finally
|
{
|
try
|
{
|
if (fs != null)
|
{
|
fs.Close();
|
}
|
}
|
catch (Exception ex)
|
{
|
MainPage.Log("FileUtils Code 121 :" + ex.ToString());
|
}
|
}
|
}
|
public byte[] ReadFile(string fileName)
|
{
|
FileStream fs = null;
|
try
|
{
|
if (File.Exists(Path.Combine(RootPath, fileName)))
|
{
|
fs = new FileStream(Path.Combine(RootPath, fileName), FileMode.Open, FileAccess.Read);
|
}
|
else if (File.Exists(fileName))
|
{
|
fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
|
}
|
else
|
{
|
return new byte[0];
|
}
|
byte[] bytes = new byte[fs.Length];
|
fs.Read(bytes, 0, bytes.Length);
|
return bytes;
|
}
|
catch
|
{
|
return new byte[0];
|
}
|
finally
|
{
|
try
|
{
|
if (fs != null)
|
{
|
fs.Close();
|
}
|
}
|
catch
|
{
|
|
}
|
}
|
}
|
|
#endregion
|
|
#region 房间、场景 图片上传和下载
|
/// <summary>
|
/// 上传图片
|
/// </summary>
|
public string UploadImage(UploadImageObj uploadImageObj)
|
{
|
var requestJson = HttpUtil.GetSignRequestJson(uploadImageObj);
|
var revertObj = HttpUtil.RequestHttpsPostFroHome(NewAPI.API_POST_UploadImage, requestJson);
|
if(revertObj.Code == StateCode.SUCCESS)
|
{
|
if(revertObj.Data != null)
|
{
|
return revertObj.Data.ToString();
|
}
|
}
|
else
|
{
|
IMessageCommon.Current.ShowErrorInfoAlter(revertObj.Code);
|
}
|
return "";
|
}
|
|
/// <summary>
|
/// 通过图片路径下载图片
|
/// 针对住宅，使用住宅域名服务器
|
/// </summary>
|
public byte[] GetImageDownloadUrl(string imageKey)
|
{
|
var requestJson = HttpUtil.GetSignRequestJson(new GetImageUrlObj()
|
{
|
imageKey = imageKey,
|
});
|
var revertObj = HttpUtil.RequestHttpsPostFroHome(NewAPI.API_POST_GetImageUrl, requestJson);
|
if (revertObj.Code == StateCode.SUCCESS)
|
{
|
if (revertObj.Data != null)
|
{
|
if (!string.IsNullOrEmpty(revertObj.Data.ToString()))
|
{
|
var url = revertObj.Data.ToString();
|
return HttpUtil.HttpsDownload(url);
|
}
|
}
|
}
|
return null;
|
}
|
|
/// <summary>
|
/// 通过图片路径下载图片
|
/// 针对用户头像指定用户路径等
|
/// </summary>
|
public byte[] GetImageDownloadUrlWithRegionUrl(string imageKey, string regionUrl)
|
{
|
var requestJson = HttpUtil.GetSignRequestJson(new GetImageUrlObj()
|
{
|
imageKey = imageKey,
|
});
|
var revertObj = HttpUtil.RequestHttpsPost(NewAPI.API_POST_GetImageUrl, requestJson, regionUrl);
|
if (revertObj.Code == StateCode.SUCCESS)
|
{
|
if (revertObj.Data != null)
|
{
|
if (!string.IsNullOrEmpty(revertObj.Data.ToString()))
|
{
|
var url = revertObj.Data.ToString();
|
return HttpUtil.HttpsDownload(url);
|
}
|
}
|
}
|
return null;
|
}
|
|
/// <summary>
|
/// 2020-12-03
|
/// 检测加载图片
|
/// 该方法目前只适用于房间和场景的背景图片
|
/// </summary>
|
/// <param name="imageKey">图片路径、云端下载图片的标识key</param>
|
/// <param name="imageView">需要显示图片的ImageView</param>
|
/// <param name="ignoreCache">是否需要忽略缓存</param>
|
public void LoadLocalOrNetworkImages(string imageKey, ImageView imageView, bool ignoreCache = false)
|
{
|
try
|
{
|
//1.本地默认图库图片，直接加载本地
|
if (imageKey.Contains("Classification/Room/Roombg") || imageKey.Contains("Intelligence/Gallery/scenebg"))
|
{
|
if (imageView != null)
|
{
|
imageView.ImageBytes = null;
|
imageView.ImagePath = imageKey;
|
//Utlis.WriteLine("imageKey 加载本地图片成功");
|
}
|
}
|
else
|
{
|
//2.自定义图片，检测是否本地缓存过，没有则云端下载然后缓存
|
if (!ignoreCache && Exists(imageKey))
|
{
|
//2.1 本地有缓存并且不忽略缓存，直接本地读取
|
if (imageView != null)
|
{
|
imageView.ImageBytes = ReadFile(imageKey);
|
//Utlis.WriteLine("imageKey 加载自定义缓存图片成功");
|
}
|
}
|
else
|
{
|
//2.2 本地没缓存，开启线程云端下载然后缓存
|
System.Threading.Tasks.Task.Run(() =>
|
{
|
byte[] imageBytes = GetImageDownloadUrl(imageKey);
|
if (imageBytes != null)
|
{
|
WriteFileByBytes(imageKey, imageBytes);
|
//2.3 下载成功，显示并缓存本地
|
Application.RunOnMainThread(() =>
|
{
|
if (imageView != null)
|
{
|
imageView.ImageBytes = imageBytes;
|
//Utlis.WriteLine("imageKey 加载云端下载图片成功");
|
}
|
});
|
}
|
else
|
{
|
//2.4 下载是否，是否使用默认图片
|
//Utlis.WriteLine("imageKey 加载云端图片失败");
|
}
|
});
|
}
|
}
|
}
|
catch (Exception ex)
|
{
|
Utlis.WriteLine("imageKey 加载图片异常 catch");
|
}
|
finally
|
{
|
}
|
}
|
|
/// <summary>
|
/// 2020-12-03
|
/// 检测加载图片
|
/// 该方法目前只适用于房间和场景的背景图片
|
/// </summary>
|
/// <param name="imageKey">图片路径、云端下载图片的标识key</param>
|
/// <param name="frameLayout">需要显示图片的FrameLayout</param>
|
/// <param name="ignoreCache">是否需要忽略缓存</param>
|
public void LoadLocalOrNetworkImages(string imageKey, FrameLayout frameLayout, bool ignoreCache = false)
|
{
|
try
|
{
|
//1.本地默认图库图片，直接加载本地
|
if (imageKey.Contains("Classification/Room/Roombg") || imageKey.Contains("Intelligence/Gallery/scenebg"))
|
{
|
if (frameLayout != null)
|
{
|
//imageView.ImageBytes = null;
|
frameLayout.BackgroundImagePath = imageKey;
|
//Utlis.WriteLine("imageKey 加载本地图片成功");
|
}
|
}
|
else
|
{
|
//2.自定义图片，检测是否本地缓存过，没有则云端下载然后缓存
|
if (!ignoreCache && Exists(imageKey))
|
{
|
//2.1 本地有缓存并且不忽略缓存，直接本地读取
|
if (frameLayout != null)
|
{
|
frameLayout.BackgroundImagePath = imageKey;
|
//Utlis.WriteLine("imageKey 加载自定义缓存图片成功");
|
}
|
}
|
else
|
{
|
//2.2 本地没缓存，开启线程云端下载然后缓存
|
System.Threading.Tasks.Task.Run(() =>
|
{
|
byte[] imageBytes = GetImageDownloadUrl(imageKey);
|
if (imageBytes != null)
|
{
|
WriteFileByBytes(imageKey, imageBytes);
|
//2.3 下载成功，显示并缓存本地
|
Application.RunOnMainThread(() =>
|
{
|
if (frameLayout != null)
|
{
|
frameLayout.BackgroundImagePath = imageKey;
|
//Utlis.WriteLine("imageKey 加载云端下载图片成功");
|
}
|
});
|
}
|
else
|
{
|
//2.4 下载是否，是否使用默认图片
|
//Utlis.WriteLine("imageKey 加载云端图片失败");
|
}
|
});
|
}
|
}
|
}
|
catch (Exception ex)
|
{
|
Utlis.WriteLine("imageKey 加载图片异常 catch");
|
}
|
finally
|
{
|
}
|
}
|
|
// /// <summary>
|
///// 获取拼接用户头像的ImageKey规则
|
///// </summary>
|
///// <returns></returns>
|
//public string GetHeadImageKey(string userId)
|
// {
|
// return "ON" + "_" + userId + "_" + HEADIMAGE;
|
// }
|
|
///// <summary>
|
///// 生成头像上传规则参数
|
///// </summary>
|
///// <returns></returns>
|
//public UploadImageObj GetHeadImageUploadKeyObj(string userId)
|
//{
|
// return new UploadImageObj()
|
// {
|
// prefix = "Icon" + Utlis.GetTimestamp(),
|
// uid = userId,
|
// fileName = HEADIMAGE,
|
// };
|
//}
|
|
/// <summary>
|
/// 下载用户头像
|
/// </summary>
|
/// <param name="imageKey"></param>
|
/// <param name="ignoreCache">忽略缓存</param>
|
/// <param name="regionUrl">指定服务器域名,传空为使用当前用户地址</param>
|
/// <returns></returns>
|
public byte[] DownHeadImageByImageKey(string imageKey, bool ignoreCache = false, string regionUrl = "")
|
{
|
try
|
{
|
if (string.IsNullOrEmpty(imageKey)) return null;
|
|
byte[] imageBytes;
|
if (!ignoreCache && Exists(imageKey))
|
{
|
//本地有缓存
|
imageBytes = ReadFile(imageKey);
|
}
|
else
|
{
|
//云端下载
|
imageBytes = GetImageDownloadUrlWithRegionUrl(imageKey, regionUrl);
|
if(imageBytes != null)
|
{
|
//保存到本地
|
WriteFileByBytes(imageKey, imageBytes);
|
}
|
|
}
|
return imageBytes;
|
}
|
catch
|
{
|
return null;
|
}
|
}
|
|
#endregion
|
}
|
}
|
