From d41f1d4a478c1afcc43f3a5abb0ba76e376bc7c1 Mon Sep 17 00:00:00 2001 From: wei <kaede@kaededeMacBook-Air.local> Date: 星期二, 09 三月 2021 15:23:25 +0800 Subject: [PATCH] 2 --- HDL_ON/Common/FileUtlis.cs | 75 +++++++++++++++++++++++++++++++++++++ 1 files changed, 75 insertions(+), 0 deletions(-) diff --git a/HDL_ON/Common/FileUtlis.cs b/HDL_ON/Common/FileUtlis.cs index 03d1695..0d3e2f2 100644 --- a/HDL_ON/Common/FileUtlis.cs +++ b/HDL_ON/Common/FileUtlis.cs @@ -1,6 +1,7 @@ 锘縰sing System; using System.Collections.Generic; using System.IO; +using System.Net; using HDL_ON.Entity; namespace HDL_ON.Common @@ -271,5 +272,79 @@ } + + /// <summary> + /// 涓嬭浇缃戠粶鍥剧墖 + /// </summary> + /// <param name="fileName"></param> + /// <param name="url"></param> + public void DownLoadImage(string fileName, string url,Action action) + { + if (!File.Exists(fileName)) + { + System.Threading.Tasks.Task.Run(() => { + FileStream fs = null; + try + { + MyWebClient webClient = new MyWebClient(); + byte[] recevieBytes = webClient.DownloadData(new Uri(url)); + fs = new FileStream(Path.Combine(RootPath, fileName), FileMode.Create, FileAccess.Write); + //fs = new FileStream(fileName, FileMode.Create, FileAccess.Write); + fs.Write(recevieBytes, 0, recevieBytes.Length); + fs.Flush(); + } + catch (Exception ex) { + MainPage.Log($"down image : {ex.Message}"); + } + finally + { + if (fs != null) + { + fs.Close(); + action?.Invoke(); + } + } + }); + } + } + } + + + public class MyWebClient : WebClient + { + int _timeout = 10000; + + /// <summary> + /// 瓒呮椂鏃堕棿(姣) + /// </summary> + public int Timeout + { + get + { + return _timeout; + } + set + { + _timeout = value; + } + } + public MyWebClient() + { + + } + + public MyWebClient(int timeout) + { + this._timeout = timeout; + } + + protected override WebRequest GetWebRequest(Uri address) + { + var result = base.GetWebRequest(address); + result.Timeout = this._timeout; + return result; + } + } + } -- Gitblit v1.8.0