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  • C#之通过图片地址下载图片

    因为项目上需要加载在线卫星云图,因此写了这个功能来把卫星云图下载的本地,在这里记录一下:

    string imageUrl=“http://image.nmc.cn/product/2018/08/06/WXCL/SEVP_NSMC_WXCL_ASC_E99_ACHN_LNO_PY_20180806051500000.JPG?v=1533532726321”;
    string _ImagePath = AppDomain.CurrentDomain.BaseDirectory + "Resources\CloudImages\"+“test.JPG”;

    上面为图片地址和本地文件夹的设置。

    接下来是图片下载相关代码:

                            HttpWebRequest request = HttpWebRequest.Create(imageUrl) as HttpWebRequest;
                            HttpWebResponse response = null;
                            response = request.GetResponse() as HttpWebResponse;if (response.StatusCode != HttpStatusCode.OK) continue;
                            Stream reader = response.GetResponseStream();
                            FileStream writer = new FileStream(_ImagePath, FileMode.OpenOrCreate, FileAccess.Write);
                            byte[] buff = new byte[512];
                            int c = 0; //实际读取的字节数
                            while ((c = reader.Read(buff, 0, buff.Length)) > 0)
                            {
                                writer.Write(buff, 0, c);
                            }
                            writer.Close();
                            writer.Dispose();
                            reader.Close();
                            reader.Dispose();
                            response.Close();
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  • 原文地址:https://www.cnblogs.com/huangwei1992/p/9429772.html
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