Xamarin.Forms 使用HttpClient上传文件
在应用开发中，上传图片很多时候都是不可避免的问题；
以下用HttpClient实现的上传文件代码：
1 ?public static async Task<string> UploadFileAsync(string url ,string path) 2 ????????{ 3 ????????????using (var client = new HttpClient()) 4 ????????????{ 5 ????????????????using (var content = new MultipartFormDataContent("Upload----" + DateTime.Now.Ticks.ToString("x"))) 6 ????????????????{ 7 ????????????????????var upfilebytes = File.ReadAllBytes(path); 8 ????????????????????var ms = new MemoryStream(upfilebytes); 9 ????????????????????content.Add(new StreamContent(ms), "file", "upload.jpg");10 ????????????????????using (var httpResponseMessage = await client.PostAsync(url, content))11 ????????????????????{12 ????????????????????????var responseContent = "";13 ????????????????????????if (httpResponseMessage.IsSuccessStatusCode)14 ????????????????????????{15 ????????????????????????????responseContent = await httpResponseMessage.Content.ReadAsStringAsync();16 ????????????????????????}17 ????????????????????????return responseContent;18 ????????????????????}19 ????????????????}20 ????????????}21 ????????}Xamarin.Forms 使用HttpClient上传文件
原文地址：https://www.cnblogs.com/devin_zhou/p/8442650.html