C#客户端传文件对应java的 MultipartFile

longshuaicheng

于 2019-08-01 15:18:07 发布

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本文链接：https://blog.youkuaiyun.com/longshuaicheng/article/details/98062542

这段代码展示了如何使用C#的HttpWebRequest类来构造一个POST请求，以上传文件到Java服务器端的MultipartFile接口。通过设置请求头、内容类型和边界，以及读取文件内容并写入请求流，实现了文件的上传操作。

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private string UploadRequest(string url, string path, string name)
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
CookieContainer cookieContainer = new CookieContainer();
request.CookieContainer = cookieContainer;
request.AllowAutoRedirect = true;
request.MaximumResponseHeadersLength = 1024;
request.Method = "POST";
string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
request.ContentType = "multipart/form-data;charset=utf-8;boundary=----WebKitFormBoundary" + boundary;
byte[] itemBoundaryBytes = Encoding.UT