Asp.NET大檔案上傳開發總結(二)

為了提供檔案內容，我們需要首先需確定客戶請求中發送的有檔案內容，然後確定檔案內容的位置。這部分對應的代碼如下：

1HttpApplication app = sender as HttpApplication; 2            HttpWorkerRequest request = GetWorkerRequest(app.Context); 3            4            if (!IsUploadRequest(app.Request)) return; //不是檔案上傳，則退出 5            6            string sContentType = app.Request.ContentType.ToLower(); 7            byte[] arrBoundary = GetMultipartBoundary(sContentType); 8            int ContentLength = app.Request.ContentLength; //資訊體的總長度 9 10            DataReader dataReader = new DataReader(app.Context.Request.ContentEncoding, arrBoundary); 11            DateTime startDate = DateTime.Now; 12            byte[] arrBuffer = request.GetPreloadedEntityBody(); 13            if (arrBuffer == null) 14            { 15                arrBuffer = new Byte[0]; 16                tempFile.Close(); 17                return; //沒有讀取到資訊體 18            } 19            else 20        &

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