REST接口GET方法获取文件保存到本地(C#)

最新推荐文章于 2023-05-02 10:22:30 发布

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本文介绍了如何通过C#的HTTP客户端利用GET方法从REST接口获取文件内容，并将其保存到本地计算机。内容涉及HTTP请求、响应处理及文件流操作。

REST接口GET方法获取文件保存到本地(C#)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;

namespace testConsoleApplication1
{
    class Class1
    {
        static void Main(string[] args)
        {
            string urlstr = @"http://127.0.0.1/open/files/***files";
            //string urlstr = @"http://127.0.0.1/open/files/***files/1.pdf";
            //"http://creditcard.bankcomm.com/jhbc/download/discount/baiwan_c3.pdf";
            //"http://127.0.0.1/open/files/***files/1.pdf";
            //FileStream fs = new FileStream(@"d:\***1.pdf", FileMode.Create, FileAccess.Write);
            FileStream fs = new FileStream(@"d:\filesList.xml", FileMode.Create, FileAccess.Write);
            Uri url = new Uri(urlstr);
            HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url);
            myHttpWebRequest.Accept = "application/xml";
            myHttpWebRequest.Headers.Add("X-***-Token-Id","***");            
            myHttpWebRequest.Method = "GET";
            HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
            Console.WriteLine(myHttpWebResponse.StatusCode.ToString());

            Stream receiveStream = myHttpWebResponse.GetResponseStream();
            Byte[] bytes = new Byte[100];
            int count = receiveStream.Read(bytes, 0, 100);
            while (count != 0)
            {
                fs.Write(bytes, 0, count);
                count = receiveStream.Read(bytes, 0, 100);
            }
            fs.Close();
            receiveStream.Close();
            myHttpWebResponse.Close();


        }
    }
}