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永远也不要停下学习的脚步(大道至简至易)

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1
  

1.WebRequest方式

Post:

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private void button1_Click(object sender, EventArgs e)
        {
           string ss= HttpPost("http://localhost:41558/api/Demo/PostXXX", "{Code:\"test089\",Name:\"test1\"}");
        }

        public static string HttpPost(string url, string body)
        {
            //ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
            Encoding encoding = Encoding.UTF8;
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/json";
       
            byte[] buffer = encoding.GetBytes(body);
            request.ContentLength = buffer.Length;
            request.GetRequestStream().Write(buffer, 0, buffer.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
            {
                return reader.ReadToEnd();
            }
        }
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Get:

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 private void button1_Click(object sender, EventArgs e)
        {
            string ss = HttpGet("http://localhost:41558/api/Demo/GetXXX?Name=北京");
        }

        public static string HttpGet(string url)
        {
            //ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
            Encoding encoding = Encoding.UTF8;
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "GET";
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/json";
           
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
            {
                return reader.ReadToEnd();
            }
        }
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2.HttpClient 方式

Post:

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private async void button2_Click(object sender, EventArgs e)
{
     HttpClient client = new HttpClient();
     //由HttpClient发出Delete Method
     HttpResponseMessage response = await client.DeleteAsync("http://localhost:41558/api/Demo"+"/1");
     if (response.IsSuccessStatusCode)
         MessageBox.Show("成功");
}

private async void button3_Click(object sender, EventArgs e)
{
     //创建一个处理序列化的DataContractJsonSerializer
     DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(People));
     MemoryStream ms = new MemoryStream();
     //将资料写入MemoryStream
     serializer.WriteObject(ms, new People() { Id = 1, Name = "Hello ni" });
     //一定要在这设定Position
     ms.Position = 0;
     HttpContent content = new StreamContent(ms);//将MemoryStream转成HttpContent
     content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
     HttpClient client = new HttpClient();
     //由HttpClient发出Put Method
     HttpResponseMessage response = await client.PutAsync("http://localhost:41558/api/Demo"+ "/1", content);
     if (response.IsSuccessStatusCode)
         MessageBox.Show("成功");
}
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Get:

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using (WebClient client = new WebClient())
{
     client.Headers["Type"] = "GET";
     client.Headers["Accept"] = "application/json";
     client.Encoding = Encoding.UTF8;
     client.DownloadStringCompleted += (senderobj, es) =>
     {
         var obj = es.Result;
     };
     client.DownloadStringAsync("http://localhost:41558/api/Demo");
}
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 WebAPI接收处理(方法没用参数,不喜欢用参数,反而觉得不好控制)

 

    public class DefaultController : ApiController
    {
        // GET api/values/5
        public List<Site> Get()
        {
            string Name = System.Web.HttpContext.Current.Request["Name"].ToString();

            var sites = new List<Site>();

            sites.Add(new Site { SiteId = 1, Title = "test", Uri = "www.cnblogs.cc" });

            sites.Add(new Site { SiteId = 2, Title = "博客园首页", Uri = "www.cnblogs.com" });

            sites.Add(new Site { SiteId = 3, Title = "博问", Uri = "q.cnblogs.com" });

            sites.Add(new Site { SiteId = 4, Title = "新闻", Uri = "news.cnblogs.com" });

            sites.Add(new Site { SiteId = 5, Title = "招聘", Uri = "job.cnblogs.com" });
            var result = (from Site site in sites where site.SiteId > 0 select site).Take(10).ToList();
            return result;

        }

        // POST api/values
        public List<Site> Post()
        {
           
            System.IO.Stream s = System.Web.HttpContext.Current.Request.InputStream;
            byte[] b = new byte[s.Length];
            s.Read(b, 0, (int)s.Length);
            string Name= System.Text.Encoding.UTF8.GetString(b);

            var sites = new List<Site>();

            sites.Add(new Site { SiteId = 1, Title = "test", Uri = "www.cnblogs.cc" });

            sites.Add(new Site { SiteId = 2, Title = "博客园首页2", Uri = "www.cnblogs.com" });

            sites.Add(new Site { SiteId = 3, Title = "博问", Uri = "q.cnblogs.com" });

            sites.Add(new Site { SiteId = 4, Title = "新闻", Uri = "news.cnblogs.com" });

            sites.Add(new Site { SiteId = 5, Title = "招聘", Uri = "job.cnblogs.com" });
            var result = (from Site site in sites where site.SiteId > 0 select site).Take(10).ToList();
            return result;
        }
    }

 

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