C#调用WebApi(转)
时间:2019-11-06
本文章向大家介绍C#调用WebApi(转),主要包括C#调用WebApi(转)使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。
C#调用WebApi
1.WebRequest方式
Post:
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(); } }
Get:
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(); } }
2.HttpClient 方式
Post:
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"); }
Get:
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"); }
原文地址:https://www.cnblogs.com/LiZhongZhongY/p/11808881.html
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