C#发起HTTP请求Post请求

https://www.cnblogs.com/jiangchengbiao/p/9982788.html

浏览器能看到的数据用后端模拟请求都能获取到如果拿不到看看是不是请求参数哪里没设置刚好服务器检查了这个参数

            string url = "";
            string para = "";
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);//创建请求对象
            request.Method = "Post";//请求方式
            request.KeepAlive = true;
            request.ContentType = "application/json";//请求头参数
            byte[] bytes = System.Text.Encoding.UTF8.GetBytes(para);//设置请求参数
            request.ContentLength = bytes.Length;
            Stream stream = request.GetRequestStream();
            stream.Write(bytes, 0, bytes.Length);//写入参数
            stream.Close();
            using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())//响应对象
            {
                StreamReader reader = new StreamReader(response.GetResponseStream());
                string str = reader.ReadToEnd();//获取返回的页面信息
                //根据返回的格式 创建一个对象  把Json反序列化成对应的类型对象
                //反序列化的时候需要先创建一个模型来存放数据
                Dto dto = JsonConvert.DeserializeObject<Dto>(str);
            }

设置请求头参数

request.Headers.Add("Accept", "*/*");
 request.Headers.Add("Accept-Encoding", "gzip, deflate, sdch");
 request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.9");
 request.KeepAlive = true;
// request.Connection = "keep-alive";
// request.Headers.Add("Cookie", "");
 request.Host = "sshhbhaokn.jin10.com:8083";
 
 request.Headers.Add("Referer", "https://hero.jin10.com/");
 
 request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36";