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Rest客户端

时间:2019-01-24 19:53:23      阅读:197      评论:0      收藏:0      [点我收藏+]
 public class RestClient
    {
        public string EndPoint { get; set; }    //请求的url地址 
        public HttpVerb Method { get; set; }    //请求的方法  
        public string ContentType { get; set; } //格式类型:我用的是application/json,text/xml具体使用什么,看需求吧  
        public string PostData { get; set; }    //传送的数据,当然了我使用的是json字符串  

        public RestClient()
        {
            EndPoint = "";
            Method = HttpVerb.GET;
            ContentType = "application/x-www-form-urlencoded";
            PostData = "";
        }
        public RestClient(string endpoint)
        {
            EndPoint = endpoint;
            Method = HttpVerb.GET;
            ContentType = "application/json";
            PostData = "";
        }
        public RestClient(string endpoint, HttpVerb method)
        {
            EndPoint = endpoint;
            Method = method;
            ContentType = "application/json";
            PostData = "";
        }

        public RestClient(string endpoint, HttpVerb method, string postData)
        {
            EndPoint = endpoint;
            Method = method;
            ContentType = "application/json";
            PostData = postData;
        }
        public RestClient(string endpoint, HttpVerb method, string postData, string contentType)
        {
            EndPoint = endpoint;
            Method = method;
            ContentType = contentType;
            PostData = postData;
        }

        public string MakeRequest()
        {
            return MakeRequest("");
        }

        public string MakeRequest(string parameters)
        {

            var request = (HttpWebRequest)WebRequest.Create(EndPoint + parameters);
            request.Method = Method.ToString();
            request.ContentType = ContentType;
            
            if (!string.IsNullOrEmpty(PostData) && Method == HttpVerb.POST)//如果传送的数据不为空,并且方法是post  
            {
                var encoding = new UTF8Encoding();
                //string encodestr = HttpContext.Current.Server.UrlEncode(PostData);
                //var encodestr = HttpUtility.UrlEncode(PostData);
                var bytes = Encoding.GetEncoding("UTF-8").GetBytes(PostData);//编码方式按自己需求进行更改,我在项目中使用的是UTF-8  
                request.ContentLength = bytes.Length;

                using (var writeStream = request.GetRequestStream())
                {
                    writeStream.Write(bytes, 0, bytes.Length);
                }
            }

            if (!string.IsNullOrEmpty(PostData) && Method == HttpVerb.PUT)//如果传送的数据不为空,并且方法是put  
            {
                var encoding = new UTF8Encoding();
                var bytes = Encoding.GetEncoding("iso-8859-1").GetBytes(PostData);//编码方式按自己需求进行更改,我在项目中使用的是UTF-8  
                request.ContentLength = bytes.Length;

                using (var writeStream = request.GetRequestStream())
                {
                    writeStream.Write(bytes, 0, bytes.Length);
                }
            }
            using (var response = (HttpWebResponse)request.GetResponse())
            {
                var responseValue = string.Empty;

                if (response.StatusCode != HttpStatusCode.OK)
                {
                    var message = String.Format("Request failed. Received HTTP {0}", response.StatusCode);
                    throw new ApplicationException(message);
                }

                // grab the response  
                using (var responseStream = response.GetResponseStream())
                {
                    if (responseStream != null)
                        using (var reader = new StreamReader(responseStream))
                        {
                            responseValue = reader.ReadToEnd();
                        }
                }

                return responseValue;
            }
        }

    }
    public enum HttpVerb
    {
        GET,            //method  常用的就这几样,当然你也可以添加其他的   get:获取    post:修改    put:写入    delete:删除  
        POST,
        PUT,
        DELETE
    }

 

Rest客户端

原文:https://www.cnblogs.com/zhengwei-cq/p/10316356.html

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