C#POST 支付宝/微信回调接口

一般支付宝/微信的回调接口都会返回xml格式，下面是调用类似这种接口的办法：



public async Task<string> GetData()

{

            string requestUrl = "http://localhost:xxx/xx/xxxx/xxx/xxxx";//请求的接口URL

            string contentType = "application/x-www-form-urlencoded";//请求文本类型

            string result = string.Empty;//返回结果，xml格式的字符串

            using (var client = new HttpClient())

            {

                object data = null;

                string str = JsonHelper.Instance.Serialize(data);//一般这种接口的请求参数都是空的，也就是不需要请求参数

                var content = new StringContent(str)

                {

                    Headers = { ContentType = new MediaTypeHeaderValue(contentType) }

                };

                HttpResponseMessage resp = await client.PostAsync(requestUrl, content);

                resp.EnsureSuccessStatusCode();//返回http响应状态码

                result = resp.Content.ReadAsStringAsync().Result;//<xml><return_code><![CDATA[{0}]]></return_code><return_msg><![CDATA[{1}]]></return_msg></xml>

                return result;

            }

}

下面介绍基本接口POST的办法，文本格式一般是JSON格式去请求：

public async Task<Result> GetData()

{

            string requestUrl = "http://xxxxxxxx/xxxx/xxx/xxx/xxx";//请求的接口URL

            string signData = "lrfVUpo8uCHvhPXEd6PsUH82XEkc+kUyQYDssRlop1AcbY5WXH0kWAWhAioQCwl5N+lZGDijqH67aaBcICa7LJOAN1r7z0H8ghNKOROW2ugGX6x7dZKeZA0GmfJsuNK30eONDu6GdTTnZGgEJsPepxh/AIFJZYdN6RVseIDJAwQ=";

            string data = "eyJJc1N1Y2Nlc3MiOnRydWUsIkNvZGUiOiIwMDUyMDE4MTAyNDI1NDkyODIiLCJEZXNjcmlwdGlvbiI6IuaTjeS9nOaIkOWKnyJ9";

            object obj = new { SignData = signData, Data = data };//使用匿名类构造object

            string result = string.Empty;

            using (var client = new HttpClient())

            {

                string str = JsonHelper.Instance.Serialize(obj);

                var content = new StringContent(str)

                {

                    Headers = { ContentType = new MediaTypeHeaderValue("Application/json") }

                };

                HttpResponseMessage resp = await client.PostAsync(requestUrl, content);

                if (resp.IsSuccessStatusCode)

                {

                    result = resp.Content.ReadAsStringAsync().Result;

                }

                return JsonHelper.Instance.Deserialize<Result>(result);//这里返回的是字符串，JSON格式数据

            }

}

后续可以序列化字符串为对象

巴特西

C#POST 支付宝/微信回调接口

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