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

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