private string BuildQueryString(string targetUrl, IOfficialRequest request)
{
if (request == null)
{
return(targetUrl);
}
var type = request.GetType();
var properties = type.GetProperties();
if (properties.Length > 0)
{
targetUrl = targetUrl.EnsureEndsWith('&');
}
var queryStringBuilder = new StringBuilder(targetUrl);
foreach (var propertyInfo in properties)
{
var jsonProperty = propertyInfo.GetCustomAttribute <JsonPropertyAttribute>();
var propertyName = jsonProperty != null ? jsonProperty.PropertyName : propertyInfo.Name;
queryStringBuilder.Append($"{propertyName}={propertyInfo.GetValue(request)}&");
}
return(queryStringBuilder.ToString().TrimEnd('&'));
}
public async Task <TResponse> RequestFromDataAsync <TResponse>(string targetUrl,
MultipartFormDataContent formDataContent,
IOfficialRequest officialRequest = null,
bool withAccessToken = true)
{
var client = _httpClientFactory.CreateClient();
targetUrl = targetUrl.EnsureEndsWith('?');
if (withAccessToken)
{
targetUrl += $"access_token={await _accessTokenAccessor.GetAccessTokenAsync()}";
}
var requestMsg = BuildHttpGetRequestMessage(targetUrl, officialRequest);
requestMsg.Method = HttpMethod.Post;
// 处理 HttpClient 提交表单的问题。
// 链接: https://www.cnblogs.com/myzony/p/12114507.html
var boundaryValue = formDataContent.Headers.ContentType.Parameters.Single(p => p.Name == "boundary");
boundaryValue.Value = boundaryValue.Value.Replace("\"", String.Empty);
requestMsg.Content = formDataContent;
var responseString = await(await client.SendAsync(requestMsg)).Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <TResponse>(responseString));
}
private HttpRequestMessage BuildHttpPostRequestMessage(string targetUrl, IOfficialRequest officialRequest)
{
return(new HttpRequestMessage(HttpMethod.Post, targetUrl)
{
Content = new StringContent(officialRequest.ToString())
});
}
private HttpRequestMessage BuildHttpGetRequestMessage(string targetUrl, IOfficialRequest officialRequest)
{
if (officialRequest == null)
{
return(new HttpRequestMessage(HttpMethod.Get, targetUrl));
}
var requestUrl = BuildQueryString(targetUrl, officialRequest);
return(new HttpRequestMessage(HttpMethod.Get, requestUrl));
}
public async Task <TResponse> RequestAsync <TResponse>(string targetUrl,
HttpMethod method,
IOfficialRequest officialRequest = null,
bool withAccessToken = true)
{
var resultStr = await RequestAsync(targetUrl,
method,
officialRequest,
withAccessToken);
return(JsonConvert.DeserializeObject <TResponse>(resultStr));
}
private HttpRequestMessage BuildHttpPostRequestMessage(string targetUrl, IOfficialRequest officialRequest, HttpContent httpContent = null)
{
if (httpContent is object)
{
var request = BuildHttpGetRequestMessage(targetUrl, officialRequest);
request.Content = httpContent;
return(request);
}
else
{
return(new HttpRequestMessage(HttpMethod.Post, targetUrl)
{
Content = new StringContent(officialRequest.ToString())
});
}
}
public async Task <string> RequestAsync(string targetUrl,
HttpMethod method,
IOfficialRequest officialRequest = null,
bool withAccessToken = true)
{
var client = _httpClientFactory.CreateClient();
targetUrl = targetUrl.EnsureEndsWith('?');
if (withAccessToken)
{
targetUrl += $"access_token={await _accessTokenAccessor.GetAccessTokenAsync()}";
}
var requestMsg = method == HttpMethod.Get
? BuildHttpGetRequestMessage(targetUrl, officialRequest)
: BuildHttpPostRequestMessage(targetUrl, officialRequest);
return(await(await client.SendAsync(requestMsg)).Content.ReadAsStringAsync());
}
public async Task <TResponse> RequestAsync <TResponse>(string targetUrl, HttpMethod method, IOfficialRequest officialRequest = null)
{
var client = _httpClientFactory.CreateClient();
targetUrl = $"{targetUrl}access_token={await _accessTokenAccessor.GetAccessTokenAsync()}";
var requestMsg = method == HttpMethod.Get
? BuildHttpGetRequestMessage(targetUrl, officialRequest)
: BuildHttpPostRequestMessage(targetUrl, officialRequest);
var resultStr = await(await client.SendAsync(requestMsg)).Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <TResponse>(resultStr));
}
