/// <summary>
/// 同步的请求方式
/// </summary>
/// <param name="request">请求的参数</param>
/// <param name="completionOption"></param>
/// <param name="token"></param>
/// <param name="client"></param>
/// <returns>自定义的Response结果</returns>
public static Task <HttpResponseMessage> RestSend(this FyHttpRequest request,
HttpCompletionOption completionOption,
CancellationToken token,
HttpClient client = null)
{
return((client ?? GetDefaultClient()).RestSend(request, completionOption, token));
}
/// <summary>
/// 配置使用的cotent
/// </summary>
/// <param name="reqMsg"></param>
/// <param name="req"></param>
/// <returns></returns>
private static void ConfigReqContent(HttpRequestMessage reqMsg, FyHttpRequest req)
{
if (req.HttpMethod == HttpMethod.Get)
{
req.RequestSet?.Invoke(reqMsg);
return;
}
if (req.HasFile)
{
var boundary = GetBoundary();
var memory = new MemoryStream();
WriteMultipartFormData(memory, req, boundary);
memory.Seek(0, SeekOrigin.Begin);//设置指针到起点
reqMsg.Content = new StreamContent(memory);
req.RequestSet?.Invoke(reqMsg);
reqMsg.Content.Headers.Remove("Content-Type");
reqMsg.Content.Headers.TryAddWithoutValidation("Content-Type", $"multipart/form-data;boundary={boundary}");
}
else
{
var data = GetNormalFormData(req);
reqMsg.Content = new StringContent(data);
req.RequestSet?.Invoke(reqMsg);
}
}
/// <summary>
/// 配置请求
/// </summary>
/// <returns></returns>
public static HttpRequestMessage ConfigureReqMsg(FyHttpRequest request)
{
var reqMsg = new HttpRequestMessage
{
RequestUri = string.IsNullOrEmpty(request.AddressUrl) ? request.Uri : new Uri(request.AddressUrl),
Method = request.HttpMethod
};
ConfigReqContent(reqMsg, request); // 配置内容
return(reqMsg);
}
/// <summary>
/// 执行请求方法
/// </summary>
/// <param name="client"></param>
/// <param name="request"></param>
/// <param name="completionOption"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static Task <HttpResponseMessage> RestSend(this HttpClient client, FyHttpRequest request,
HttpCompletionOption completionOption,
CancellationToken cancellationToken)
{
var reqMsg = ConfigureReqMsg(request);
if (request.TimeOutMilSeconds > 0)
{
client.Timeout = TimeSpan.FromMilliseconds(request.TimeOutMilSeconds);
}
return(client.SendAsync(reqMsg, completionOption, cancellationToken));
}
/// <summary>
/// 写入 Form 的内容值 【 非文件参数 + 文件头 + 文件参数（内部完成） + 请求结束符 】
/// </summary>
/// <param name="memory"></param>
/// <param name="request"></param>
/// <param name="boundary"></param>
private static void WriteMultipartFormData(Stream memory, FyHttpRequest request, string boundary)
{
foreach (var param in request.FormParameters)
{
WriteStringTo(memory, GetMultipartFormData(param, boundary));
}
foreach (var file in request.FileParameters)
{
//文件头
WriteStringTo(memory, GetMultipartFileHeader(file, boundary));
//文件内容
file.Writer(memory);
//文件结尾
WriteStringTo(memory, _lineBreak);
}
//写入整个请求的底部信息
WriteStringTo(memory, GetMultipartFooter(boundary));
}
/// <summary>
/// 写入请求的内容信息 （非文件上传请求）
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private static string GetNormalFormData(FyHttpRequest request)
{
var formstring = new StringBuilder();
foreach (var p in request.FormParameters)
{
if (formstring.Length > 1)
{
formstring.Append("&");
}
formstring.AppendFormat(p.ToString());
}
if (string.IsNullOrEmpty(request.CustomBody))
{
return(formstring.ToString());
}
if (formstring.Length > 1)
{
formstring.Append("&");
}
formstring.Append(request.CustomBody);
return(formstring.ToString());
}
/// <summary>
/// 同步的请求方式
/// </summary>
/// <param name="request">请求的参数</param>
/// <param name="completionOption"></param>
/// <param name="client"></param>
/// <returns>自定义的Response结果</returns>
public static Task <HttpResponseMessage> RestSend(this FyHttpRequest request,
HttpCompletionOption completionOption, HttpClient client = null)
{
return(RestSend(request, completionOption, CancellationToken.None, client));
}
/// <summary>
/// 执行请求方法
/// </summary>
/// <param name="client"></param>
/// <param name="request"></param>
/// <param name="completionOption"></param>
/// <returns></returns>
public static Task <HttpResponseMessage> RestSend(this HttpClient client, FyHttpRequest request,
HttpCompletionOption completionOption)
{
return(RestSend(client, request, completionOption, CancellationToken.None));
}