/// <summary>
/// 发送Http请求
/// </summary>
/// <param name="url">请求Url</param>
/// <param name="method">请求类型</param>
/// <param name="parameters">参数集合</param>
/// <returns></returns>
private String Request(string url, RequestMethod method = RequestMethod.Get, params RequestOption[] parameters)
{
HttpWebClient httpWebClient = new HttpWebClient();
HttpWebResponseResult responseResult = null;
#region 发起Http数据请求
switch (method)
{
case RequestMethod.Get:
{
#region //请求头和请求参数预处理
RequestHeaderExecuting(httpWebClient);
parameters = RequestGetExecuting(parameters);
#endregion
#region //传递参数
foreach (var item in parameters)
{
httpWebClient.SetField(item.Name, (string)item.Value);
}
#endregion
//发起请求
responseResult = httpWebClient.Get(url);
}
break;
case RequestMethod.Post:
{
#region //请求头和请求参数预处理
RequestHeaderExecuting(httpWebClient);
parameters = RequestPostExecuting(parameters);
#endregion
#region //判断当前POST是否为Multipart（即同时包含普通表单字段和文件表单字段）
bool isMultipart = false;
foreach (var item in parameters)
{
if (item.IsBinary)
{
isMultipart = true;
break;
}
}
#endregion
#region //传递参数
if (isMultipart)
{
foreach (var item in parameters)
{
if (item.IsBinary)
{
httpWebClient.SetField(item.Name, (byte[])item.Value, String.Empty, String.Empty);
}
else
{
httpWebClient.SetField(item.Name, (string)item.Value, true);
}
}
}
else
{
foreach (var item in parameters)
{
httpWebClient.SetField(item.Name, (string)item.Value);
}
}
#endregion
//发起请求
responseResult = httpWebClient.Post(url);
}
break;
}
#endregion
return responseResult.IsSuccess ? responseResult.ResponseText : String.Empty;
}
/// <summary>
/// Http请求头部处理
/// </summary>
/// <param name="httpRequest"></param>
protected override void RequestHeaderExecuting(HttpWebClient httpRequest)
{
if (!string.IsNullOrEmpty(this.Token.AccessToken)) httpRequest.Headers["Authorization"] = string.Format("OAuth2 {0}", this.Token.AccessToken);
}
protected virtual void RequestHeaderExecuting(HttpWebClient httpRequest) { }