/// <summary>
/// 通过HttpPost提交数据
/// </summary>
/// <param name="url">请求Url</param>
/// <param name="data">提交字符数据</param>
/// <param name="encoder">字符数据编码（默认为UTF-8）</param>
/// <param name="mediaType">字符数据类型</param>
/// <param name="queryDir">表单数据集合（Value可为有效的文件路径，否者均为文本text/text）</param>
/// <param name="timeout">请求超时时间（单位：秒）</param>
/// <param name="cookieContainer">Cookie容器</param>
/// <returns></returns>
public static Stream PostData(string url, string data = null, Encoding encoder = null, string mediaType = "text/text", Dictionary <string, string> queryDir = null, int timeout = 30, CookieContainer cookieContainer = null)
{
if (url.IsNullOrEmpty())
{
throw new ArgumentNullException("url", "请求URL地址不能为空");
}
HttpClient client;
if (cookieContainer != null)
{
client = new HttpClient(new HttpClientHandler
{
CookieContainer = cookieContainer,
UseCookies = true,
});
}
else
{
client = new HttpClient();
}
client.Timeout = new TimeSpan(timeout * 1000 * 10000);
HttpContent content = null;
StringContent strContent = null;
FormUrlEncodedContent formContent = null;
MultipartFormDataContent multiContent = null;
if (!data.IsNullOrEmpty())
{
content = strContent = new StringContent(data, (encoder ?? Encoding.UTF8), mediaType);
}
if (queryDir != null)
{
var queries = queryDir.Select(d => new { d.Key, FileInfo = d.Value.GetFileInfo(), d.Value }).GroupBy(d => d.FileInfo?.Exists ?? false);
if (queries.Where(d => d.Key).Count() == 0 && data.IsNullOrEmpty())
{
content = formContent = new FormUrlEncodedContent(queryDir);
}
else
{
content = multiContent = new MultipartFormDataContent();
if (strContent != null)
{
multiContent.Add(strContent);
}
var texts = queries.Where(d => !d.Key).FirstOrDefault();
if (texts != null)
{
foreach (var item in texts)
{
multiContent.Add(new StringContent(item.Value, (encoder ?? Encoding.UTF8), "text/text"), item.Key);
}
}
var files = queries.Where(d => d.Key).FirstOrDefault();
if (files != null)
{
foreach (var file in files)
{
multiContent.Add(new StreamContent(file.FileInfo.ReadToStream()), file.Key, file.FileInfo.Name);
}
}
}
}
if (content.IsNull())
{
content = new StringContent(string.Empty);
}
var stri = content.ReadAsStringAsync().Result;
var t = client.PostAsync(url, content);
t.Wait();
var result = t.Result.Content.ReadAsStreamAsync();
result.Wait();
client.Dispose();
return(result.Result);
}