public static string DoService(string url, HttpParamers paramers, HttpHeader header, int connectTimeout, int readTimeout)
{
HttpMethod method = paramers.Method;
try
{
switch (method)
{
case HttpMethod.POST:
return(DoPost(url, paramers, header, connectTimeout, readTimeout));
case HttpMethod.GET:
return(DoGet(url, paramers, header, connectTimeout, readTimeout));
default:
throw new Exception("不支持的HTTP方法类型");
}
}
catch (Exception e)
{
throw e;
}
throw new Exception("尝试访问服务器时异常！");
}
public static HttpParamers PostJsonParamers(string json)
{
HttpParamers paramers = new HttpParamers(HttpMethod.POST);
paramers.JsonParamer = json;
return(paramers);
}
/**
* 写入multipart参数
*
* @param boundary
* @param paramers
* @param out
* @throws IOException
*/
private static void WriteMutiContent(string boundary, HttpParamers paramers, ref Stream stream)
{
byte[] boundaryBytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
// 写入文本请求参数
foreach (KeyValuePair <string, string> paramer in paramers.Paramers)
{
byte[] textBytes = GetTextEntry(paramer.Key, paramer.Value);
stream.Write(boundaryBytes, 0, boundaryBytes.Length);
stream.Write(textBytes, 0, textBytes.Length);
}
// 写入文件请求参数
if (paramers.FileStreams.Count > 0)
{
foreach (KeyValuePair <string, IFileItem> file in paramers.FileStreams)
{
IFileItem fileItem = file.Value;
if (!fileItem.IsValid())
{
throw new Exception("无效的文件流");
}
byte[] fileBytes = GetFileEntry(file.Key, fileItem.GetFileName(), fileItem.GetMimeType());
stream.Write(boundaryBytes, 0, boundaryBytes.Length);
stream.Write(fileBytes, 0, fileBytes.Length);
fileItem.Write(ref stream);
}
}
//写入批量文件请求
if (paramers.Files.Count > 0)
{
foreach (KeyValuePair <string, List <IFileItem> > listEntry in paramers.Files)
{
List <IFileItem> items = listEntry.Value;
foreach (IFileItem item in items)
{
if (!item.IsValid())
{
throw new Exception("无效的文件流");
}
byte[] fileBytes = GetFileEntry(listEntry.Key, item.GetFileName(), item.GetMimeType());
stream.Write(boundaryBytes, 0, boundaryBytes.Length);
stream.Write(fileBytes, 0, fileBytes.Length);
item.Write(ref stream);
}
}
}
// 添加请求结束标志
byte[] endBoundary = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
stream.Write(endBoundary, 0, endBoundary.Length);
}
public static void DoDownload(string url, HttpParamers paramers, HttpHeader header, int connectTimeout, int readTimeout, ref Stream stream)
{
HttpWebRequest webRequest = null;
try
{
string queryString = paramers.GetQueryString();
string getURL = BuildGetUrl(url, queryString);
webRequest = HttpConnection.GetRequest(getURL, HttpMethod.GET, header);
webRequest.ReadWriteTimeout = readTimeout;
webRequest.Timeout = connectTimeout;
GetResponseAsOutputStream(webRequest, ref stream);
}
catch (Exception e)
{
throw e;
}
}
public static string DoGet(string url, HttpParamers paramers, HttpHeader header, int connectTimeout, int readTimeout)
{
HttpWebRequest webRequest = null;
try
{
string queryString = paramers.GetQueryString();
string getURL = BuildGetUrl(url, queryString);
webRequest = HttpConnection.GetRequest(getURL, HttpMethod.GET, header);
webRequest.ReadWriteTimeout = readTimeout;
webRequest.Timeout = connectTimeout;
return(GetResponseAsString(webRequest));
}
catch (Exception e)
{
throw e;
}
}
public static string DoPost(string url, HttpParamers paramers, HttpHeader header, int connectTimeout, int readTimeout)
{
System.IO.Stream stream = null;
HttpWebRequest webRequest = null;
try
{
webRequest = HttpConnection.GetRequest(url, HttpMethod.POST, header);
webRequest.ReadWriteTimeout = readTimeout;
webRequest.Timeout = connectTimeout;
if (paramers.IsMultipart())
{
string boundary = "----sdkboundary" + StringUtils.Random(6); // 随机分隔线
webRequest.ContentType = CONTENT_MULTIPART + boundary;
Stream memStream = new MemoryStream();
WriteMutiContent(boundary, paramers, ref memStream);
webRequest.ContentLength = memStream.Length;
Stream requestStream = webRequest.GetRequestStream();
memStream.Position = 0;
byte[] tempBuffer = new byte[memStream.Length];
memStream.Read(tempBuffer, 0, tempBuffer.Length);
memStream.Close();
requestStream.Write(tempBuffer, 0, tempBuffer.Length);
requestStream.Close();
}
else if (paramers.IsJsonApplication())
{
string jsonString = paramers.JsonParamer;
byte[] jsonBytes = System.Text.Encoding.UTF8.GetBytes(jsonString);
webRequest.ContentType = JSON_CONTENT_FORM;
stream = webRequest.GetRequestStream();
stream.Write(jsonBytes, 0, jsonBytes.Length);
stream.Close();
}
else
{
string queryString = paramers.GetQueryString();
if (!String.IsNullOrEmpty(queryString))
{
byte[] queryBytes = System.Text.Encoding.UTF8.GetBytes(queryString);
webRequest.ContentType = CONTENT_FORM;
stream = webRequest.GetRequestStream();
stream.Write(queryBytes, 0, queryBytes.Length);
stream.Close();
}
}
return(GetResponseAsString(webRequest));
}
catch (Exception e)
{
if (stream != null)
{
stream.Close();
}
throw e;
}
}