页面历史

using System;
using System.IO;
using System.Net;
using System.Text;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Net.Cache;
namespace HttpRequestTest
{
    public class RemoteInvoker
    {
        public static String encode = "UTF-8";
        public static void setEncode(String settingEncode)
        {
            encode = settingEncode;
        }
        public static Object invokeMethod(CookieContainer cookieContainer,
                String serviceUrl, String serviceName,
                String methodName, Object[] methodParams)
        {
            String paramInfo = JsonConvert.SerializeObject(methodParams);
            return RemoteInvoker.invokeBIOfficeRMIService(cookieContainer, serviceUrl, serviceName, methodName, paramInfo);
        }
        public static Object invokeBIOfficeRMIService(CookieContainer cookieContainer,
            String serviceUrl, String serviceName,
            String methodName, String paramInfo)
        {
            WebResponse response = null;
            HttpWebRequest req = null;
            try
            {
                byte[] bytes = Encoding.GetEncoding(encode).GetBytes(paramInfo);
                String temp = Encoding.Default.GetString(bytes);
                String requestURL = serviceUrl + "/vision/RMIServlet";
                String methodName, String paramInfo)
    postData = "className=" + serviceName + "&methodName=" + methodName
   {             WebResponse response = null; + "&params=" + paramInfo;
        HttpWebRequest req = null;     byte[] data = Encoding.GetEncoding(encode).GetBytes(postData);
    try            req {
= (HttpWebRequest)HttpWebRequest.Create(requestURL);
               byte[] bytes req.CookieContainer = Encoding.GetEncoding(encode).GetBytes(paramInfo)cookieContainer;
                Stringreq.Method temp = Encoding.Default.GetString(bytes)"POST";
                String requestURLreq.ContentType = serviceUrl + "/vision/RMIServletapplication/x-www-form-urlencoded";
                String postDatareq.ContentLength = "className=" + serviceName + "&methodName=" + methodNamedata.Length;
                Stream      + "&params=" + paramInforeqStream = req.GetRequestStream();
                byte[] data = Encoding.GetEncoding(encode).GetBytes(postDatareqStream.Write(data, 0, data.Length);
                req = (HttpWebRequest)HttpWebRequest.Create(requestURLreqStream.Close();
                req.CookieContainerresponse = cookieContainerreq.GetResponse();
                Stream req.Methodstream = "POST";response.GetResponseStream();
                StreamReader req.ContentTypesr = "application/x-www-form-urlencoded"; new StreamReader(stream, Encoding.GetEncoding(encode));
                String req.ContentLengthresult = datasr.LengthReadToEnd();
                StreamJObject reqStreamjsonObj = reqJObject.GetRequestStreamParse(result);
                if reqStream.Write(data, 0, data.Length);
   ((int)jsonObj["retCode"] == 0)
            reqStream.Close();    {
            response = req.GetResponse();      return jsonObj["result"];
         Stream stream = response.GetResponseStream();    }
            StreamReader}
sr = new StreamReader(stream, Encoding.GetEncoding(encode));        catch
        String result = sr.ReadToEnd(); {
            }
  JObject jsonObj = JObject.Parse(result);       finally
         if ((int)jsonObj["retCode"] == 0)   {
                response.Close();
{                req.Abort();
    return jsonObj["result"];       }
         }   return null;
        }
        public static void  catchInvokeDownload(CookieContainer cookieContainer,
            String requestUrl, String method, byte[] data, {Stream stream)
        {
  }          WebResponse wr = finallynull;
            {try
            {
   response.Close();             var req   req.Abort(= (HttpWebRequest)HttpWebRequest.Create(requestUrl);
            }    /* 禁用缓存 */
      return null;         }req.CachePolicy =      new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStore);
 public static void InvokeBIOfficeDownload(CookieContainer cookieContainer,           req.Method = Stringmethod;
requestUrl, String method, Stream stream)         {   req.CookieContainer = cookieContainer;
       WebResponse wr = null;      if (data != null)
   try             {
                var    req.ContentType = (HttpWebRequest)HttpWebRequest.Create(requestUrl)"application/x-www-form-urlencoded";
                /* 禁用缓存 */    Stream s = req.GetRequestStream();
                 req.CachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStores.Write(data, 0, data.Length);
                req.Method = method;  s.Close();
              req.CookieContainer = cookieContainer;}
                wr = req.GetResponse();
                CopyStream(wr.GetResponseStream(), stream);
                req.Abort();
            }
            finally
            {
                try
                {
                    wr.Close();
                }
                catch
                {
                }
            }
        }

        public static void CopyStream(Stream input, Stream output)
        {
            byte[] buffer = new byte[32768];
            while (true)
            {
                int read = input.Read(buffer, 0, buffer.Length);
                if (read <= 0)
                    return;
                output.Write(buffer, 0, read);
            }
        }
    }
}