using Newtonsoft.Json.Linq;
using PTMedicalInsurance.Common;
using PTMedicalInsurance.Variables;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
namespace PTMedicalInsurance.Helper
{
class InvokeRestCenter : IInvokeCenter
{
public int Business(string inputData, ref string outputData, ref string pErrMsg)
{
outputData = "";
pErrMsg = "";
JObject joRtn = new JObject();
try
{
//创建一个HTTP请求
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Global.curEvt.URL);
//Post请求方式
request.Method = "POST";
//内容类型
request.ContentType = "application/json";
//设置参数，并进行URL编码
string paraUrlCoded = inputData;//System.Web.HttpUtility.UrlEncode(jsonParas);
byte[] payload;
//将Json字符串转化为字节
payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);
//设置请求的ContentLength
request.ContentLength = payload.Length;
//发送请求，获得请求流
Stream writer;
writer = request.GetRequestStream();//获取用于写入请求数据的Stream对象
//将请求参数写入流
writer.Write(payload, 0, payload.Length);
writer.Close();//关闭请求流
HttpWebResponse response = null;
try
{
//获得响应流
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException ex)
{
HttpWebResponse res = (HttpWebResponse)ex.Response;
Stream myResponseStream = res.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
string retString = myStreamReader.ReadToEnd();
outputData = JsonHelper.setExceptionJson(-99, "异常返回", retString).ToString();
return -1;
}
outputData = getResponseData(response);
joRtn = JObject.Parse(outputData);//返回Json数据
if (joRtn.ContainsKey("body"))
{
joRtn = (JObject)joRtn.GetValue("body");
outputData = JsonHelper.toJsonString(joRtn);
}
return 0;
}
catch (Exception ex)
{
joRtn.Add("infcode", -1);
joRtn.Add("err_msg", "调用中心服务异常invokeCenterService(1):" + ex.Message);
outputData = JsonHelper.toJsonString(joRtn);
return -1;
}
}
public int BusinessExt(string inputData, ref string outputData, ref string pErrMsg)
{
return this.Business(inputData, ref outputData, ref pErrMsg);
}
public int DownloadFile(string inputData, ref string outputData)
{
outputData = "";
string error = string.Empty; int errorCode = 0;
try
{
JObject jsonInParam = JObject.Parse(inputData);
// 去除外wrapper层便于通用
Utils.removeWrapper(jsonInParam);
string fileName = (string)jsonInParam["input"]["fsDownloadIn"]["filename"];
string filePath = Global.curEvt.path + "\\Download\\" + fileName;
//如果不存在目录，则创建目录
if (!Directory.Exists(Global.curEvt.path + "\\Download"))
{
//创建文件夹
DirectoryInfo dirInfo = Directory.CreateDirectory(Global.curEvt.path + "\\Download");
}
if (File.Exists(filePath))
{
File.Delete(filePath);
}
FileStream fs = new FileStream(filePath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
//创建一个HTTP请求
Global.curEvt.URL = Global.inf.centerURL;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Global.curEvt.URL);
//Post请求方式
request.Method = "POST";
String stamp = TimeStamp.get13().ToString();
string apiName = Global.curEvt.URL.Substring(Global.curEvt.URL.Length - 12);
//南昌增加头部信息
//string sTemp = "_api_access_key=" + Global.inf.AK
// + "&_api_name=" + apiName
// + "&_api_timestamp=" + stamp
// + "&_api_version=" + "1.0.0";
//string signature = Encrypt.ToBase64hmac(sTemp, Global.inf.SK);
//内容类型
request.ContentType = "application/json";
//request.Headers.Add("_api_version", "1.0.0");
//request.Headers.Add("_api_timestamp", stamp);
//request.Headers.Add("_api_name", apiName);
//request.Headers.Add("_api_signature", signature);
//request.Headers.Add("_api_access_key", Global.inf.AK);
//设置参数，并进行URL编码
string paraUrlCoded = JsonHelper.toJsonString(jsonInParam);
byte[] payload;
//将Json字符串转化为字节
payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);
//设置请求的ContentLength
request.ContentLength = payload.Length;
Stream writer;
try
{
writer = request.GetRequestStream();//获取用于写入请求数据的Stream对象
}
catch (Exception)
{
writer = null;
errorCode = -100;
error = "连接服务器失败!";
}
//将请求参数写入流
writer.Write(payload, 0, payload.Length);
writer.Close();//关闭请求流
// String strValue = "";//strValue为http响应所返回的字符流
//发送请求并获取相应回应数据
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
//直到request.GetResponse()程序才开始向目标网页发送Post请求
Stream responseStream = response.GetResponseStream();
//创建本地文件写入流
byte[] bArr = new byte[1024];
int iTotalSize = 0;
int size = responseStream.Read(bArr, 0, (int)bArr.Length);
while (size > 0)
{
iTotalSize += size;
fs.Write(bArr, 0, size);
size = responseStream.Read(bArr, 0, (int)bArr.Length);
}
fs.Close();
responseStream.Close();
dynamic joReturn = new JObject();
joReturn.errorCode = errorCode;
joReturn.errorMessage = error;
joReturn.filePath = filePath;
outputData = joReturn.ToString();
}
catch (Exception ex)
{
errorCode = -100;
error = ex.Message;
dynamic joReturn = new JObject();
joReturn.errorCode = errorCode;
joReturn.errorMessage = error;
outputData = joReturn.ToString();
return -1;
}
finally
{
Global.writeLog("DownloadCenterFile" + "(" + Global.curEvt.URL + ")", inputData, outputData);
}
return 0;
}
public int Init(ref string pErrMsg)
{
return 0;
}
public int UploadFile(string inputData, ref string outputData, ref string pErrMsg)
{
throw new NotImplementedException();
}
private string getResponseData(HttpWebResponse response)
{
string data = "";
if (response != null)
{
Stream s = response.GetResponseStream();
StreamReader sRead = new StreamReader(s,Encoding.GetEncoding("UTF-8"));
data = sRead.ReadToEnd();
sRead.Close();
response.Close();
}
return data;
}
}
}