HttpHelper.cs
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using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Collections;
using System.Net;
using System.Net.Security;
using System.Security;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Reflection;
using log4net;
using System.Net.NetworkInformation;
namespace OnlineStore.Common
{
public class HttpHelper
{
public static string PostAndWait(string url, string paramData)
{
string postRes = "";
DateTime startTime = DateTime.Now;
System.Threading.Tasks.Task postTask = new System.Threading.Tasks.Task(delegate
{
while ((DateTime.Now - startTime).TotalMinutes < 60)
{
postRes = PostJson(url, paramData, Encoding.UTF8, out bool isTimeOut);
ResponseData data = JsonHelper.DeserializeJsonToObject<ResponseData>(postRes);
if (data != null)
{
if (data.code.Equals(99) || data.code.Equals(100))
{
LogUtil.info("Response Code=" + data.code + " 系统正在更新。。。3秒后重试");
System.Threading.Thread.Sleep(3000);
}
else if (isTimeOut.Equals(true))
{
LogUtil.info(" 从服务器获取信息超时。。。3秒后重试");
System.Threading.Thread.Sleep(3000);
}
else
{
break;
}
}
else if (isTimeOut.Equals(true))
{
LogUtil.info(" 从服务器获取信息超时。。。3秒后重试");
System.Threading.Thread.Sleep(3000);
}
}
});
postTask.Wait();
return postRes;
}
public static Operation PostJson(string url, Operation operation, bool simulate=false)
{
try
{
if (simulate)
{//模拟服务器返回
operation.status = 200;
operation.data.Clear();
operation.data.Add("posId", "A001");
string pos = "D100-111#D102-222#D104-333";
operation.data.Add("pos", pos);
if (operation.op == 1 || operation.op == 2)
{//入库或出库
string json = JsonHelper.SerializeObject(operation);
LogUtil.error("模拟HTTP服务器返回出库入库信息：" + json);
return operation;
}
}
else
{
string json = "";
try
{
json = JsonHelper.SerializeObject(operation);
}
catch (Exception ex)
{
LogUtil.error("JsonHelper.SerializeObject(operation) 出错【operation.op=" + operation.op + "】" + ex);
}
bool IsTimeOut = false;
string result = PostJson(url, json,Encoding.UTF8,out IsTimeOut);
if (!string.IsNullOrEmpty(result))
{
try
{
Operation resultOP = JsonHelper.DeserializeJsonToObject<Operation>(result);
if (resultOP != null && (!operation.seq.Equals(resultOP.seq)))
{
LogUtil.error(" seq error : send 【" + json + "】 " + ",receive 【 " + result + "】");
}
if (resultOP != null && (!operation.cid.Equals(resultOP.cid)))
{
LogUtil.error(" cid error : send 【" + json + "】 " + ",receive 【 " + result + "】，return null");
return null;
}
return resultOP;
}
catch (Exception ex)
{
LogUtil.error("JsonHelper.DeserializeJsonToObject 出错【result=" + result + "】" + ex);
}
}
}
}
catch (Exception ex)
{
LogUtil.error("Post 出错【operation.op=" + operation.op + "】：" + ex);
}
return null;
}
public static string LastServerMsg = "";
private static string PostJson(string url, string paramData, Encoding encoding, out bool isTimeOut)
{
isTimeOut = false;
if (Setting_Init.Log_OpenServer)
{
LogUtil.info("给服务器发送数据【" + paramData + "】 ");
}
string result = "";
if (url.ToLower().IndexOf("https", System.StringComparison.Ordinal) > -1)
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback((sender, certificate, chain, errors) => { return true; });
}
try
{
var wc = new MyWebClient(5000);
if (string.IsNullOrEmpty(wc.Headers["Content-Type"]))
wc.Headers.Add("Content-Type", "application/json;charset=UTF-8");
wc.Encoding = encoding;
result = wc.UploadString(url, "POST", paramData);
}
catch (WebException e)
{
isTimeOut = true;
LogUtil.error("POST TimeOut:" + e.ToString(), 1);
}
catch (Exception ex)
{
LogUtil.error("POST ERROR:" + ex.ToString(), 1);
}
if (Setting_Init.Log_OpenServer)
{
LogUtil.info("收到服务器数据【" + result + "】");
}
LastServerMsg = DateTime.Now.ToLongTimeString() + " URL：" + url + "\r\n"
+ "发送：" + paramData + "\r\n"
+ "接收：" + result + "\r\n";
return result;
}
public static string Post(string url, string paramData, int timeOut = 10000)
{
bool IsTimeOut = false;
return Post(url, paramData, Encoding.UTF8, timeOut, out IsTimeOut);
}
public static string Post(string url, string paramData, Encoding encoding, int timeOut, out bool IsTimeOut)
{
if (paramData.Equals(""))
{
int index = url.IndexOf("?");
if (index > 0)
{
paramData = url.Substring(index + 1, url.Length - index - 1);
url = url.Substring(0, index);
}
}
IsTimeOut = false;
if (Setting_Init.Log_OpenServer)
{
LogUtil.info("给服务器发送数据【" + url + "】【" + paramData + "】 ");
}
string result = "";
if (url.ToLower().IndexOf("https", System.StringComparison.Ordinal) > -1)
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback((sender, certificate, chain, errors) => { return true; });
}
try
{
var wc = new MyWebClient(timeOut);
if (string.IsNullOrEmpty(wc.Headers["Content-Type"]))
wc.Headers.Add("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
wc.Encoding = encoding;
result = wc.UploadString(url, "POST", paramData);
}
catch (WebException ex)
{
IsTimeOut = true;
LogUtil.error("POST [" + url + "] WebException :" + ex.ToString(), 101);
}
catch (Exception e)
{
LogUtil.error("POST [" + url + "] ERROR:" + e.ToString(), 101);
}
if (Setting_Init.Log_OpenServer)
{
LogUtil.info("收到服务器数据【" + result + "】");
}
return result;
}
public static string Get(string url)
{
return Get(url, Encoding.UTF8);
}
public static string Get(string url, Encoding encoding)
{
try
{
LogUtil.info("HTTP GET FROM: " + url);
var wc = new WebClient { Encoding = encoding };
var readStream = wc.OpenRead(url);
using (var sr = new StreamReader(readStream, encoding))
{
var result = sr.ReadToEnd();
LogUtil.info("receive << " + result);
return result;
}
}
catch (Exception e)
{
LogUtil.error("HTTP GET ERROR:" + e.Message, 2);
}
return "";
}
}
internal class ResponseData
{
//{"code":0,"msg":"ok","data":"7"}
public int code { get; set; }
public string msg { get; set; }
public Dictionary<string, string> data { get; set; }
}
}