Zi 字媒體
2017-07-25T20:27:27+00:00
C# 動態物件宣告/各別呼叫建構子 VS C++ 動態物件宣告(動態配置記憶體/只能使用預設建構子)
GUTGUH: https://github.com/jash-git/CS_CPP-pointer-object-constructor
C#
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Cache;
using System.IO;
using System.Threading;
namespace CS_HttpWebResponse_chunked_thread_Timer_show_data
{
public partial class Form1 : Form
{
public static string []m_StrNewData;
public static string []m_StrOldData;
public Thread []m_Thread;
public int m_intwaitcount;
public static void Thread_fun(object arg)
{
String StrData = (String)arg;
string[] strs = StrData.Split(',');
RESTfulAPI_getchunked(strs[0], Convert.ToInt32(strs[1]));//RESTfulAPI_getchunked("http://192.168.1.196:24410/syris/sydm/events?events_type=0");
}
public static void RESTfulAPI_getchunked(String url,int index)
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
//request.SendChunked = true;
//--
//定義此req的緩存策略
//https://msdn.microsoft.com/zh-tw/library/system.net.webrequest.cachepolicy(v=vs.110).aspx?cs-save-lang=1&cs-lang=csharp#code-snippet-1
HttpRequestCachePolicy noCachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStore);
request.CachePolicy = noCachePolicy;
//--
request.Method = "GET";//request.Method = "POST";
//request.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string encoding = response.ContentEncoding;
if (encoding == null || encoding.Length < 1)
{
encoding = "UTF-8"; //預設編碼
}
//---
//add 2017/12/20
//Reading “chunked” response with HttpWebResponse - https://stackoverflow.com/questions/16998/reading-chunked-response-with-httpwebresponse
StringBuilder sb = new StringBuilder();
Byte[] buf = new byte[8192];
Stream resStream = response.GetResponseStream();
string tmpString = null;
int count = 0;
do
{
count = resStream.Read(buf, 0, buf.Length);
if (count != 0)
{
tmpString = Encoding.UTF8.GetString(buf, 0, count);
m_StrNewData[index] = tmpString;
}
Thread.Sleep(10);
} while (count >= 0);
response.Close();
}
catch
{
}
}
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
m_StrNewData = new string[1];
m_StrOldData = new string[1];
m_StrNewData[0] = "wait...";
m_StrOldData[0] = "";
timer1.Interval = 100;
timer1.Enabled = true;
m_Thread = new Thread[1];
m_Thread[0] = new Thread(Thread_fun);
m_Thread[0].IsBackground = true;
String StrData=String.Format("{0},{1}","http://192.168.1.196:24410/syris/sydm/events?events_type=0",0);
m_Thread[0].Start(StrData);
}
private void timer1_Tick(object sender, EventArgs e)
{
if (m_Thread[0].IsAlive)
{
if (m_StrNewData[0] != m_StrOldData[0])
{
m_StrOldData[0] = m_StrNewData[0];
richTextBox1.AppendText(m_StrOldData[0]);
}
m_intwaitcount = 0;
}
else
{
m_intwaitcount++;
if (m_intwaitcount == 600)
{
m_Thread[0] = null;
m_Thread[0] = new Thread(Thread_fun);
m_Thread[0].IsBackground = true;
String StrData = String.Format("{0},{1}", "http://192.168.1.196:24410/syris/sydm/events?events_type=0", 0);
m_Thread[0].Start(StrData);
richTextBox1.Text = "restart thread..." + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
}
else
{
richTextBox1.Text = "wait..." + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
}
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (m_Thread[0].IsAlive)//關閉執行序
{
timer1.Enabled = false;
m_Thread[0].Abort();
}
}
}
}
C++
#include
using namespace std;
class ItemData
{
public:
int *Array;
int size;
ItemData()
{
size=2;
Array=new int[size];
for(int i=0;i
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