в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:13:11Z

1 версия

Новая страница

==WebClient.BaseAddress==

<source lang="csharp">

using System;
using System.IO;
using System.Net;
public class TryURL {
public static void Main(String [] args) {
WebClient client = new WebClient();
client.BaseAddress = "http://www.nfex.ru";
client.DownloadFile("www.nfex.ru", "index.htm");
StreamReader input =new StreamReader(client.OpenRead("index.htm"));
Console.WriteLine(input.ReadToEnd());
Console.WriteLine
("Request header count: {0}", client.Headers.Count);
WebHeaderCollection header = client.ResponseHeaders;
Console.WriteLine
("Response header count: {0}", header.Count);
for (int i = 0; i < header.Count; i++)
Console.WriteLine(" {0} : {1}",
header.GetKey(i), header[i]);
input.Close();
}
}

</source>

==WebClient.Credentials==

<source lang="csharp">
using System;
using System.Net;
using System.Text;
public class CredTest
{
public static void Main()
{
WebClient wc = new WebClient();
NetworkCredential nc = new NetworkCredential("alex", "mypassword");
wc.Credentials = nc;
byte[] response = wc.DownloadData("http://www.nfex.ru/index.htm");
Console.WriteLine(Encoding.ASCII.GetString(response));
}
}

</source>

==WebClient.DownloadData==

<source lang="csharp">
using System;
using System.Net;
using System.Text;
public class CredTest
{
public static void Main()
{
WebClient wc = new WebClient();
NetworkCredential nc = new NetworkCredential("alex", "mypassword");
wc.Credentials = nc;
byte[] response = wc.DownloadData("http://www.nfex.ru/index.htm");
Console.WriteLine(Encoding.ASCII.GetString(response));
}
}

</source>

==WebClient.DownloadFile==

<source lang="csharp">
using System;
using System.Net;
using System.IO;

public class WebClientDemo {
public static void Main() {
WebClient user = new WebClient();
string uri = "http://www.nfex.ru";
string fname = "data.txt";

try {
Console.WriteLine("Downloading data from " +
uri + " to " + fname);
user.DownloadFile(uri, fname);
} catch (WebException exc) {
Console.WriteLine(exc);
} catch (UriFormatException exc) {
Console.WriteLine(exc);
}

Console.WriteLine("Download complete.");
}
}

</source>

==WebClient.DownloadString(Uri u)==

<source lang="csharp">
using System;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
class MainClass
{
private static void Main()
{
string remoteUri = "http://www.nfex.ru";

WebClient client = new WebClient();
Console.WriteLine("Downloading {0}", remoteUri);
string str = client.DownloadString(remoteUri);
MatchCollection matches = Regex.Matches(str,@"http\S+[^-,;:?]\.htm");

foreach(Match match in matches)
{
foreach(Group grp in match.Groups)
{
string file = grp.Value.Substring(grp.Value.LastIndexOf("/")+1);
Console.WriteLine(file);
}
}
}
}

</source>

==WebClient.Headers==

<source lang="csharp">
using System;
using System.IO;
using System.Net;
public class TryURL {
public static void Main(String [] args) {
WebClient client = new WebClient();
client.BaseAddress = "http://www.nfex.ru";
client.DownloadFile("www.nfex.ru", "index.htm");
StreamReader input =new StreamReader(client.OpenRead("index.htm"));
Console.WriteLine(input.ReadToEnd());
Console.WriteLine
("Request header count: {0}", client.Headers.Count);
WebHeaderCollection header = client.ResponseHeaders;
Console.WriteLine
("Response header count: {0}", header.Count);
for (int i = 0; i < header.Count; i++)
Console.WriteLine(" {0} : {1}",
header.GetKey(i), header[i]);
input.Close();
}
}

</source>

==WebClient.OpenRead(String url)==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Xml;
using System.IO;
class MainClass
{
static void Main(string[] args)
{
WebClient client = new WebClient();
Stream rssFeedStream = client.OpenRead("http://yourRssFeedURL");
XmlReader reader = XmlReader.Create(rssFeedStream);
reader.MoveToContent();
while (reader.ReadToFollowing("item"))
{
ProcessItem(reader.ReadSubtree());
}
}
static void ProcessItem(XmlReader reader)
{
reader.ReadToFollowing("title");
string title = reader.ReadElementContentAsString("title", reader.NamespaceURI);
reader.ReadToFollowing("link");
string link = reader.ReadElementContentAsString("link", reader.NamespaceURI);
Console.WriteLine("{0}\n\t{1}", title, link);
}
}

</source>

==WebClient.OpenWrite==

<source lang="csharp">
using System;
using System.IO;
using System.Net;
public class OpenWriteTest
{
public static void Main(string[] argv)
{
WebClient wc = new WebClient();
string data = "Data up upload to server";
Stream strm = wc.OpenWrite(argv[0]);
StreamWriter sw = new StreamWriter(strm);
sw.WriteLine(data);
sw.Close();
strm.Close();
}
}

</source>

==WebClient.ResponseHeaders==

<source lang="csharp">
using System;
using System.IO;
using System.Net;
public class TryURL {
public static void Main(String [] args) {
WebClient client = new WebClient();
client.BaseAddress = "http://www.nfex.ru";
client.DownloadFile("www.nfex.ru", "index.htm");
StreamReader input =new StreamReader(client.OpenRead("index.htm"));
Console.WriteLine(input.ReadToEnd());
Console.WriteLine
("Request header count: {0}", client.Headers.Count);
WebHeaderCollection header = client.ResponseHeaders;
Console.WriteLine
("Response header count: {0}", header.Count);
for (int i = 0; i < header.Count; i++)
Console.WriteLine(" {0} : {1}",
header.GetKey(i), header[i]);
input.Close();
}
}

</source>

==WebClient.UploadData==

<source lang="csharp">
using System;
using System.Net;
using System.Text;
public class UploadDataTest
{
public static void Main(string[] argv)
{
WebClient wc = new WebClient();
string data = "This is the data to post";
byte[] dataarray = Encoding.ASCII.GetBytes(data);
wc.UploadData(argv[0], dataarray);
}
}

</source>

==WebClient.UploadValues==

<source lang="csharp">

using System;
using System.Collections.Specialized;
using System.Net;
using System.Text;
public class UploadValuesTest
{
public static void Main(string[] argv)
{
WebClient wc = new WebClient();
string uri = "http://localhost/testform.aspx";
NameValueCollection nvc = new NameValueCollection();
nvc.Add("lastname", "Blum");
nvc.Add("firstname", "Rich");
byte[] response = wc.UploadValues(uri, nvc);
Console.WriteLine(Encoding.ASCII.GetString(response));
}
}

</source>

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Csharp/C Sharp by API/System.Net/WebClient - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия