Código de implementación de contenido web de Java Rating Web

复制代码代码如下:

prueba de paquete;

import java.io.bufferedReader;

import java.io.ioException;

import java.io.inputstream;

import java.io.inputstreamreader;

import java.net.authenticator;

import java.net.httpurlconnection;

import java.net.passwordAuthentication;

import java.net.url;

import java.net.urlconnection;

import java.util.properties;

UrlTest de clase pública {

// 一个 público 方法 返回字符串 返回字符串 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 错误则返回 "Error abre URL"

public static string getContent (String Strurl) {

intentar {

Url url = nueva url (strurl);

BufferedReader BR = New BufferedReader (nuevo InputStreamReader (URL

.OpenStream ()));

Cadena S = "";

StringBuffer sb = new StringBuffer ("");

while ((s = br.readline ())! = null) {

sb.append (s + "/r/n");

}

br.close ();

return sb.ToString ();

} Catch (Exception e) {

return "Error abre url:" + strurl;

}

}

Public static void initProxy (host de cadena, puerto int, nombre de usuario de cadena final,

contraseña de cadena final) {

Autenticator.setDefault (nuevo autenticador () {

protegido PassionAuthentication getPasswordAuthentication () {

devolver una nueva contraseña Authentication (nombre de usuario,

nueva cadena (contraseña) .toCarArray ());

}

});

System.SetProperty ("http.proxytype", "4");

System.SetProperty ("http.proxyport", integer.ToString (puerto));

System.SetProperty ("http.proxyhost", host);

System.setProperty ("http.proxyset", "true");

}

public static void main (string [] args) lanza ioexception {

Cadena url = "//www.vevb.com";

Cadena proxy = "http://192.168.22.81";

Int Port = 80;

String UserName = "UserName";

String contraseña = "contraseña";

String Curline = "";

String content = "";

URL Server = nueva URL (URL);

initProxy (proxy, puerto, nombre de usuario, contraseña);

Servidor httpurlconnection conexión = (httpurlconnection)

.openconnection ();

Connection.Connect ();

InputStream IS = Connection.getInputStream ();

BufferedReader lector = new BufferedReader (nuevo

InputStreamReader (is));

while ((Curline = Reader.Readline ())! = NULL) {

Content = content + Curline + "/r/n";

}

System.out.println ("content =" + content);

is.close ();

System.out.println (getContent (url));

}

}