java跨越代理服务器连接URL

1. 读取网络资源图片流public static void main(String[] args) {
  // TODO 自动生成方法存根

   //跨过代理服务器连接网络
   try {
    java.net.InetAddress addr = InetAddress
      .getByName("192.168.0.254");
    InetSocketAddress sa = new InetSocketAddress(addr, 8080);
    // sa.
    java.net.Proxy proxy = new java.net.Proxy(Proxy.Type.HTTP, sa);
    Authenticator.setDefault(new Authenticator() {
     protected PasswordAuthentication getPasswordAuthentication() {
      return new PasswordAuthentication("csk",
      new String("csk").toCharArray());
     }
    });
    URL url = new URL(
      "http://61.152.145.58/EM_Quote2006PictureRWS/Default.aspx?StockCode=600900&Type=10");
    URLConnection conn = url.openConnection(proxy);
    java.io.InputStream imageIn = conn.getInputStream();
    java.io.File file = new java.io.File("c:\\aa.png");
    java.io.FileOutputStream fos = new java.io.FileOutputStream(
      file);
    byte[] value = new byte[1024];
    int aa=0;
    while ((aa=imageIn.read(value)) > 0) {
     fos.write(value,0,aa);
    }
    fos.close();
    imageIn.close();
   } catch (Exception e) {
    e.printStackTrace();
   }   
  
}
2. 读取网络图片,并对图片进行修改,添加文字处理:
/**
*
*/
package com;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.Authenticator;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.SocketAddress;
import java.net.URL;
import java.net.URLConnection;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageDecoder;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
/**
* @author shaokun305
*
*/
public class Test {
/**
  * @param args
  */
public static void main(String[] args) {
  // try {
  // JabberServer.createServer();
  // System.out.println("=========================================");
  // JabberClient.createClient();
  // } catch (IOException e) {
  // e.printStackTrace();
  // }
  for (int i = 226; i < 228; i++) {
   // int i=3;
   String[] jpgPath = getImgPahthStr(i + 1);
   // String[]
   // jpgPath={"http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/e0/2c/061119_"+(i+1)+"_1.JPG",
   // "http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/e0/2c/061119_"+(i+1)+"_2.JPG",
   // "http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/e0/2c/061119_"+(i+1)+"_3.JPG",
   // "http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/e0/2c/061119_"+(i+1)+"_4.JPG"
   // };//
   // http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/2a/74/061119_204_1.JPG
   getImgOut(jpgPath, i + 1);
  }
  //  
}
private static void getImgOut(String[] urlArray, int number) {
  try {
   java.net.InetAddress addr = InetAddress.getByName("192.168.0.254");
   InetSocketAddress sa = new InetSocketAddress(addr, 8080);
   // sa.
   java.net.Proxy proxy = new java.net.Proxy(Proxy.Type.HTTP, sa);
   Authenticator.setDefault(new Authenticator() {
    protected PasswordAuthentication getPasswordAuthentication() {
     return new PasswordAuthentication("csk",
     new String("csk").toCharArray());
    }
   });
   if (urlArray != null)
    for (int i = 0; i < urlArray.length; i++) {
     String strUrl = urlArray;
     // URL url=new
     // URL("http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel/af/87/061118_4_1.JPG");
     URL url = new URL(strUrl);
     URLConnection conn = url.openConnection(proxy);
     java.io.InputStream imageIn = conn.getInputStream();
     JPEGImageDecoder decoder = JPEGCodec
       .createJPEGDecoder(imageIn);
     BufferedImage image = decoder.decodeAsBufferedImage();
     Graphics g = image.getGraphics();
     initFont(g); // 初始化字体
     g.drawString(number + "号", 20, 20);
     // 输出数据流
     java.io.File file = new File("d:\\images\\" + number + "_"
       + (i + 1) + ".JPG");
     java.io.FileOutputStream output = new FileOutputStream(file);
     JPEGImageEncoder encoder = JPEGCodec
       .createJPEGEncoder(output);
     encoder.encode(image);
     imageIn.close();
    }
  } catch (MalformedURLException e) {
   e.printStackTrace();
  } catch (IOException e) {
   // TODO 自动生成 catch 块
   e.printStackTrace();
  }
}
private static void initFont(Graphics g) {
  String f; // 字体颜色
  int fontSize = 16; // 字体大小
  String f; // 字体风格(斜体,粗体等)
  String f; // 字体名称
  g.setColor(Color.RED);
  Font mFont = new Font(fontName, Font.PLAIN, fontSize);// 默认字体
  if (fontStyle.equalsIgnoreCase("italic"))
   mFont = new Font(fontName, Font.ITALIC, fontSize);
  if (fontStyle.equalsIgnoreCase("bold"))
   mFont = new Font(fontName, Font.BOLD, fontSize);
  if (fontStyle.equalsIgnoreCase("plain"))
   mFont = new Font(fontName, Font.PLAIN, fontSize);
  // System.out.println("字体大小：＝" + mFont.getSize());
  g.setFont(mFont);
}
/**
  *
  */
private static String[] getImgPahthStr(int number) {
  try {
   java.net.InetAddress addr = InetAddress.getByName("192.168.0.254");
   InetSocketAddress sa = new InetSocketAddress(addr, 8080);
   // sa.
   java.net.Proxy proxy = new java.net.Proxy(Proxy.Type.HTTP, sa);
   Authenticator.setDefault(new Authenticator() {
    protected PasswordAuthentication getPasswordAuthentication() {
     return new PasswordAuthentication("csk",
     new String("csk").toCharArray());
    }
   });
   URL url = new URL(
     "http://supports.auto.sina.com.cn/200610bjcarmodel/show.php?id="
       + number);
   URLConnection conn = url.openConnection(proxy);
   java.io.InputStream in = conn.getInputStream();
   java.io.BufferedReader bin = new BufferedReader(
     new java.io.InputStreamReader(in));
   if (number <= 202)
    return getJpgArrayOne(bin);
   else
    return getJpgArray(number, bin);
  } catch (MalformedURLException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  return null;
}
/**
  * @param bin
  * @return
  * @throws IOException
  */
private static String[] getJpgArrayOne(java.io.BufferedReader bin)
   throws IOException {
  boolean flag = false;
  StringBuffer jpgStr = new StringBuffer();
  while (true) {
   String str = bin.readLine();
   if (str.indexOf("var imgs = new Array") != -1)
    flag = true;
   if (str.indexOf("var imgi = 0;") != -1)
    break;
   if (flag)
    jpgStr.append(str);
   // str="";
   // Get the entry name; it should be the same as specified on URL
   // Get the jar entry
  }
  bin.close();
  String pathStr = "";
  pathStr = jpgStr.substring(jpgStr.indexOf("(\"") + 2);
  pathStr = pathStr.substring(0, pathStr.indexOf("\")"));
  System.out.println(pathStr);
  String[] jpgStrArr = pathStr.split("\",\"");
  // System.out.println(jpgStrArr[0]);
  // System.out.println(jpgStrArr[1]);
  // System.out.println(jpgStrArr[2]);
  // System.out.println(jpgStrArr[3]);
  return jpgStrArr;
}
/**
  * @param number
  * @param bin
  * @param flag
  * @return
  * @throws IOException
  */
private static String[] getJpgArray(int number, java.io.BufferedReader bin)
   throws IOException {
  String name1=".JPG";
  String name2=".jpg";
  String name=name1;
  boolean flag = false;
  String[] jpgStrArr = new String[4];
  while (true) {
   String str = bin.readLine();
   if (str == null)
    break;
   int index = 1;
   index = str
     .indexOf("http://cache.orion.sina.com.cn/supportsauto_d/200610bjcarmodel");
   if (index != -1)
    flag = true;
   if (flag) {
    int endIndex = str.indexOf(name) + 4;
    if(endIndex==3){
     name=name2;
     endIndex = str.indexOf(name) + 4;
    }
    jpgStrArr[0] = str.substring(index, endIndex);
    break;
   }
  }
  System.out.println(jpgStrArr[0]);
  jpgStrArr[1] = jpgStrArr[0].replaceAll(number + "_1"+name, number
    + "_2"+name);
  jpgStrArr[2] = jpgStrArr[0].replaceAll(number + "_1"+name, number
    + "_3"+name);
  jpgStrArr[3] = jpgStrArr[0].replaceAll(number + "_1"+name, number
    + "_4"+name);
  return jpgStrArr;
}
}