取得網頁原始碼

package finternet;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

public class F_PageData {
    
    /**
     * 取得網頁資料
     * @return : 回傳string型態的網頁資料
     */
    public static String getPageData(String http){
        
        URL u = null;
        InputStream in = null;
        InputStreamReader r = null;
        BufferedReader br = null;
        StringBuffer message = null;
        
        try {
            
           u = new URL(http);
           in = u.openStream();
           r = new InputStreamReader(in, "UTF-8");
           br = new BufferedReader(r);
           String tempstr = null;
           message = new StringBuffer();
           while ((tempstr = br.readLine()) != null) {
               message.append(tempstr);
           }
           
        } catch (Exception e) {
           e.getStackTrace();
           System.out.println(e.getMessage());
        } finally {
           try {
              u = null;
              in.close();
              r.close();
              br.close();
           } catch (Exception e) {

           }

    }
    
        return message.toString();
    }
}