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打包JAR 调用JAR 抓取网页乱码, 帮朋友写的一段小程序
JAVA代码:
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Calendar;

public class W
{
    public static void main(String[] args)
    {
        /*
         * String[] paras = new String[]
         * {"http://m.weather.com.cn/data/101020100.html", "g:/abc.txt" };
         */
        new W().working(args);
    }
    
    /**
     * <ul>
     * <li>Description:[总调用程序]</li>
     * <li>Created by [Huyvanpull] [2013-3-14]</li>
     * <li>Midified by [modifier] [modified time]</li>
     * </ul>
     * 
     * @param paras
     */
    public void working(String[] paras)
    {
        StringBuffer result = new StringBuffer();
        if (paras != null && paras.length == 2)
        {
            result.append(paras[0]).append(",");
            result.append(getDateStr()).append(",");
            
            String tempStr = "";
            try
            {
                tempStr = this.sendUrl(paras[0]);
            }
            catch (Exception ex)
            {
                ex.printStackTrace();
            }
            result.append(tempStr);
        }
        else
        {
            result.append("参数不正确");
        }
        result.append(System.getProperty("line.separator"));
        System.out.println(result);
        writeFile(paras[1], result.toString());
    }
    
    /**
     * <ul>
     * <li>Description:[根据网址得到内容]</li>
     * <li>Created by [Huyvanpull] [2013-3-14]</li>
     * <li>Midified by [modifier] [modified time]</li>
     * </ul>
     * 
     * @param urlStr
     * @return
     */
    public String sendUrl(String urlStr)
    {
        BufferedReader in = null;
        StringBuffer temp = new StringBuffer();
        try
        {
            URL yahoo = new URL(urlStr);
            in = new BufferedReader(new InputStreamReader(yahoo.openStream(),
                    "UTF-8"));
            String inputLine;
            while ((inputLine = in.readLine()) != null)
                temp.append(inputLine);
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
        finally
        {
            if (in != null)
            {
                try
                {
                    in.close();
                }
                catch (Exception ex)
                {
                    ex.printStackTrace();
                }
            }
        }
        return temp.toString();
    }
    
    /**
     * <ul>
     * <li>Description:[写字符串到文件]</li>
     * <li>Created by [Huyvanpull] [2013-3-14]</li>
     * <li>Midified by [modifier] [modified time]</li>
     * </ul>
     * 
     * @param filePath
     * @param content
     */
    public static void writeFile(String filePath, String content)
    {
        FileWriter fw = null;
        try
        {
            File file = new File(filePath);
            fw = new FileWriter(file, true);
            fw.write(content);
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
        finally
        {
            try
            {
                if (fw != null)
                {
                    fw.close();
                }
            }
            catch (Exception ex)
            {
                ex.printStackTrace();
            }
        }
    }
    
    public String getDateStr()
    {
        SimpleDateFormat simpleDateFormate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return simpleDateFormate.format(Calendar.getInstance().getTime());
    }
    
}


调用代码:
java -jar f:/w.jar http://m.weather.com.cn/data/101020100.html f:/kkk.txt
posted on 2013-03-15 10:15 HUIKK 阅读(536) 评论(0)  编辑  收藏 所属分类: Java

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