java下载读取网页内容方式

1. 源页面
   地址

public static void main(String [] args)    {        try {            URL url = new URL("http://121.42.42.197:8080/wealthFinding/strategy");            URLConnection uconn = url.openConnection();            uconn.setDoOutput(true);            uconn.connect();            String temp;            final StringBuffer sb=new StringBuffer();            //注意编码格式 ，查看网页源码中charset的值             final BufferedReader in=new BufferedReader(new InputStreamReader(url.openStream(),"GB18030"));            while ((temp = in.readLine()) != null) {                sb.append("\n");                sb.append(temp);            }            in.close();            System.out.println(sb);        } catch (Exception e) {            e.printStackTrace();            System.out.println("出错啦！");        }    }