下载网页代码

Java代码

1. public static String readUrl(String urlName, String encoding) {   
2.         try {   
3.             StringBuffer sb = new StringBuffer();   
4.             URL url = new URL(urlName);   
5.             URLConnection conn = url.openConnection();   
6.             conn.setConnectTimeout(30 * 1000);   
7.             conn.setReadTimeout(30 * 1000);   
8.             BufferedReader br = new BufferedReader(new InputStreamReader(conn   
9.                     .getInputStream(), encoding));   
10.             String line;   
11.             while ((line = br.readLine()) != null) {   
12.                 sb.append(line);   
13.             }   
14.             return sb.toString();   
15.         } catch (MalformedURLException e) {   
16.             e.printStackTrace();   
17.         } catch (IOException e) {   
18.             e.printStackTrace();   
19.         }   
20.         return null;   
21.     }  

public static String readUrl(String urlName, String encoding) {
		try {
			StringBuffer sb = new StringBuffer();
			URL url = new URL(urlName);
			URLConnection conn = url.openConnection();
			conn.setConnectTimeout(30 * 1000);
			conn.setReadTimeout(30 * 1000);
			BufferedReader br = new BufferedReader(new InputStreamReader(conn
					.getInputStream(), encoding));
			String line;
			while ((line = br.readLine()) != null) {
				sb.append(line);
			}
			return sb.toString();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

 

BufferedReader的方法readLine()适用于读取文本，对于二进制文件不适合