标签:style blog http io ar color os 使用 sp
在同一个类中
需要导入以下的包:
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
1 @Test 2 public void e() throws MalformedURLException, IOException{ 3 System.out.println(testgetCharset()); 4 } 5 public String testgetCharset() throws MalformedURLException, IOException{ 6 /** 7 * 获取一个网页的编码形式 8 * 9 * @param url 10 */ 11 String host="proxy3.bj.petrochina"; 12 String port="8080"; 13 setProxy(host,port); 14 String url="http://www.songtaste.com"; 15 URLConnection uc = new URL(url).openConnection(); 16 uc.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows XP; DigExt)"); 17 18 InputStream is = uc.getInputStream(); 19 BufferedReader br = new BufferedReader(new InputStreamReader(is)); 20 String str = new String(); 21 String temp = null; 22 int i = 0; 23 while ((temp = br.readLine()) != null) 24 { 25 str += temp; 26 if (temp.length()>6 && temp.substring(0, 6).equals("<body>")) 27 break; 28 if (++i > 50) 29 break; 30 } 31 br.close(); 32 33 //比较等于charset,然后找出charset的值 34 for (i=0; i<str.length()-7; i++) 35 { 36 if (str.substring(i, i+7).equalsIgnoreCase("charset")) 37 { 38 i = i+7; 39 break; 40 } 41 } 42 int begin = 0; 43 while (true) 44 { 45 if (i >= str.length()) 46 return new String(); 47 char c = str.charAt(i); 48 if (c!=‘ ‘ && c!=‘=‘) 49 { 50 if (begin == 0) 51 begin = i; 52 if (c == ‘"‘) 53 return str.substring(begin, i); 54 } 55 i++; 56 } 57 } 58 59 public static void setProxy(String host, String port) { 60 System.setProperty("proxySet", "true"); 61 System.setProperty("proxyHost", host); 62 System.setProperty("proxyPort", port); 63 }
标签:style blog http io ar color os 使用 sp
原文地址:http://www.cnblogs.com/jiejiecool/p/4122552.html