通过URL获取get数据

http://www.android-doc.com/training/basics/network-ops/managing.html

  private String downloadUrl(String myurl) throws IOException { 

InputStream is = null; 
// Only display the first 500 characters of the retrieved // web page content. 
int len = 500; 
try {
 URL url = new URL(myurl); 
HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000 /* milliseconds */); 
conn.setConnectTimeout(15000 /* milliseconds */);
 conn.setRequestMethod("GET");
 conn.setDoInput(true); 
// Starts the query conn.connect();
 int response = conn.getResponseCode();
 Log.d(DEBUG_TAG, "The response is: " + response);
 is = conn.getInputStream(); 
// Convert the InputStream into a string String contentAsString = readIt(is, len); return contentAsString; 
// Makes sure that the InputStream is closed after the app is // finished using it.
 } finally {
 if (is != null) {
 is.close(); 
} 
}
 }