android HTTP发送及MD5加密收集

public void MyFunction{
HttpClient httpclient = new DefaultHttpClient();
//你的URL
HttpPost httppost = new HttpPost("http://www.eoeandroid.com/post_datas.php");

try {
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
//Your DATA
nameValuePairs.add(new BasicNameValuePair("id", "12345"));
nameValuePairs.add(new BasicNameValuePair("stringdata", "eoeAndroid.com is Cool!"));

httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

HttpResponse response;
response=httpclient.execute(httppost);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public static String md5(String string) {
byte[] hash;
try {
hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("Huh, MD5 should be supported?", e);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Huh, UTF-8 should be supported?", e);
}
StringBuilder hex = new StringBuilder(hash.length * 2);
for (byte b : hash) {
if ((b & 0xFF) < 0x10) hex.append("0");
hex.append(Integer.toHexString(b & 0xFF));
}
return hex.toString();
}