Java使用HMAC-SHA1算法，javahmac-sha1算法,String secre

Java使用HMAC-SHA1算法，javahmac-sha1算法,String secre

String secret = mConsumerSecret + "&" + mOauthToken;SecretKey secretKey = new SecretKeySpec(secret.getBytes("US-ASCII"), "HmacSHA1");Mac mac = Mac.getInstance("HmacSHA1");mac.init(secretKey);byte[] text = builder.toString().getBytes("US-ASCII");byte[] finalText = mac.doFinal(text);String base64Text = Base64.encodeToString(finalText, Base64.DEFAULT);return encode(base64Text.trim());