1.清单文件需加
<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.READ_PHONE_STATE" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <activity android:name="com.alipay.sdk.app.H5PayActivity" android:configChanges="orientation|keyboardHidden|navigation|screenSize" android:exported="false" android:screenOrientation="behind" android:windowSoftInputMode="adjustResize|stateHidden" > </activity> <activity android:name="com.alipay.sdk.app.H5AuthActivity" android:configChanges="orientation|keyboardHidden|navigation" android:exported="false" android:screenOrientation="behind" android:windowSoftInputMode="adjustResize|stateHidden" > </activity> 3 加入 jar包 3.创建3个类和MainActivity
MainActivity
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final String orderInfo = getorderInfo(); // 订单信息 final Runnable payRunnable = new Runnable() { @Override public void run() { PayTask alipay = new PayTask(MainActivity.this); Map<String, String> result = alipay.payV2(orderInfo, true); Message msg = new Message(); msg.obj = result; handler.sendMessage(msg); } }; TextView pay=findViewById(R.id.pay); pay.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Thread thread=new Thread(payRunnable); thread.start(); } }); } public Handler handler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); PayResult payResult = new PayResult((Map<String, String>) msg.obj); /** 对于支付结果，请商户依赖服务端的异步通知结果。同步通知结果，仅作为支付结束的通知。 */ String resultInfo = payResult.getResult();// 同步返回需要验证的信息 String resultStatus = payResult.getResultStatus(); // 判断resultStatus 为9000则代表支付成功 if (TextUtils.equals(resultStatus, "9000")) { // TODO 该笔订单是否真实支付成功，需要依赖服务端的异步通知。 Toast.makeText(MainActivity.this, "支付成功", Toast.LENGTH_SHORT).show(); } else { //TODO 该笔订单真实的支付结果，需要依赖服务端的异步通知。 Toast.makeText(MainActivity.this, "支付失败", Toast.LENGTH_SHORT).show(); } } }; /** * 记得要看 * 这里只是为了方便直接向商户展示支付宝的整个支付流程；所以Demo中加签过程直接放在客户端完成； * 真实App里，privateKey等数据严禁放在客户端，加签过程务必要放在服务端完成； * 防止商户私密数据泄露，造成不必要的资金损失，及面临各种安全风险； * <p> * orderInfo的获取必须来自服务端； */ public String getorderInfo() { Map<String, String> params = OrderUtils.buildOrderParamMap(OrderUtils.APPID); String orderParam = OrderUtils.buildOrderParam(params); String sign = OrderUtils.getSign(params, OrderUtils.RSA_PRIVATE, false); final String orderInfo = orderParam + "&" + sign; return orderInfo; }
OrderUtils
/** * 支付宝支付业务：入参app_id */ public static final String APPID = "2016102802383554"; /** * 商户私钥，pkcs8格式 */ public static final String RSA_PRIVATE = "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBALbUGZlfrFiw1h35" + "2TF1tBgw9OuNPCK3172WS3kYTFb0CKqiYf6NVrZWHBWZM4IzvYsXqmKqqVyX5Qsd" + "nSejGh/rJLoDjXyuo5gQNPkj+mmfb4F1/A/hWrFNjsjHTfFDqkU3Z/ajO2YSpVRQ" + "lPqYCUccnerZqOedVOwNd9gzXqbFAgMBAAECgYEAiI5HSI1zNxNt+hnBpfWaPG9k" + "oANvpSbXlx2I5bvGWTQQvRJoSy7aU3pho6g4Fsn6isd0VhnOQgCZ7QGDfjWOrn+n" + "rXo2730axUZMRkzSBOkWB0iX1yfveKNN04s2GUCDkU5YIBpYMFfTDphZmgJeJ8zd" + "5yOey1hBZCjch1iM8YkCQQDvX5ywzwUndslAaBSuNbVNsZmmuAy74v+KSTvbW2c6" + "c+sCnz8G+1BrfGOhdGBUsrJGo9jbEXJh6ezwiwFOrPi/AkEAw4cKgcILsFUYsXA3" + "flVKIIuPrw31Ryz9EXcysPehcQUkATXh3WmVuzmEOyZSd9hFDgLAdBsuh6IzTipk" + "tcqdewJBAMtEweZSpenRMS0ENSuKaB9FxViRyh5ysNVZQv8PKyWz8ckUOY1QNAZS" + "Zrhf/r1t0X2y/R9qPVtwLchGAiIxODkCQAC1A0+20O4BUMaLflfhnRQDDTD33vQz" + "8HJYuQE01AuhliC+/iMb16PGsHi6ScAPMyi6z9Fbq85nwsG8m4KgyfMCQHv5kjsW" + "CL/Cd30MGr5BMbZOPJwG+SD9tT04STQt9cjz9Y2ltGyGMMiK87sLze7Ha65aUwDr" + "MRCqT2VCBalK0yo="; /** * 构造支付订单参数列表 * * @param app_id * @return */ public static Map<String, String> buildOrderParamMap(String app_id) { Map<String, String> keyValues = new HashMap<String, String>(); keyValues.put("app_id", app_id); keyValues.put("biz_content", "{\"timeout_express\":\"30m\",\"product_code\":\"QUICK_MSECURITY_PAY\",\"total_amount\":\"0.01\",\"subject\":\"1\",\"body\":\"我是测试数据\",\"out_trade_no\":\"" + getOutTradeNo() + "\"}"); keyValues.put("charset", "utf-8"); keyValues.put("method", "alipay.trade.app.pay"); keyValues.put("sign_type", "RSA"); // keyValues.put("sign_type","RSA2"); keyValues.put("timestamp", "2016-07-29 16:55:53"); keyValues.put("version", "1.0"); return keyValues; } /** * 要求外部订单号必须唯一。 * * @return */ private static String getOutTradeNo() { SimpleDateFormat format = new SimpleDateFormat("MMddHHmmss", Locale.getDefault()); Date date = new Date(); String key = format.format(date); Random r = new Random(); key = key + r.nextInt(); key = key.substring(0, 15); return key; } /** * 构造支付订单参数信息 * * @param map 支付订单参数 * @return */ public static String buildOrderParam(Map<String, String> map) { List<String> keys = new ArrayList<String>(map.keySet()); StringBuilder sb = new StringBuilder(); for (int i = 0; i < keys.size() - 1; i++) { String key = keys.get(i); String value = map.get(key); sb.append(buildKeyValue(key, value, true)); sb.append("&"); } String tailKey = keys.get(keys.size() - 1); String tailValue = map.get(tailKey); sb.append(buildKeyValue(tailKey, tailValue, true)); return sb.toString(); } /** * 拼接键值对 * * @param key * @param value * @param isEncode * @return */ private static String buildKeyValue(String key, String value, boolean isEncode) { StringBuilder sb = new StringBuilder(); sb.append(key); sb.append("="); if (isEncode) { try { sb.append(URLEncoder.encode(value, "UTF-8")); } catch (UnsupportedEncodingException e) { sb.append(value); } } else { sb.append(value); } return sb.toString(); } /** * 对支付参数信息进行签名 * * @param map 待签名授权信息 * @return */ public static String getSign(Map<String, String> map, String rsaKey, boolean rsa2) { List<String> keys = new ArrayList<String>(map.keySet()); // key排序 Collections.sort(keys); StringBuilder authInfo = new StringBuilder(); for (int i = 0; i < keys.size() - 1; i++) { String key = keys.get(i); String value = map.get(key); authInfo.append(buildKeyValue(key, value, false)); authInfo.append("&"); } String tailKey = keys.get(keys.size() - 1); String tailValue = map.get(tailKey); authInfo.append(buildKeyValue(tailKey, tailValue, false)); String oriSign = SignUtils.sign(authInfo.toString(), rsaKey, rsa2); String encodedSign = ""; try { encodedSign = URLEncoder.encode(oriSign, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return "sign=" + encodedSign; }
PayResult
private String resultStatus; private String result; private String memo; public PayResult(Map<String, String> rawResult) { if (rawResult == null) { return; } for (String key : rawResult.keySet()) { if (TextUtils.equals(key, "resultStatus")) { resultStatus = rawResult.get(key); } else if (TextUtils.equals(key, "result")) { result = rawResult.get(key); } else if (TextUtils.equals(key, "memo")) { memo = rawResult.get(key); } } } @Override public String toString() { return "resultStatus={" + resultStatus + "};memo={" + memo + "};result={" + result + "}"; } /** * @return the resultStatus */ public String getResultStatus() { return resultStatus; } /** * @return the memo */ public String getMemo() { return memo; } /** * @return the result */ public String getResult() { return result; }
Base64
private static final int BASELENGTH = 128; private static final int LOOKUPLENGTH = 64; private static final int TWENTYFOURBITGROUP = 24; private static final int EIGHTBIT = 8; private static final int SIXTEENBIT = 16; private static final int FOURBYTE = 4; private static final int SIGN = -128; private static char PAD = '='; private static byte[] base64Alphabet = new byte[BASELENGTH]; private static char[] lookUpBase64Alphabet = new char[LOOKUPLENGTH]; static { for (int i = 0; i < BASELENGTH; ++i) { base64Alphabet[i] = -1; } for (int i = 'Z'; i >= 'A'; i--) { base64Alphabet[i] = (byte) (i - 'A'); } for (int i = 'z'; i >= 'a'; i--) { base64Alphabet[i] = (byte) (i - 'a' + 26); } for (int i = '9'; i >= '0'; i--) { base64Alphabet[i] = (byte) (i - '0' + 52); } base64Alphabet['+'] = 62; base64Alphabet['/'] = 63; for (int i = 0; i <= 25; i++) { lookUpBase64Alphabet[i] = (char) ('A' + i); } for (int i = 26, j = 0; i <= 51; i++, j++) { lookUpBase64Alphabet[i] = (char) ('a' + j); } for (int i = 52, j = 0; i <= 61; i++, j++) { lookUpBase64Alphabet[i] = (char) ('0' + j); } lookUpBase64Alphabet[62] = (char) '+'; lookUpBase64Alphabet[63] = (char) '/'; } private static boolean isWhiteSpace(char octect) { return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9); } private static boolean isPad(char octect) { return (octect == PAD); } private static boolean isData(char octect) { return (octect < BASELENGTH && base64Alphabet[octect] != -1); } /** * Encodes hex octects into Base64 * * @param binaryData * Array containing binaryData * @return Encoded Base64 array */ public static String encode(byte[] binaryData) { if (binaryData == null) { return null; } int lengthDataBits = binaryData.length * EIGHTBIT; if (lengthDataBits == 0) { return ""; } int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP; int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP; int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets; char encodedData[] = null; encodedData = new char[numberQuartet * 4]; byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0; int encodedIndex = 0; int dataIndex = 0; for (int i = 0; i < numberTriplets; i++) { b1 = binaryData[dataIndex++]; b2 = binaryData[dataIndex++]; b3 = binaryData[dataIndex++]; l = (byte) (b2 & 0x0f); k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0); byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)]; encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3]; encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f]; } // form integral number of 6-bit groups if (fewerThan24bits == EIGHTBIT) { b1 = binaryData[dataIndex]; k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4]; encodedData[encodedIndex++] = PAD; encodedData[encodedIndex++] = PAD; } else if (fewerThan24bits == SIXTEENBIT) { b1 = binaryData[dataIndex]; b2 = binaryData[dataIndex + 1]; l = (byte) (b2 & 0x0f); k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)]; encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2]; encodedData[encodedIndex++] = PAD; } return new String(encodedData); } /** * Decodes Base64 data into octects * * @param encoded * string containing Base64 data * @return Array containind decoded data. */ public static byte[] decode(String encoded) { if (encoded == null) { return null; } char[] base64Data = encoded.toCharArray(); // remove white spaces int len = removeWhiteSpace(base64Data); if (len % FOURBYTE != 0) { return null;// should be divisible by four } int numberQuadruple = (len / FOURBYTE); if (numberQuadruple == 0) { return new byte[0]; } byte decodedData[] = null; byte b1 = 0, b2 = 0, b3 = 0, b4 = 0; char d1 = 0, d2 = 0, d3 = 0, d4 = 0; int i = 0; int encodedIndex = 0; int dataIndex = 0; decodedData = new byte[(numberQuadruple) * 3]; for (; i < numberQuadruple - 1; i++) { if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])) || !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++]))) { return null; }// if found "no data" just return null b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; b3 = base64Alphabet[d3]; b4 = base64Alphabet[d4]; decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); decodedData[encodedIndex++] = (byte) (b3 << 6 | b4); } if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))) { return null;// if found "no data" just return null } b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; d3 = base64Data[dataIndex++]; d4 = base64Data[dataIndex++]; if (!isData((d3)) || !isData((d4))) {// Check if they are PAD characters if (isPad(d3) && isPad(d4)) { if ((b2 & 0xf) != 0)// last 4 bits should be zero { return null; } byte[] tmp = new byte[i * 3 + 1]; System.arraycopy(decodedData, 0, tmp, 0, i * 3); tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4); return tmp; } else if (!isPad(d3) && isPad(d4)) { b3 = base64Alphabet[d3]; if ((b3 & 0x3) != 0)// last 2 bits should be zero { return null; } byte[] tmp = new byte[i * 3 + 2]; System.arraycopy(decodedData, 0, tmp, 0, i * 3); tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); return tmp; } else { return null; } } else { // No PAD e.g 3cQl b3 = base64Alphabet[d3]; b4 = base64Alphabet[d4]; decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); decodedData[encodedIndex++] = (byte) (b3 << 6 | b4); } return decodedData; } /** * remove WhiteSpace from MIME containing encoded Base64 data. * * @param data * the byte array of base64 data (with WS) * @return the new length */ private static int removeWhiteSpace(char[] data) { if (data == null) { return 0; } // count characters that's not whitespace int newSize = 0; int len = data.length; for (int i = 0; i < len; i++) { if (!isWhiteSpace(data[i])) { data[newSize++] = data[i]; } } return newSize; }
SignUtils
private static final String ALGORITHM = "RSA"; private static final String SIGN_ALGORITHMS = "SHA1WithRSA"; private static final String SIGN_SHA256RSA_ALGORITHMS = "SHA256WithRSA"; private static final String DEFAULT_CHARSET = "UTF-8"; private static String getAlgorithms(boolean rsa2) { return rsa2 ? SIGN_SHA256RSA_ALGORITHMS : SIGN_ALGORITHMS; } public static String sign(String content, String privateKey, boolean rsa2) { try { PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec( Base64.decode(privateKey)); KeyFactory keyf = KeyFactory.getInstance(ALGORITHM); PrivateKey priKey = keyf.generatePrivate(priPKCS8); java.security.Signature signature = java.security.Signature .getInstance(getAlgorithms(rsa2)); signature.initSign(priKey); signature.update(content.getBytes(DEFAULT_CHARSET)); byte[] signed = signature.sign(); return Base64.encode(signed); } catch (Exception e) { e.printStackTrace(); } return null; }
