支付宝集成参考:
https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.zMbBFv&treeId=193&articleId=105297&docType=1
https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.SiQGSk&treeId=59&articleId=103563&docType=1
参照上面两个文档完成准备工作之后,得到以下数据
/** 支付宝支付业务:入参app_id */
public static final String APPID = "";
/** 商户私钥,pkcs8格式 */
public static final String RSA_PRIVATE =“”
//商户合作id
public static final String PARTNER = "";
// 商户收款的支付宝账号
public static final String SELLER = "";
// 支付宝公钥
public static final String RSA_PUBLIC = “”
现在就来看看代码的集成。
1、将alipay-sdk-common/alipaySdk-xxxxxxxx.jar包放入商户应用工程的libs目录下
2、进入商户应用工程的Java Build Path,将libs目录下的alipaySDK-xxxxxxxx.jar导入
3、选中Order and Export,勾选alipaySDK-xxxxxxxx.jar
4、修改Manifest
在商户应用工程的AndroidManifest.xml文件里面添加声明:
<activity
android:name="com.alipay.sdk.app.H5PayActivity"
android:configChanges="orientation|keyboardHidden|navigation"
android:exported="false"
android:screenOrientation="behind" >
</activity>
<activity
android:name="com.alipay.sdk.auth.AuthActivity"
android:configChanges="orientation|keyboardHidden|navigation"
android:exported="false"
android:screenOrientation="behind" >
</activity>
和权限声明:
<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" />
添加混淆规则
5、在商户应用工程的proguard-project.txt里添加以下相关规则:
-libraryjars libs/alipaySDK-20150602.jar
-keep class com.alipay.android.app.IAlixPay{*;}
-keep class com.alipay.android.app.IAlixPay$Stub{*;}
-keep class com.alipay.android.app.IRemoteServiceCallback{*;}
-keep class com.alipay.android.app.IRemoteServiceCallback$Stub{*;}
-keep class com.alipay.sdk.app.PayTask{ public *;}
-keep class com.alipay.sdk.app.AuthTask{ public *;}
主要方法:调用支付宝SDK进行支付
/**
* 支付宝
* call alipay sdk pay. 调用SDK支付
*
*/
public void payOfAliMethod() {
/**
* call alipay sdk pay. 调用SDK支付
*
*/
if (TextUtils.isEmpty(PARTNER) || TextUtils.isEmpty(RSA_PRIVATE) || TextUtils.isEmpty(SELLER)) {
new AlertDialog.Builder(this).setTitle("警告").setMessage("需要配置PARTNER | RSA_PRIVATE| SELLER")
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialoginterface, int i) {
//
finish();
}
}).show();
return;
}
String orderInfo = getOrderInfo(shangPin, dingdanHao, "0.01");
Log.i(TAG,"---"+orderInfo);
/**
* 特别注意,这里的签名逻辑需要放在服务端,切勿将私钥泄露在代码中!
*/
String sign = sign(orderInfo);
try {
/* 仅需对sign 做URL编码*/
sign = URLEncoder.encode(sign, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
LogHelper.i(TAG,"---"+sign);
/**
* 完整的符合支付宝参数规范的订单信息
*/
final String payInfo = orderInfo + "&sign=\"" + sign + "\"&" + getSignType();
Log.i(TAG,"----"+payInfo);
Runnable payRunnable = new Runnable() {
@Override
public void run() {
// 构造PayTask 对象
PayTask alipay = new PayTask(PayOptActivity.this);
// 调用支付接口,获取支付结果
String result = alipay.pay(payInfo, true);
Message msg = new Message();
msg.what = SDK_PAY_FLAG;
msg.obj = result;
mHandler.sendMessage(msg);
}
};
// 必须异步调用
Thread payThread = new Thread(payRunnable);
payThread.start();
}
创建订单信息
/**
* create the order info. 创建订单信息
*
*/
private String getOrderInfo(String subject, String body, String price) {
// 签约合作者身份ID
String orderInfo = "partner=" + "\"" + PARTNER + "\"";
// 签约卖家支付宝账号
orderInfo += "&seller_id=" + "\"" + SELLER + "\"";
// 商户网站唯一订单号
orderInfo += "&out_trade_no=" + "\"" + getOutTradeNo() + "\"";
// 商品名称
orderInfo += "&subject=" + "\"" + subject + "\"";
// 商品详情
orderInfo += "&body=" + "\"" + body + "\"";
// 商品金额
orderInfo += "&total_fee=" + "\"" + price + "\"";
// 服务器异步通知页面路径
orderInfo += "¬ify_url=" + "\"" + "http://www.xiaohoutai.com.cn:8888/XHT/pay/alipay/notify" + "\"";
// 服务接口名称, 固定值
orderInfo += "&service=\"mobile.securitypay.pay\"";
// 支付类型, 固定值
orderInfo += "&payment_type=\"1\"";
// 参数编码, 固定值
orderInfo += "&_input_charset=\"utf-8\"";
// 设置未付款交易的超时时间
// 默认30分钟,一旦超时,该笔交易就会自动被关闭。
// 取值范围:1m~15d。
// m-分钟,h-小时,d-天,1c-当天(无论交易何时创建,都在0点关闭)。
// 该参数数值不接受小数点,如1.5h,可转换为90m。
orderInfo += "&it_b_pay=\"30m\"";
// extern_token为经过快登授权获取到的alipay_open_id,带上此参数用户将使用授权的账户进行支付
// orderInfo += "&extern_token=" + "\"" + extern_token + "\"";
// 支付宝处理完请求后,当前页面跳转到商户指定页面的路径,可空
orderInfo += "&return_url=\"m.alipay.com\"";
return orderInfo;
}
生成商户订单号,该值在商户端应保持唯一(可自定义格式规范)
private 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;
}
对订单信息进行签名
/**
* sign the order info. 对订单信息进行签名
*
* @param content
* 待签名订单信息
*/
private String sign(String content) {
return SignUtils.sign(content, RSA_PRIVATE,"utf-8");
}
/**
* get the sign type we use. 获取签名方式
*
*/
private String getSignType() {
return "sign_type=\"RSA\"";
}
SignUtils.sign签名的方法:
public static String sign(String content, String privateKey, String input_charset)
{
try
{
PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec( Base64.decode(privateKey) );
KeyFactory keyf = KeyFactory.getInstance("RSA");
PrivateKey priKey = keyf.generatePrivate(priPKCS8);
java.security.Signature signature = java.security.Signature
.getInstance(SIGN_ALGORITHMS);
signature.initSign(priKey);
signature.update( content.getBytes(input_charset) );
byte[] signed = signature.sign();
return Base64.encode(signed);
}
catch (Exception e)
{
e.printStackTrace();
}
return null;
}
PayResult的代码:
public class PayResult {
private String resultStatus;
private String result;
private String memo;
public PayResult(String rawResult) {
if (TextUtils.isEmpty(rawResult))
return;
String[] resultParams = rawResult.split(";");
for (String resultParam : resultParams) {
if (resultParam.startsWith("resultStatus")) {
resultStatus = gatValue(resultParam, "resultStatus");
}
if (resultParam.startsWith("result")) {
result = gatValue(resultParam, "result");
}
if (resultParam.startsWith("memo")) {
memo = gatValue(resultParam, "memo");
}
}
}
@Override
public String toString() {
return "resultStatus={" + resultStatus + "};memo={" + memo
+ "};result={" + result + "}";
}
private String gatValue(String content, String key) {
String prefix = key + "={";
return content.substring(content.indexOf(prefix) + prefix.length(),
content.lastIndexOf("}"));
}
/**
* @return the resultStatus
*/
public String getResultStatus() {
return resultStatus;
}
/**
* @return the memo
*/
public String getMemo() {
return memo;
}
/**
* @return the result
*/
public String getResult() {
return result;
}
}
至此,支付宝集成就已经完成,可以开始使用了。
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