AliPayHelper.java

package com.bigdo.alipay;

import java.net.URLEncoder;

import com.alipay.android.app.sdk.AliPay;
import com.bigdo.util.PayResult;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

/**
 * 支付宝帮助类
 * 
 */
public final class AliPayHelper {

	public static String getNewOrder(Context context, String orderno,
			String subject, String detail, float payAmount) {
		StringBuilder sb = new StringBuilder();
		sb.append("partner=\"");
		sb.append(Keys.DEFAULT_PARTNER);
		sb.append("\"&out_trade_no=\"");
		sb.append(orderno);
		sb.append("\"&subject=\"");
		sb.append(subject);
		sb.append("\"&body=\"");
		sb.append(detail);
		sb.append("\"&total_fee=\"");
		sb.append(payAmount);
		// sb.append("\"¬ify_url=\"");

		// 网址需要做URL编码
		// sb.append(URLEncoder.encode(RConfig.GetMobilePayNotifyUrl(context)));
		sb.append("\"&service=\"mobile.securitypay.pay");
		sb.append("\"&_input_charset=\"UTF-8");
		sb.append("\"&return_url=\"");
		sb.append(URLEncoder.encode("http://m.alipay.com"));
		sb.append("\"&payment_type=\"1");

		// sb.append("\"&app_id=\"android");
		sb.append("\"&seller_id=\"");
		sb.append(Keys.DEFAULT_SELLER);

		// 如果show_url值为空，可不传
		// sb.append("\"&show_url=\"");
		sb.append("\"&it_b_pay=\"30m");
		sb.append("\"");

		// 将订单生成加密签名
		String sign = Rsa.sign(sb.toString(), Keys.PRIVATE);
		sign = URLEncoder.encode(sign);
		sb.append("&sign=\"" + sign + "\"&sign_type=\"RSA\"");

		// sb.append("&sign=\"" + sign + "\"&sign_type=\"RSA\"");
		return new String(sb);
	}

	public static boolean startPay(final Activity context,
			final Handler handler, final String orderInfo,
			final Bundle userData, final int requestCode) {
		if (orderInfo != null && !orderInfo.equals("")) {
			new Thread() {
				public void run() {
					AliPay alipay = new AliPay(context, handler);
					// 设置为沙箱模式，不设置默认为线上环境
					// alipay.setSandBox(true);
					if (handler != null) {
						PayResult pr = new PayResult();
						pr.PayType = "2";
						pr.PayResult = alipay.pay(orderInfo);
						pr.RequestCode = requestCode;
						pr.UserData = userData;
						Message msg = new Message();
						msg.arg1 = PayResult.pay_request_code;
						Bundle b = new Bundle();
						b.putParcelable(PayResult.ResultKey, pr);
						msg.setData(b);
						handler.sendMessage(msg);
					}
				}
			}.start();
			return true;
		}
		return false;
	}
}