AlipayTask.java

package cn.mutils.app.pay;

import android.app.Activity;
import android.os.AsyncTask;

import com.alipay.sdk.app.PayTask;
import com.alipay.sdk.pay.demo.PayResult;
import com.alipay.sdk.pay.demo.SignUtils;

import java.net.URLEncoder;

/**
 * AliPay
 */
@SuppressWarnings({"unused", "UnnecessaryUnboxing"})
public class AlipayTask extends AppPayTask {

    protected String mPartner;

    protected String mSeller;

    protected String mRsaPrivate;

    protected String mOutTradeNo;

    protected String mSubject;

    protected String mBody;

    protected String mTotalFee;

    protected String mNotifyUrl;

    protected AlipayAsyncTask mTask;

    protected String mTimeout;

    public String getTimeout() {
        return mTimeout;
    }

    public void setTimeout(String timeout) {
        mTimeout = timeout;
    }

    public String getPartner() {
        return mPartner;
    }

    public void setPartner(String partner) {
        if (mStarted || mStopped) {
            return;
        }
        mPartner = partner;
    }

    public String getSeller() {
        return mSeller;
    }

    public void setSeller(String seller) {
        if (mStarted || mStopped) {
            return;
        }
        mSeller = seller;
    }

    public String getRsaPrivate() {
        return mRsaPrivate;
    }

    public void setRsaPrivate(String rsaPrivate) {
        if (mStarted || mStopped) {
            return;
        }
        mRsaPrivate = rsaPrivate;
    }

    public String getOutTradeNo() {
        return mOutTradeNo;
    }

    public void setOutTradeNo(String outTradeNo) {
        if (mStarted || mStopped) {
            return;
        }
        mOutTradeNo = outTradeNo;
    }

    public String getSubject() {
        return mSubject;
    }

    public void setSubject(String subject) {
        if (mStarted || mStopped) {
            return;
        }
        mSubject = subject;
    }

    public String getBody() {
        return mBody;
    }

    public void setBody(String body) {
        if (mStarted || mStopped) {
            return;
        }
        mBody = body;
    }

    public String getTotalFee() {
        return mTotalFee;
    }

    public void setTotalFee(String totalFee) {
        if (mStarted || mStopped) {
            return;
        }
        mTotalFee = totalFee;
    }

    public String getNotifyUrl() {
        return mNotifyUrl;
    }

    public void setNotifyUrl(String notifyUrl) {
        if (mStarted || mStopped) {
            return;
        }
        mNotifyUrl = notifyUrl;
    }

    @Override
    protected void onStart() {
        this.mTask = new AlipayAsyncTask();
        this.mTask.execute();
    }

    protected void onStop() {
        if (this.mTask != null) {
            this.mTask.cancel(true);
        }
        mTask = null;
    }

    /**
     * create the order info. 创建订单信息
     */
    protected static String getOrderInfo(String partner, String seller, String outTradeNo, String subject, String body,
                                         String totalFee, String notifyUrl, String timeout) {
        // 合作者身份ID
        String orderInfo = "partner=" + "\"" + partner + "\"";

        // 卖家支付宝账号
        orderInfo += "&seller_id=" + "\"" + seller + "\"";

        // 商户网站唯一订单号
        orderInfo += "&out_trade_no=" + "\"" + outTradeNo + "\"";

        // 商品名称
        orderInfo += "&subject=" + "\"" + subject + "\"";

        // 商品详情
        orderInfo += "&body=" + "\"" + body + "\"";

        // 商品金额
        orderInfo += "&total_fee=" + "\"" + totalFee + "\"";

        // 服务器异步通知页面路径
        orderInfo += "¬ify_url=" + "\"" + notifyUrl + "\"";

        // 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=\"" + (timeout != null ? timeout : "30m") + "\"";

        // 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\"";

        // 调用银行卡支付，需配置此参数，参与签名， 固定值
        // orderInfo += "&paymethod=\"expressGateway\"";

        return orderInfo;
    }

    class AlipayAsyncTask extends AsyncTask<String, Integer, Object> {

        @Override
        protected Object doInBackground(String... params) {
            try {
                if (mContext == null) {
                    throw new NullPointerException();
                }
                if (mPartner == null) {
                    throw new NullPointerException();
                }
                if (mSeller == null) {
                    throw new NullPointerException();
                }
                if (mRsaPrivate == null) {
                    throw new NullPointerException();
                }
                if (mOutTradeNo == null) {
                    throw new NullPointerException();
                }
                if (mSubject == null) {
                    throw new NullPointerException();
                }
                if (mBody == null) {
                    throw new NullPointerException();
                }
                if (mTotalFee == null) {
                    throw new NullPointerException();
                }
                if (mNotifyUrl == null) {
                    throw new NullPointerException();
                }
                String orderInfo = getOrderInfo(mPartner, mSeller, mOutTradeNo, mSubject, mBody, mTotalFee, mNotifyUrl,
                        mTimeout);
                String sign = SignUtils.sign(orderInfo, mRsaPrivate);
                sign = URLEncoder.encode(sign, "UTF-8");
                String payInfo = orderInfo + "&sign=\"" + sign + "\"&" + "sign_type=\"RSA\"";
                PayTask aliPay = new PayTask((Activity) mContext);
                String result = aliPay.pay(payInfo);
                PayResult payResult = new PayResult(result);
                return Integer.parseInt(payResult.getResultStatus());
            } catch (Exception e) {
                return e;
            }
        }

        @Override
        protected void onPostExecute(Object result) {
            for (AppPayListener listener : getListeners(AppPayListener.class)) {
                if (result instanceof Exception) {
                    listener.onError(AlipayTask.this, (Exception) result);
                } else {
                    mStatus = ((Integer) result).intValue();
                    if (mStatus == 9000) {
                        listener.onComplete(AlipayTask.this);
                    } else {
                        listener.onError(AlipayTask.this, null);
                    }
                }
            }
            stop();
        }

    }
}