e80df919
 atao
init
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/**
* Copyright (c) 2011-2014, L.cm 卢春梦 (qq596392912@gmail.com).
*
* Licensed under the Apache License, Version 2.0 (the "License");
*/
package com.jfinal.wxaapp.api;
import com.jfinal.kit.StrKit;
import com.jfinal.log.Log;
import com.jfinal.weixin.sdk.api.PaymentApi;
import com.jfinal.weixin.sdk.api.PaymentApi.TradeType;
import com.jfinal.weixin.sdk.kit.PaymentKit;
import com.jfinal.weixin.sdk.utils.PaymentException;
import java.util.HashMap;
import java.util.Map;
/**
* 小程序支付接口
* @author L.cm
*
*/
public class WxaPayApi {
private static final Log log = Log.getLog(WxaPayApi.class);
/**
* 小程序统一下单
* @param order 小程序支付订单信息封装
* @throws PaymentException 支付异常
* @return Map
*/
public Map<String, String> unifiedOrder(WxaOrder order) throws PaymentException {
String appid = order.getAppId();
Map<String, String> params = new HashMap<String, String>();
params.put("appid", appid);
params.put("mch_id", order.getMchId());
params.put("body", order.getBody());
params.put("out_trade_no", order.getOutTradeNo());
params.put("total_fee", order.getTotalFee());
params.put("spbill_create_ip", order.getSpbillCreateIp());
params.put("trade_type", TradeType.JSAPI.name());
params.put("nonce_str", System.currentTimeMillis() / 1000 + "");
params.put("notify_url", order.getNotifyUrl());
params.put("openid", order.getOpenId());
// 附加数据，在查询API和支付通知中原样返回，该字段主要用于商户携带订单的自定义数据
String attach = order.getAttach();
if (StrKit.notBlank(attach)) {
params.put("attach", attach);
}
// 订单生成时间，格式为yyyyMMddHHmmss
String timeStart = order.getTimeStart();
if (StrKit.notBlank(timeStart)) {
params.put("time_start", timeStart);
}
// 订单失效时间，格式为yyyyMMddHHmmss。注意：最短失效时间间隔必须大于5分钟
String timeExpire = order.getTimeExpire();
if (StrKit.notBlank(timeExpire)) {
params.put("time_expire", timeExpire);
}
// 商品标记，代金券或立减优惠功能的参数，
String goodsTag = order.getGoodsTag();
if (StrKit.notBlank(goodsTag)) {
params.put("goods_tag", goodsTag);
}
String signKey = order.getSignKey();
// 签名
String sign = PaymentKit.createSign(params, signKey);
params.put("sign", sign);
// 统一下单
String xmlResult = PaymentApi.pushOrder(params);
if (log.isDebugEnabled()) {
log.debug("wxaapp pushOrder xmlResult:" + xmlResult);
}
Map<String, String> result = PaymentKit.xmlToMap(xmlResult);
String return_code = result.get("return_code");
String return_msg = result.get("return_msg");
if (StrKit.isBlank(return_code) || !"SUCCESS".equals(return_code)) {
log.error(return_msg);
throw new PaymentException(return_msg);
}
String result_code = result.get("result_code");
if (StrKit.isBlank(result_code) || !"SUCCESS".equals(result_code)) {
log.error(return_msg);
throw new PaymentException(return_msg);
}
// 以下字段在return_code 和result_code都为SUCCESS的时候有返回
String prepay_id = result.get("prepay_id");
// 小程序调起支付数据签名字段信息
Map<String, String> packageParams = new HashMap<String, String>();
packageParams.put("appId", appid);
packageParams.put("timeStamp", System.currentTimeMillis() / 1000 + "");
packageParams.put("nonceStr", System.currentTimeMillis() + "");
packageParams.put("package", "prepay_id=" + prepay_id);
packageParams.put("signType", "MD5");
String packageSign = PaymentKit.createSign(packageParams, signKey);
packageParams.put("paySign", packageSign);
return packageParams;
}
}
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