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tech.mhuang.ext.interchan.payment.wechat.WechatPayServer Maven / Gradle / Ivy
package tech.mhuang.ext.interchan.payment.wechat;
import tech.mhuang.core.util.StringUtil;
import tech.mhuang.ext.interchan.payment.dto.WechatPayDTO;
import tech.mhuang.ext.interchan.payment.dto.WechatRefundDTO;
import tech.mhuang.ext.interchan.payment.exception.InterchanPayException;
import tech.mhuang.ext.interchan.payment.wechat.util.CommonUtil;
import tech.mhuang.ext.interchan.payment.wechat.util.HttpUtil;
import tech.mhuang.ext.interchan.payment.wechat.util.PayCommonUtil;
import tech.mhuang.ext.interchan.payment.wechat.util.WechatConfigUtil;
import tech.mhuang.ext.interchan.payment.wechat.util.XMLUtil;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
*
* 微信支付服务
*
* @author mhuang
* @since 1.0.0
*/
public class WechatPayServer {
private final static String APP_MODE = "APP";
/**
* 小程序、微信H5
*/
private final static String JSAPI_MODE = "JSAPI";
private final static List SUPPORT_MODE_LIST = Stream.of(APP_MODE, JSAPI_MODE).collect(Collectors.toList());
public static Map payment(WechatPayDTO dto) throws Exception {
SortedMap packageParams = createCommonParmas(dto.getAppId(), dto.getMchId());
if (SUPPORT_MODE_LIST.contains(dto.getMode().toUpperCase())) {
if (APP_MODE.equals(dto.getMode().toUpperCase())) {
return createAppPay(packageParams, dto.getTradeNo(), dto.getSubject(), dto.getAmount(), dto.getApiKey(), dto.getIp(), dto.getNotifyUrl(), dto.getProxyIp(), dto.getProxyPort());
} else if (JSAPI_MODE.equalsIgnoreCase(dto.getMode().toUpperCase())) {
return createJsApiPay(packageParams, dto.getTradeNo(), dto.getSubject(), dto.getAmount(), dto.getApiKey(), dto.getIp(), dto.getNotifyUrl(), dto.getProxyIp(), dto.getProxyPort(), dto.getOpenId());
}
}
throw new InterchanPayException(500, "暂不支持支付" + dto.getMode() + "方式");
}
public static Map refundOrder(WechatRefundDTO dto) throws Exception {
SortedMap packageParams = createCommonParmas(dto.getAppId(), dto.getMchId());
packageParams.put("out_trade_no", dto.getTradeNo());
// 商户订单号
packageParams.put("out_refund_no", dto.getOutRefundNo());
// 商户退款单号
packageParams.put("total_fee", dto.getTotalFee());
// 订单金额
packageParams.put("refund_fee", dto.getRefundFee());
// 退款金额
if (StringUtil.isNotBlank(dto.getFeeType())) {
packageParams.put("refund_fee_type", dto.getFeeType());
// 退款币种
}
if (StringUtil.isNotBlank(dto.getRefundDesc())) {
packageParams.put("refund_desc", dto.getRefundDesc());
// 退款原因
}
if (StringUtil.isNotBlank(dto.getNotifyUrl())) {
packageParams.put("notify_url", dto.getNotifyUrl());
// 退款结果通知url
}
//密匙
String sign = PayCommonUtil.createSign("UTF-8", packageParams, dto.getApiKey());
// 签名
packageParams.put("sign", sign);
String requestXML = PayCommonUtil.getRequestXml(packageParams);
String resXml = HttpUtil.postData(WechatConfigUtil.REFUND_URL, requestXML, null, dto.getProxyIp()
, dto.getProxyPort());
return XMLUtil.doXMLParse(resXml);
}
public static SortedMap createCommonParmas(String appId, String mchId) {
SortedMap packageParams = new TreeMap<>();
WechatConfigUtil.commonParams(packageParams, appId, mchId);
return packageParams;
}
public static Map createAppPay(SortedMap packageParams,
String tradeNo, String subject, String totalFee, String apiKey,
String ip, String notifyUrl) throws Exception {
return createAppPay(packageParams, tradeNo, subject, totalFee, apiKey, ip, notifyUrl, null, 0);
}
public static Map createAppPay(SortedMap packageParams,
String tradeNo, String subject, String totalFee, String apiKey,
String ip, String notifyUrl, String proxyIp, int proxyPort) throws Exception {
return createBasePay(packageParams, tradeNo, subject, totalFee, apiKey, ip, notifyUrl, proxyIp, proxyPort, APP_MODE, null);
}
public static Map createJsApiPay(SortedMap packageParams,
String tradeNo, String subject, String totalFee, String apiKey,
String ip, String notifyUrl, String openid) throws Exception {
return createJsApiPay(packageParams, tradeNo, subject, totalFee, apiKey, ip, notifyUrl, null, 0, openid);
}
public static Map createJsApiPay(SortedMap packageParams,
String tradeNo, String subject, String totalFee, String apiKey,
String ip, String notifyUrl, String proxyIp, int proxyPort, String openid) throws Exception {
// 账号信息
return createBasePay(packageParams, tradeNo, subject, totalFee, apiKey, ip, notifyUrl, proxyIp, proxyPort, JSAPI_MODE, openid);
}
public static Map createBasePay(SortedMap packageParams,
String tradeNo, String subject, String totalFee, String apiKey,
String ip, String notifyUrl, String proxyIp, int proxyPort, String appMode, String openid) throws Exception {
packageParams.put("body", subject);// 商品描述
packageParams.put("out_trade_no", tradeNo);// 商户订单号
totalFee = CommonUtil.subZeroAndDot(totalFee);
packageParams.put("total_fee", totalFee);// 总金额
//H5支付要求商户在统一下单接口中上传用户真实ip地址 spbill_create_ip
packageParams.put("spbill_create_ip", ip);// 发起人IP地址
packageParams.put("notify_url", notifyUrl);// 回调地址
packageParams.put("trade_type", appMode);// 交易类型
packageParams.put("nonce_str", PayCommonUtil.CreateNoncestr());
if (JSAPI_MODE.equalsIgnoreCase(appMode)) {
packageParams.put("openid", openid);
}
String sign = PayCommonUtil.createSign("UTF-8", packageParams, apiKey);
//密匙
packageParams.put("sign", sign);
// 签名
String requestXML = PayCommonUtil.getRequestXml(packageParams);
String resXml = HttpUtil.postData(WechatConfigUtil.UNIFIED_ORDER_URL, requestXML, null, proxyIp, proxyPort);
return XMLUtil.doXMLParse(resXml);
}
}
