微信支付后台：
只有这里设置了，程序中才能使用这个key
/**
* 微信支付统一下单接口
*
* @param userOrder 订单信息
* @return
* @throws Exception
*/
public WebResult weixinPay(UserOrder userOrder, String payType, String ip) throws Exception {
System.out.println("请求参数如下：");
System.out.println("订单信息："+userOrder.toString());
System.out.println("支付方式payType："+payType);
System.out.println("-----------------------传递来的真实ip:------------" + ip);
// 账号信息
String appId = Configure.getAppid();
// 商业号
String mchId = Configure.getMchid();
// key
String key = Configure.getKey();
// 随机字符串
String currTime = PayCommonUtil.getCurrTime();
String strTime = currTime.substring(8, currTime.length());
String strRandom = PayCommonUtil.buildRandom(4) + "";
String nonceStr = strTime + strRandom;
// 商品名称
String body = "LOVZVZU-商城";//这里非常重要，腾讯有格式要求
// 价格 注意：价格的单位是分
NumberFormat nf = NumberFormat.getInstance();
nf.setGroupingUsed(false);
//多比子订单
Double totalprice = 0d;
List<UserOrder> userOrders = orderService.select(1, 1,
null, null, null,
null, null, null,
userOrder.getOrderno(), null);
for (int i = 0; i < userOrders.size(); i++) {
UserOrder userOrder1 = userOrders.get(i);
totalprice += userOrder1.getPrice();
}
System.out.println("订单总额度："+totalprice);
List<AdminUser> userByWxid = adminUserService.findUserByWxid(userOrder.getCustomeropenid());
if (userByWxid != null&&userByWxid.size()>0) {
AdminUser adminUser = userByWxid.get(0);
Double balance = adminUser.getBalance();
System.out.println("用户余额："+balance);
if (balance>=totalprice){
totalprice = 0d;
}else {
totalprice = totalprice - balance;
}
}
System.out.println("最后需要支付额度："+totalprice);
/**
* 1、交易金额
* 交易金额默认为人民币交易，接口中参数支付金额单位为【分】，参数值不能带小数。对账单中的交易金额单位为【元】。
*
* 外币交易的支付金额精确到币种的最小单位，参数值不能带小数点。
*/
String orderPrice = nf.format(totalprice.doubleValue()*100);
// 查询订单数据表获取订单信息
// 回调接口
String notify_url = "http://xxxxxx/payWeixin/weixinNotify";
String time_start = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
Calendar ca = Calendar.getInstance();
ca.setTime(new Date());
ca.add(Calendar.DATE, 1);
String time_expire = new SimpleDateFormat("yyyyMMddHHmmss").format(ca.getTime());
SortedMap<Object, Object> packageParams = new TreeMap<Object, Object>();
packageParams.put("appid", appId);
packageParams.put("mch_id", mchId);
packageParams.put("nonce_str", nonceStr);
packageParams.put("body", body);
packageParams.put("out_trade_no", userOrder.getOrderno());
packageParams.put("total_fee", orderPrice);
packageParams.put("spbill_create_ip", ip);
packageParams.put("notify_url", notify_url);
packageParams.put("time_start", time_start);
packageParams.put("time_expire", time_expire);
if (Configure.PAY_TYPE_SCAN.equals(payType)) {// 扫码支付
System.out.println("111111111111111扫码支付");
packageParams.put("trade_type", "NATIVE");
} else if (Configure.PAY_TYPE_H5.equals(payType)) {// h5支付
System.out.println("2222222222222222----h5支付");
packageParams.put("trade_type", "MWEB");
packageParams.put("scene_info", "{\"h5_info\": {\"type\":\"Wap\",\"wap_url\": \"https://www.roseonly.com\",\"wap_name\": \"roseonly一生只送一人\"}}");
} else if (Configure.PAY_TYPE_WX.equals(payType)) {// 公众号支付
System.out.println("3333333333333333公众号支付");
packageParams.put("trade_type", "JSAPI");
packageParams.put("openid", userOrder.getCustomeropenid());
// UserLogin user = userLoginService.get(userOrders.getUserid().longValue());
// if (user != null) {
// if (user.getWeixinId() != null) {
// packageParams.put("openid", user.getWeixinId());
// }
// }
}
String sign = PayCommonUtil.createSign("UTF-8", packageParams, key);
packageParams.put("sign", sign);
String requestXML = PayCommonUtil.getRequestXml(packageParams);
System.out.println("请求xml：：：：" + requestXML);
String resXml = HttpUtil.postData(Configure.UNIFIED_ORDER_URL, requestXML);
System.out.println("返回xml：：：：" + resXml);
Map<String, String> map = XMLUtil.doXMLParse(resXml);
// if (Configure.PAY_TYPE_SCAN.equals(payType)) {
// String urlCode = map.get("code_url");
// System.out.println("打印扫码支付返回信息:::::" + urlCode);
// return urlCode;
// } else if (Configure.PAY_TYPE_H5.equals(payType)) {
// String mweb_url = map.get("mweb_url");
// System.out.println("打印h5支付返回信息 :::::" + mweb_url);
// return mweb_url;
// } else
if (Configure.PAY_TYPE_WX.equals(payType)) {
map.get("return_code").equals("return_code");
String timeStamp = getTimeStamp();
String packageValue = "prepay_id=" + map.get("prepay_id");
JsAPIPayMsg payMsg = new JsAPIPayMsg();
payMsg.setAppId(appId);
payMsg.setTimeStamp(timeStamp);
payMsg.setNonceStr(map.get("nonce_str"));
payMsg.setPackageValue(packageValue);
payMsg.setSignType(Configure.PAY_SIGN_TYPE);
//获取签名
SortedMap<Object, Object> perpayParams = new TreeMap<Object, Object>();
perpayParams.put("appId", payMsg.getAppId());
perpayParams.put("timeStamp", payMsg.getTimeStamp());
perpayParams.put("nonceStr", payMsg.getNonceStr());
perpayParams.put("package", payMsg.getPackageValue());
perpayParams.put("signType", payMsg.getSignType());
String paySign = PayCommonUtil.createSign("UTF-8", perpayParams, key);
payMsg.setPaySign(paySign);
String jsonString = JSON.toJSONString(payMsg);
WebResult webResult = new WebResult();
String return_code = map.get("return_code");
if (return_code.toUpperCase().equals("FAIL")){
String return_msg = map.get("return_msg");
webResult = new WebResult(2,"失败",return_msg);
}else{
webResult = new WebResult(1,"成功",payMsg);
}
// return webResult.toString();
System.out.println("打印公众号支付返回信息 :::::" + webResult.toString());
return webResult;
} else {
return null;
}
}
下面是一个示例：
请求xml：：：：
{
"appid":"wxsdsdfsfs",
"body":"ZU-商城",
"mch_id":"sdsdfsdf",
"nonce_str":"2148063991",
"notify_url":"http://xxxxxxxx/payWeixin/weixinNotify",
"openid":"o_XBZ6AS9TzzJ19odkw310UHXNyY",
"out_trade_no":"201905162148060001",
"sign":"ECAD32EDBBCB0F69482CC85818093262",
"spbill_create_ip":"101.30.55.30",
"time_expire":"20190517214806",
"time_start":"20190516214806",
"total_fee":"10",
"trade_type":"JSAPI"
}
返回xml：：：：
{
"return_code":"SUCCESS",
"return_msg":"OK",
"appid":"wx39sdsdsdfdsf8",
"mch_id":"15sdfsdfs521",
"nonce_str":"pz8rjFwzwP3SmIAu",
"sign":"F9E748398DE5AD4E64FADB5B38988028",
"result_code":"SUCCESS",
"prepay_id":"wx16214807119260b53874258e3836952547",
"trade_type":"JSAPI"
}
/**
* 微信支付回调方法
*
* @param request
* @param response
* @throws Exception
*/
public void weixin_notify(HttpServletRequest request, HttpServletResponse response) throws Exception {
System.out.println("++++++++++微信支付回调+++++++++++++");
// 读取参数
InputStream inputStream;
StringBuffer sb = new StringBuffer();
inputStream = request.getInputStream();
String s;
BufferedReader in = new BufferedReader(new InputStreamReader(
inputStream, "UTF-8"));
while ((s = in.readLine()) != null) {
sb.append(s);
}
in.close();
inputStream.close();
// 解析xml成map
Map<String, String> m = new HashMap<String, String>();
m = XMLUtil.doXMLParse(sb.toString());
// 过滤空 设置 TreeMap
SortedMap<Object, Object> packageParams = new TreeMap<Object, Object>();
Iterator it = m.keySet().iterator();
while (it.hasNext()) {
String parameter = (String) it.next();
String parameterValue = m.get(parameter);
String v = "";
if (null != parameterValue) {
v = parameterValue.trim();
}
packageParams.put(parameter, v);
}
// 账号信息
String key = Configure.getKey(); // key
String out_trade_no = (String) packageParams.get("out_trade_no");
// logger.info(packageParams);
// 判断签名是否正确
if (PayCommonUtil.isTenpaySign("UTF-8", packageParams, key)) {
// 处理业务开始
String resXml = "";
if ("SUCCESS".equals((String) packageParams.get("result_code"))) {
System.out.println("回调：支付成功");
System.out.println(" 返回参数如下：");
String mch_id = (String) packageParams.get("mch_id");
String openid = (String) packageParams.get("openid");
String is_subscribe = (String) packageParams.get("is_subscribe");
String bank_type = (String) packageParams.get("bank_type");
String total_fee = (String) packageParams.get("total_fee");
String transaction_id = (String) packageParams.get("transaction_id");
System.out.println("mch_id:" + mch_id);
System.out.println("openid:" + openid);
System.out.println("is_subscribe:" + is_subscribe);
System.out.println("out_trade_no:" + out_trade_no);
System.out.println("total_fee:" + total_fee);
System.out.println("bank_type:" + bank_type);
System.out.println("transaction_id:" + transaction_id);
// ////////执行自己的业务逻辑////////////////
// UserOrder userOrder = this.orderService.selectById(Integer.parseInt(out_trade_no));
System.out.println("///////执行自己的业务逻辑//////////");
List<UserOrder> userOrders = orderService.select(1, 100,
null, null, null,
null, null,
null, out_trade_no, null);
Double totalprice = 0d;
Boolean canpay = true;
String customeropenid = null;
if (userOrders != null && userOrders.size() > 0) {
for (int i = 0; i < userOrders.size(); i++) {
UserOrder userOrder = userOrders.get(i);
if (userOrder.getCustomeropenid()!=null&&!userOrder.getCustomeropenid().equals("")){
customeropenid = userOrder.getCustomeropenid();
}
totalprice += userOrder.getPrice();
//状态检查
// if (!userOrder.getStatus().equals(UserOrder.STATUS_WAITFORPAY)) {
// canpay = false;
// }
}
List<AdminUser> userByWxid = adminUserService.findUserByWxid(customeropenid);
if (userByWxid != null&&userByWxid.size()>0) {
AdminUser adminUser = userByWxid.get(0);
Double balance = adminUser.getBalance();
if (balance>=totalprice){
totalprice = 0d;
}else {
totalprice = totalprice - balance;
}
}
if (canpay) {// 说明还没被处理过orderPrice
System.out.println("订单都处于待支付状态，可正常支付");
//我这里的业务，应该是多个单加在一起
double orderPrice = totalprice;
double wxPayPrice = Double.parseDouble(total_fee) / 100;//获取支付金额
System.out.println("该订单应支付："+orderPrice+" 用户微信支付："+wxPayPrice);
if (wxPayPrice == orderPrice) {
System.out.println("微信同步通知交易金额验证通过- 订单号：" + out_trade_no + " 订单价：" + orderPrice + "微信返回支付：" + total_fee);
// payAlipayService.pay(out_trade_no, openid, transaction_id, request, "10");
//自己的业务逻辑
for (int i = 0; i < userOrders.size(); i++) {
UserOrder userOrder = userOrders.get(i);
OrderController orderController = new OrderController();
boolean b = orderController.payOrderCallback(userOrder);
if (!b) {
System.out.println("订单回调业务出错，下面是订单信息");
System.out.println(userOrder.toString());
}
}
resXml = "<xml>"
+ "<return_code><![CDATA[SUCCESS]]></return_code>"
+ "<return_msg><![CDATA[支付成功]]></return_msg>"
+ "</xml> ";
} else {
System.out.println("微信同步通知交易金额不一致-- 订单号：" + out_trade_no + " 订单价：" + orderPrice + "微信返回支付：" + total_fee);
resXml = "<xml>"
+ "<return_code><![CDATA[FAIL]]></return_code>"
+ "<return_msg><![CDATA[金额不一致]]></return_msg>"
+ "</xml> ";
}
} else {
System.out.println("微信同步通知处理结果-订单状态已经被更改" + out_trade_no);
resXml = "<xml>"
+ "<return_code><![CDATA[FAIL]]></return_code>"
+ "<return_msg><![CDATA[状态已更改]]></return_msg>"
+ "</xml> ";
}
} else {
System.out.println("微信同步通知该订单号不存在-" + out_trade_no);
resXml = "<xml>"
+ "<return_code><![CDATA[FAIL]]></return_code>"
+ "<return_msg><![CDATA[订单号不存在]]></return_msg>"
+ "</xml> ";
}
} else {
System.out.println("支付失败,错误信息：" + packageParams.get("err_code") + "-----订单号：：：" + out_trade_no
+ "*******支付失败时间：：：：" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
String err_code = (String) packageParams.get("err_code");
resXml = "<xml>"
+ "<return_code><![CDATA[FAIL]]></return_code>"
+ "<return_msg><![CDATA[" + err_code
+ "]]></return_msg>" + "</xml> ";
}
// 处理业务完毕
BufferedOutputStream out = new BufferedOutputStream(response.getOutputStream());
out.write(resXml.getBytes());
out.flush();
out.close();
} else {
System.out.println("通知签名验证失败---时间::::" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
}
}