Analyse de l'utilisation de H5 pour appeler et payer le paiement du compte public WeChat

这篇文章主要为大家详细介绍了微信公众号支付H5调用支付,具有一定的参考价值，感兴趣的小伙伴们可以参考一下

最近项目需要微信支付，然后看了下微信公众号支付，虽然不难，但是细节还是需要注意的，用了大半天时间写了个demo，并且完整的测试了一下支付流程，下面分享一下微信公众号支付的经验。

一、配置公众号微信支付  

需要我们配置微信公众号支付地址和测试白名单。

  

比如：支付JS页面的地址为 http://www.xxx.com/shop/pay/
            那此处配置www.xxx.com/shop/pay/

二、开发流程

借用微信公众号支付api(地址 http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=7_4)，我们需要开发的为红色标记出的。如下：

   

三、向微信服务器端下订单

调用统一下单接口，这样就能获取微信支付的prepay_id（http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_1）。

在调用该接口前有几个字段是H5支付必须填写的openid

3.1 获取openid

可以通过网页授权形式（http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html）

在微信中发送如下链接     

https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx520c15f417810387&redirect_uri=要跳转的下订单的url&response_type=code&scope=snsapi_base&state=123#wechat_redirect

 3.2 后台支付

代码如下，包含预处理订单，支付订单等接口。

package org.andy.controller; 
 
import java.io.ByteArrayInputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.UnsupportedEncodingException; 
import java.util.Date; 
import java.util.HashMap; 
import java.util.Iterator; 
import java.util.Map; 
import java.util.Map.Entry; 
import java.util.Random; 
 
import javax.servlet.ServletInputStream; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import org.apache.commons.codec.digest.DigestUtils; 
import org.springframework.stereotype.Controller; 
import org.springframework.web.bind.annotation.RequestMapping; 
import org.xmlpull.v1.XmlPullParser; 
import org.xmlpull.v1.XmlPullParserException; 
import org.xmlpull.v1.XmlPullParserFactory; 
 
import com.fasterxml.jackson.databind.JsonNode; 
import com.gson.oauth.Oauth; 
import com.gson.oauth.Pay; 
import com.gson.util.HttpKit; 
import com.gson.util.Tools; 
import org.andy.util.DatetimeUtil; 
import org.andy.util.JsonUtil; 
import org.andy.util.SessionUtil; 
import org.andy.util.WebUtil; 
 
@Controller 
@RequestMapping("/pay") 
public class WXPayController { 
 
 @RequestMapping(value = "wxprepay") 
 public void jspay(HttpServletRequest request, HttpServletResponse response, String callback) throws Exception { 
 // 获取openid 
 String openId = SessionUtil.getAtt(request, "openId"); 
 if (openId == null) { 
 openId = getUserOpenId(request); 
 } 
 
 String appid = "wx16691fcb0523c1a4"; 
 String partnerid = "22223670"; 
 String paternerKey = "fjfjfjfjf1234567FFFFFFFFF1234567"; 
 
 String out_trade_no = getTradeNo(); 
 Map<String, String> paraMap = new HashMap<String, String>(); 
 paraMap.put("appid", appid); 
 paraMap.put("attach", "测试支付"); 
 paraMap.put("body", "测试购买Beacon支付"); 
 paraMap.put("mch_id", partnerid); 
 paraMap.put("nonce_str", create_nonce_str()); 
 paraMap.put("openid", openId); 
 paraMap.put("out_trade_no", out_trade_no); 
 paraMap.put("spbill_create_ip", getAddrIp(request)); 
 paraMap.put("total_fee", "1"); 
 paraMap.put("trade_type", "JSAPI"); 
 paraMap.put("notify_url", "http://www.xxx.co/wxpay/pay/appPay_notify.shtml"); 
 String sign = getSign(paraMap, paternerKey); 
 paraMap.put("sign", sign); 
 
 // 统一下单 https://api.mch.weixin.qq.com/pay/unifiedorder 
 String url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; 
 
 String xml = ArrayToXml(paraMap, false); 
 
 String xmlStr = HttpKit.post(url, xml); 
 
 // 预付商品id 
 String prepay_id = ""; 
 
 if (xmlStr.indexOf("SUCCESS") != -1) { 
 Map<String, String> map = doXMLParse(xmlStr); 
 prepay_id = (String) map.get("prepay_id"); 
 } 
 
 Map<String, String> payMap = new HashMap<String, String>(); 
 payMap.put("appId", appid); 
 payMap.put("timeStamp", create_timestamp()); 
 payMap.put("nonceStr", create_nonce_str()); 
 payMap.put("signType", "MD5"); 
 payMap.put("package", "prepay_id=" + prepay_id); 
 String paySign = getSign(payMap, paternerKey); 
 
 payMap.put("pg", prepay_id); 
 payMap.put("paySign", paySign); 
 
 
 WebUtil.response(response, WebUtil.packJsonp(callback, JsonUtil.warpJsonNodeResponse(JsonUtil.objectToJsonNode(payMap)).toString())); 
 } 
 
 @RequestMapping(value = "appPay") 
 public void appPay(HttpServletRequest request, HttpServletResponse response, String body, String detail, String total_fee, String spbill_create_ip, 
 String notify_url, String trade_type, String callback) throws Exception { 
 
 String appid = "wx16691fcb0523c1a4"; 
 String partnerid = "22223670"; 
 String paternerKey = "fjfjfjfjf1234567FFFFFFFFF1234567"; 
 
 String out_trade_no = getTradeNo(); 
 Map<String, String> paraMap = new HashMap<String, String>(); 
 paraMap.put("appid", appid); 
 paraMap.put("body", body); 
 paraMap.put("mch_id", partnerid); 
 paraMap.put("nonce_str", create_nonce_str()); 
 paraMap.put("out_trade_no", out_trade_no); 
 paraMap.put("spbill_create_ip", spbill_create_ip); 
 paraMap.put("total_fee", total_fee); 
 paraMap.put("trade_type", trade_type); 
 paraMap.put("notify_url", notify_url); 
 String sign = getSign(paraMap, paternerKey); 
 paraMap.put("sign", sign); 
 
 // 统一下单 https://api.mch.weixin.qq.com/pay/unifiedorder 
 String url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; 
 
 String xml = ArrayToXml(paraMap, false); 
 
 String xmlStr = HttpKit.post(url, xml); 
 
 // 预付商品id 
 String prepay_id = ""; 
 
 Map<String, String> map = doXMLParse(xmlStr); 
 if (xmlStr.indexOf("SUCCESS") != -1) { 
 prepay_id = (String) map.get("prepay_id"); 
 } 
 
 String result_code = map.get("result_code"); 
 String err_code_des = map.get("err_code_des"); 
 Map<String, String> payMap = new HashMap<String, String>(); 
 payMap.put("appid", appid); 
 payMap.put("partnerid", partnerid); 
 payMap.put("prepayid", prepay_id); 
 payMap.put("package", "Sign=WXPay"); 
 payMap.put("noncestr", create_nonce_str()); 
 payMap.put("timestamp", create_timestamp()); 
 String paySign = getSign(payMap, paternerKey); 
 
 payMap.put("sign", paySign); 
 payMap.put("result_code", result_code); 
 payMap.put("err_code_des", err_code_des); 
 
 
 WebUtil.response(response, WebUtil.packJsonp(callback, JsonUtil.warpJsonNodeResponse(JsonUtil.objectToJsonNode(payMap)).toString())); 
 } 
 
 @RequestMapping("/appPay_notify") 
 public void appPayNotify(HttpServletRequest request, HttpServletResponse response) throws Exception{ 
 //String xml = "<xml><appid><![CDATA[wxb4dc385f953b356e]]></appid><bank_type><![CDATA[CCB_CREDIT]]></bank_type><cash_fee><![CDATA[1]]></cash_fee><fee_type><![CDATA[CNY]]></fee_type><is_subscribe><![CDATA[Y]]></is_subscribe><mch_id><![CDATA[1228442802]]></mch_id><nonce_str><![CDATA[1002477130]]></nonce_str><openid><![CDATA[o-HREuJzRr3moMvv990VdfnQ8x4k]]></openid><out_trade_no><![CDATA[1000000000051249]]></out_trade_no><result_code><![CDATA[SUCCESS]]></result_code><return_code><![CDATA[SUCCESS]]></return_code><sign><![CDATA[1269E03E43F2B8C388A414EDAE185CEE]]></sign><time_end><![CDATA[20150324100405]]></time_end><total_fee>1</total_fee><trade_type><![CDATA[JSAPI]]></trade_type><transaction_id><![CDATA[1009530574201503240036299496]]></transaction_id></xml>"; 
 response.setCharacterEncoding("UTF-8"); 
 response.setContentType("text/xml"); 
 ServletInputStream in = request.getInputStream(); 
 String xmlMsg = Tools.inputStream2String(in); 
 
 Map<String, String> map = doXMLParse(xmlMsg); 
 String return_code = map.get("return_code"); 
 String return_msg = map.get("return_msg"); 
 
 map = new HashMap<String, String>(); 
 map.put("return_code", return_code); 
 map.put("return_msg", return_msg); 
 
 //响应xml 
 String resXml = ArrayToXml(map, true); 
 response.getWriter().write(resXml); 
 } 
 
 @RequestMapping("/orderquery.do") 
 public void orderquery(HttpServletRequest request, HttpServletResponse response, String transaction_id, String out_trade_no, String callback) throws Exception{ 
 
 String url = "https://api.mch.weixin.qq.com/pay/orderquery"; 
 
 String appid = "wx16691fcb0523c1a4"; 
 String partnerid = "22223670"; 
 String paternerKey = "fjfjfjfjf1234567FFFFFFFFF1234567"; 
 
 Map<String, String> map = new HashMap<String, String>(); 
 map.put("appid", appid); 
 map.put("mch_id", partnerid); 
 if(transaction_id != null && !transaction_id.equals("")){ 
 map.put("transaction_id", transaction_id); 
 }else { 
 map.put("out_trade_no", out_trade_no); 
 } 
 map.put("nonce_str", create_nonce_str()); 
 String paySign = getSign(map, paternerKey); 
 map.put("sign", paySign); 
 
 String xml = ArrayToXml(map, false); 
 String xmlStr = HttpKit.post(url, xml); 
 
 Map<String, String> orderMap = doXMLParse(xmlStr); 
 
 
 WebUtil.response(response, WebUtil.packJsonp(callback, JsonUtil.warpJsonNodeResponse(JsonUtil.objectToJsonNode(orderMap)).toString())); 
 } 
 
 /** 
 * map转成xml 
 * 
 * @param arr 
 * @return 
 */ 
 public String ArrayToXml(Map<String, String> parm, boolean isAddCDATA) { 
 StringBuffer strbuff = new StringBuffer(<xml>); 
 if (parm != null ) { 
 for (Entry<String, String> entry : parm.entrySet()) { 
 strbuff.append("<").append(entry.getKey()).append(">"); 
 if (isAddCDATA) { 
  strbuff.append(<![CDATA[).append(entry.getValue()).append(]]>); 
 }else { 
  strbuff.append(entry.getValue()); 
 } 
 strbuff.append("<").append(entry.getKey()).append(">"); 
 } 
 } 
 return strbuff.append(</xml>).toString(); 
 } 
 
 // 获取openId 
 private String getUserOpenId(HttpServletRequest request) throws Exception { 
 String code = request.getParameter("code"); 
 if (code == null) { 
 String openId = request.getParameter("openId"); 
 return openId; 
 } 
 Oauth o = new Oauth(); 
 String token = o.getToken(code); 
 JsonNode node = JsonUtil.StringToJsonNode(token); 
 String openId = node.get("openid").asText(); 
 return openId; 
 } 
 
 private String create_nonce_str() { 
 String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; 
 String res = ""; 
 for (int i = 0; i < 16; i++) { 
 Random rd = new Random(); 
 res += chars.charAt(rd.nextInt(chars.length() - 1)); 
 } 
 return res; 
 } 
 
 private String getAddrIp(HttpServletRequest request){ 
 return request.getRemoteAddr(); 
 } 
 
 private String create_timestamp() { 
 return Long.toString(System.currentTimeMillis() / 1000); 
 } 
 
 private String getTradeNo(){ 
 String timestamp = DatetimeUtil.formatDate(new Date(), DatetimeUtil.DATETIME_PATTERN); 
 return "HZNO" + timestamp; 
 } 
 
 private String getSign(Map<String, String> params, String paternerKey ) 
 throws UnsupportedEncodingException { 
 String string1 = Pay.createSign(params, false); 
 String stringSignTemp = string1 + "&key=" + paternerKey; 
 String signValue = DigestUtils.md5Hex(stringSignTemp).toUpperCase(); 
 return signValue; 
 } 
 
 private Map<String, String> doXMLParse(String xml) 
 throws XmlPullParserException, IOException { 
 
 InputStream inputStream = new ByteArrayInputStream(xml.getBytes()); 
 
 Map<String, String> map = null; 
 
 XmlPullParser pullParser = XmlPullParserFactory.newInstance() 
 .newPullParser(); 
 
 pullParser.setInput(inputStream, "UTF-8"); // 为xml设置要解析的xml数据 
 
 int eventType = pullParser.getEventType(); 
 
 while (eventType != XmlPullParser.END_DOCUMENT) { 
 switch (eventType) { 
 case XmlPullParser.START_DOCUMENT: 
 map = new HashMap<String, String>(); 
 break; 
 
 case XmlPullParser.START_TAG: 
 String key = pullParser.getName(); 
 if (key.equals("xml")) 
  break; 
 
 String value = pullParser.nextText(); 
 map.put(key, value); 
 
 break; 
 
 case XmlPullParser.END_TAG: 
 break; 
 
 } 
 
 eventType = pullParser.next(); 
 
 } 
 
 return map; 
 } 
 
}

  wxprepay.shtm接口是预处理订单接口向微信服务器下订单。
  appPay.shtml接口是支付接口。
  appPay_notify.shtml接口是微信支付后异步通知结果接口。
  orderquery.shtml接口是订单查询接口

3.3、涉及到的工具类
SessionUtil.java工具类

package org.andy.util; 
 
import javax.servlet.http.HttpServletRequest; 
 
 
public class SessionUtil { 
 public static void addAtt(HttpServletRequest request, String key, Object value){ 
 request.getSession().setAttribute(key, value); 
 } 
 
 public static void removeAtt(HttpServletRequest request, String key){ 
 request.getSession().removeAttribute(key); 
 } 
 
 public static String getAtt(HttpServletRequest request, String key){ 
 return (String)request.getSession().getAttribute(key); 
 } 
 
 public static Object getAttObj(HttpServletRequest request, String key){ 
 return request.getSession().getAttribute(key); 
 } 
 
 public static String optAtt(HttpServletRequest request, String key, String value){ 
 String r = (String)request.getSession().getAttribute(key); 
 if (r == null){ 
 r = value; 
 } 
 return r; 
 } 
 
}

HttpKit 网络请求工具类

/** 
 * https 请求 微信为https的请求 
 * 
 * @author andy 
 * @date 2015-10-9 下午2:40:19 
 */ 
public class HttpKit { 
 private static final String DEFAULT_CHARSET = "UTF-8"; 
 /** 
 * @return 返回类型: 
 * @throws IOException 
 * @throws UnsupportedEncodingException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 * @description 功能描述: get 请求 
 */ 
 public static String get(String url, Map<String, String> params, Map<String, String> headers) throws IOException, ExecutionException, InterruptedException { 
 AsyncHttpClient http = new AsyncHttpClient(); 
 AsyncHttpClient.BoundRequestBuilder builder = http.prepareGet(url); 
 builder.setBodyEncoding(DEFAULT_CHARSET); 
 if (params != null && !params.isEmpty()) { 
 Set<String> keys = params.keySet(); 
 for (String key : keys) { 
 builder.addQueryParameter(key, params.get(key)); 
 } 
 } 
 
 if (headers != null && !headers.isEmpty()) { 
 Set<String> keys = headers.keySet(); 
 for (String key : keys) { 
 builder.addHeader(key, params.get(key)); 
 } 
 } 
 Future<Response> f = builder.execute(); 
 String body = f.get().getResponseBody(DEFAULT_CHARSET); 
 http.close(); 
 return body; 
 } 
 
 /** 
 * @return 返回类型: 
 * @throws IOException 
 * @throws UnsupportedEncodingException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 * @description 功能描述: get 请求 
 */ 
 public static String get(String url) throws KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException, UnsupportedEncodingException, IOException, ExecutionException, InterruptedException { 
 return get(url, null); 
 } 
 
 /** 
 * @return 返回类型: 
 * @throws IOException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 * @throws UnsupportedEncodingException 
 * @description 功能描述: get 请求 
 */ 
 public static String get(String url, Map<String, String> params) throws KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException, UnsupportedEncodingException, IOException, ExecutionException, InterruptedException { 
 return get(url, params, null); 
 } 
 
 /** 
 * @return 返回类型: 
 * @throws IOException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 * @description 功能描述: POST 请求 
 */ 
 public static String post(String url, Map<String, String> params) throws IOException, ExecutionException, InterruptedException { 
 AsyncHttpClient http = new AsyncHttpClient(); 
 AsyncHttpClient.BoundRequestBuilder builder = http.preparePost(url); 
 builder.setBodyEncoding(DEFAULT_CHARSET); 
 if (params != null && !params.isEmpty()) { 
 Set<String> keys = params.keySet(); 
 for (String key : keys) { 
 builder.addParameter(key, params.get(key)); 
 } 
 } 
 Future<Response> f = builder.execute(); 
 String body = f.get().getResponseBody(DEFAULT_CHARSET); 
 http.close(); 
 return body; 
 } 
 
 public static String post(String url, String s) throws IOException, ExecutionException, InterruptedException { 
 AsyncHttpClient http = new AsyncHttpClient(); 
 AsyncHttpClient.BoundRequestBuilder builder = http.preparePost(url); 
 builder.setBodyEncoding(DEFAULT_CHARSET); 
 builder.setBody(s); 
 Future<Response> f = builder.execute(); 
 String body = f.get().getResponseBody(DEFAULT_CHARSET); 
 http.close(); 
 return body; 
 } 
 
}

支付工具类pay.java

/** 
 * 支付相关方法 
 * @author andy 
 * 
 */ 
public class Pay { 
 
 // 发货通知接口 
 private static final String DELIVERNOTIFY_URL = "https://api.weixin.qq.com/pay/delivernotify?access_token="; 
 
 /** 
 * 参与 paySign 签名的字段包括：appid、timestamp、noncestr、package 以及 appkey。 
 * 这里 signType 并不参与签名微信的Package参数 
 * @param params 
 * @return 
 * @throws UnsupportedEncodingException 
 */ 
 public static String getPackage(Map<String, String> params) throws UnsupportedEncodingException { 
 String partnerKey = ConfKit.get("partnerKey"); 
 String partnerId = ConfKit.get("partnerId"); 
 String notifyUrl = ConfKit.get("notify_url"); 
 // 公共参数 
 params.put("bank_type", "WX"); 
 params.put("attach", "yongle"); 
 params.put("partner", partnerId); 
 params.put("notify_url", notifyUrl); 
 params.put("input_charset", "UTF-8"); 
 return packageSign(params, partnerKey); 
 } 
 
 /** 
 * 构造签名 
 * @param params 
 * @param encode 
 * @return 
 * @throws UnsupportedEncodingException 
 */ 
 public static String createSign(Map<String, String> params, boolean encode) throws UnsupportedEncodingException { 
 Set<String> keysSet = params.keySet(); 
 Object[] keys = keysSet.toArray(); 
 Arrays.sort(keys); 
 StringBuffer temp = new StringBuffer(); 
 boolean first = true; 
 for (Object key : keys) { 
 if (first) { 
 first = false; 
 } else { 
 temp.append("&"); 
 } 
 temp.append(key).append("="); 
 Object value = params.get(key); 
 String valueString = ""; 
 if (null != value) { 
 valueString = value.toString(); 
 } 
 if (encode) { 
 temp.append(URLEncoder.encode(valueString, "UTF-8")); 
 } else { 
 temp.append(valueString); 
 } 
 } 
 return temp.toString(); 
 } 
 
 /** 
 * @param params 
 * @param paternerKey 
 * @return 
 * @throws UnsupportedEncodingException 
 */ 
 private static String packageSign(Map<String, String> params, String paternerKey) throws UnsupportedEncodingException { 
 String string1 = createSign(params, false); 
 String stringSignTemp = string1 + "&key=" + paternerKey; 
 String signValue = DigestUtils.md5Hex(stringSignTemp).toUpperCase(); 
 String string2 = createSign(params, true); 
 return string2 + "&sign=" + signValue; 
 } 
 
 /** 
 * 支付签名 
 * @param timestamp 
 * @param noncestr 
 * @param packages 
 * @return 
 * @throws UnsupportedEncodingException 
 */ 
 public static String paySign(String timestamp, String noncestr,String packages) throws UnsupportedEncodingException { 
 Map<String, String> paras = new HashMap<String, String>(); 
 paras.put("appid", ConfKit.get("AppId")); 
 paras.put("timestamp", timestamp); 
 paras.put("noncestr", noncestr); 
 paras.put("package", packages); 
 paras.put("appkey", ConfKit.get("paySignKey")); 
 // appid、timestamp、noncestr、package 以及 appkey。 
 String string1 = createSign(paras, false); 
 String paySign = DigestUtils.shaHex(string1); 
 return paySign; 
 } 
 
 /** 
 * 支付回调校验签名 
 * @param timestamp 
 * @param noncestr 
 * @param openid 
 * @param issubscribe 
 * @param appsignature 
 * @return 
 * @throws UnsupportedEncodingException 
 */ 
 public static boolean verifySign(long timestamp, 
 String noncestr, String openid, int issubscribe, String appsignature) throws UnsupportedEncodingException { 
 Map<String, String> paras = new HashMap<String, String>(); 
 paras.put("appid", ConfKit.get("AppId")); 
 paras.put("appkey", ConfKit.get("paySignKey")); 
 paras.put("timestamp", String.valueOf(timestamp)); 
 paras.put("noncestr", noncestr); 
 paras.put("openid", openid); 
 paras.put("issubscribe", String.valueOf(issubscribe)); 
 // appid、appkey、productid、timestamp、noncestr、openid、issubscribe 
 String string1 = createSign(paras, false); 
 String paySign = DigestUtils.shaHex(string1); 
 return paySign.equalsIgnoreCase(appsignature); 
 } 
 
 /** 
 * 发货通知签名 
 * @param paras 
 * @return 
 * @throws UnsupportedEncodingException 
 * 
 * @参数 appid、appkey、openid、transid、out_trade_no、deliver_timestamp、deliver_status、deliver_msg； 
 */ 
 private static String deliverSign(Map<String, String> paras) throws UnsupportedEncodingException { 
 paras.put("appkey", ConfKit.get("paySignKey")); 
 String string1 = createSign(paras, false); 
 String paySign = DigestUtils.shaHex(string1); 
 return paySign; 
 } 
 
 
 /** 
 * 发货通知 
 * @param access_token 
 * @param openid 
 * @param transid 
 * @param out_trade_no 
 * @return 
 * @throws IOException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 * @throws InterruptedException 
 * @throws ExecutionException 
 */ 
 
 public static boolean delivernotify(String access_token, String openid, String transid, String out_trade_no) throws IOException, ExecutionException, InterruptedException { 
 Map<String, String> paras = new HashMap<String, String>(); 
 paras.put("appid", ConfKit.get("AppId")); 
 paras.put("openid", openid); 
 paras.put("transid", transid); 
 paras.put("out_trade_no", out_trade_no); 
 paras.put("deliver_timestamp", (System.currentTimeMillis() / 1000) + ""); 
 paras.put("deliver_status", "1"); 
 paras.put("deliver_msg", "ok"); 
 // 签名 
 String app_signature = deliverSign(paras); 
 paras.put("app_signature", app_signature); 
 paras.put("sign_method", "sha1"); 
 String json = HttpKit.post(DELIVERNOTIFY_URL.concat(access_token), JSONObject.toJSONString(paras)); 
 if (StringUtils.isNotBlank(json)) { 
 JSONObject object = JSONObject.parseObject(json); 
 if (object.containsKey("errcode")) { 
 int errcode = object.getIntValue("errcode"); 
 return errcode == 0; 
 } 
 } 
 return false; 
 } 
}

流转化Tools.java工具类

public final class Tools { 
 
 public static final String inputStream2String(InputStream in) throws UnsupportedEncodingException, IOException{ 
 if(in == null) 
 return ""; 
 
 StringBuffer out = new StringBuffer(); 
 byte[] b = new byte[4096]; 
 for (int n; (n = in.read(b)) != -1;) { 
 out.append(new String(b, 0, n, "UTF-8")); 
 } 
 return out.toString(); 
 } 
 
 public static final boolean checkSignature(String token,String signature,String timestamp,String nonce){ 
 List<String> params = new ArrayList<String>(); 
 params.add(token); 
 params.add(timestamp); 
 params.add(nonce); 
 Collections.sort(params,new Comparator<String>() { 
 @Override 
 public int compare(String o1, String o2) { 
 return o1.compareTo(o2); 
 } 
 }); 
 String temp = params.get(0)+params.get(1)+params.get(2); 
 return SHA1.encode(temp).equals(signature); 
 } 
}

相应前端数据工具WebUtil.java工具类

public class WebUtil { 
 
 public static Object getSessionAttribute(HttpServletRequest req, String key) { 
 Object ret = null; 
 
 try { 
 ret = req.getSession(false).getAttribute(key); 
 } catch (Exception e) { 
 } 
 return ret; 
 } 
 
 public static void response(HttpServletResponse response, String result) { 
 try { 
 response.setContentType("application/json;charset=utf-8"); 
 response.getWriter().write(result); 
 } catch (IOException e) { 
 e.printStackTrace(); 
 } 
 
 } 
 
 public static void response(HttpServletResponse response, ResponseMessage result) { 
 try { 
 response.setContentType("application/json;charset=utf-8"); 
 response.getWriter().write(JsonUtil.objectToJsonNode(result).toString()); 
 } catch (Exception e) { 
 e.printStackTrace(); 
 } 
 } 
 
 public static String packJsonp(String callback, String json) { 
 if (json == null) { 
 json = ""; 
 } 
 if (callback == null || callback.isEmpty()) { 
 return json; 
 } 
 
 return callback + "&&" + callback + '(' + json + ')'; 
 } 
 
 public static String packJsonp(String callback, ResponseMessage response) { 
 String json = null; 
 if (response == null) { 
 json = ""; 
 } else { 
 json = JsonUtil.objectToJsonNode(response).toString(); 
 } 
 if (callback == null || callback.isEmpty()) { 
 return json; 
 } 
 
 return callback + "&&" + callback + '(' + json + ')'; 
 } 
}

Json转换工具JsonUtil.java

public class JsonUtil { 
 
 public static ObjectNode warpJsonNodeResponse(JsonNode obj){ 
 ObjectNode objectNode=createObjectNode(); 
 objectNode.put("code", 1); 
 objectNode.put("response", obj); 
 return objectNode; 
 } 
 
 public static JsonNode objectToJsonNode(Object obj){ 
 try { 
 ObjectMapper objectMapper = new ObjectMapper(); 
 String objJson=objectMapper.writeValueAsString(obj); 
 JsonNode jsonNode = objectMapper.readTree(objJson); 
 return jsonNode; 
 } catch (JsonProcessingException e) { 
 e.printStackTrace(); 
 } catch (IOException e) { 
 // TODO Auto-generated catch block 
 e.printStackTrace(); 
 } 
 return null; 
 } 
 
}

四、微信H5调起支付

 这个url需要后台实现，其实现功能如下：
         1、接受微信服务器端发送的支付结果。
         2、向微信服务器发送支付结果

具体 参考微信aip(http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_7)
具体代码如下：
4.1、授权向后台发起生成统一下订单页面
wxrepay.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> 
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %> 
<% 
 String path = request.getContextPath(); 
 String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; 
 long t = System.currentTimeMillis(); 
%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<meta charset="utf-8" /> 
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /> 
<meta name="apple-mobile-web-app-capable" content="yes" /> 
<meta name="apple-mobile-web-app-status-bar-style" content="black" /> 
<meta name="format-detection" content="telephone=no" /> 
<title>微信公众号支付</title> 
<link href="../css/css.css?t=<%=t%>" rel="stylesheet" type="text/css"> 
</head> 
 
<body> 
 <p class="index_box"> 
 <p class="apply_name">商品</p> 
 
 
 <p class="branch_con"> 
 <ul> 
 <li><span class="name">beacon 1分钱 1只</span></li> 
 <li><span class="name">测试支付信息</span></li> 
 </ul> 
 <p class="cz_btn"><a href="javascript:reppay();" class="btn_1">确定购买</a></p> 
 </p> 
 </p> 
 
 <script type="text/javascript" src="../js/common.js?t=<%=t%>"></script> 
 <script type="text/javascript" > 
 
 var code = urlparameter("code"); 
 
 function reppay(){ 
 
 ajaxUtil({}, mainpath+"/pay/wxprepay.shtml?code=" + code, repay); 
 
 } 
 
 function repay(response){ 
 var info = response; 
 var url = "wxpay?appId=" + info.appId + "&timeStamp=" +info.timeStamp + "&nonceStr=" + info.nonceStr + 
  "&pg=" +info.pg + "&signType=" +info.signType + "&paySign=" +info.paySign; 
 
 window.location.href= url + "&showwxpaytitle=1"; 
 } 
 
 
 
 </script> 
</body> 
</html>

首先是请求服务端wxprepay.shml接口，后台向微信支付平台获取支付订单信息，返回前台，wxpay.jsp页面
4.2、确认支付页面

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> 
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %> 
<% 
 String path = request.getContextPath(); 
 String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; 
 long t = System.currentTimeMillis(); 
%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<meta charset="utf-8" /> 
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /> 
<meta name="apple-mobile-web-app-capable" content="yes" /> 
<meta name="apple-mobile-web-app-status-bar-style" content="black" /> 
<meta name="format-detection" content="telephone=no" /> 
<title>微信公众号支付</title> 
<link href="../css/css.css?t=<%=t%>" rel="stylesheet" type="text/css"> 
</head> 
 
<body> 
 <p class="index_box"> 
 <p class="apply_name">微信js支付测试</p> 
 
 
 <p class="branch_con"> 
 <ul> 
 <li><span class="name">测试支付信息</span></li> 
 </ul> 
 <p class="cz_btn"><a href="javascript:pay();" class="btn_1">立即支付</a></p> 
 </p> 
 </p> 
 
 <script type="text/javascript" src="../js/common.js?t=<%=t%>"></script> 
 <script type="text/javascript"> 
 
 var appId = urlparameter("appId"); 
 var timeStamp = urlparameter("timeStamp"); 
 var nonceStr = urlparameter("nonceStr"); 
 var pg = urlparameter("pg"); 
 var signType = urlparameter("signType"); 
 var paySign = urlparameter("paySign"); 
 
 
 function onBridgeReady(){ 
 
 WeixinJSBridge.invoke( 
 &#39;getBrandWCPayRequest&#39;, { 
  "appId" : appId, //公众号名称，由商户传入 
  "timeStamp": timeStamp, //时间戳，自1970年以来的秒数 
  "nonceStr" : nonceStr, //随机串 
  "package" : "prepay_id=" + pg, 
  "signType" : signType, //微信签名方式: 
  "paySign" : paySign //微信签名 
 }, 
  
 function(res){ 
  if(res.err_msg == "get_brand_wcpay_request:ok" ) { 
  
  alert("支付成功"); 
  } // 使用以上方式判断前端返回,微信团队郑重提示：res.err_msg将在用户支付成功后返回 ok，但并不保证它绝对可靠。 
 } 
 ); 
 } 
 
 
 function pay(){ 
 
 if (typeof WeixinJSBridge == "undefined"){ 
 if( document.addEventListener ){ 
  document.addEventListener(&#39;WeixinJSBridgeReady&#39;, onBridgeReady, false); 
 }else if (document.attachEvent){ 
  document.attachEvent(&#39;WeixinJSBridgeReady&#39;, onBridgeReady); 
  document.attachEvent(&#39;onWeixinJSBridgeReady&#39;, onBridgeReady); 
 } 
 }else{ 
 onBridgeReady(); 
 } 
 
 } 
 </script> 
</body> 
</html>

4.2、前台涉及到的工具类
javascript工具类common.js，样式css.css就不贴了没意义。

var path="wxpay"; 
var mainpath = "/wxpay"; 
var appid = "wx16691fcb0523c1a4"; 
var urlpre = "http://www.xxx.com/wxpay/page"; 
var urlhost = "http://www.xxx.com/"; 
 
$(document).ready(function(){ 
 $(".refresher").click(function(){ 
 refresh(); 
 }); 
 $("#goback").click(function(){ 
 goback(); 
 }); 
}); 
function popupMsg(msg){ 
 alert(msg); 
} 
function printUtilViaGet(panel, requestdata, ajaxurl, printfunction){ 
 $.ajax({ 
 type: 'GET', 
 url: ajaxurl, 
 data: requestdata, 
 cache:false, 
 dataType:"json", 
 async: false, 
 success: function(response) { 
 if (response.code){ 
 if (panel != null && panel.length > 0){ 
  $(panel).html(""); 
  if (printfunction != null) 
  $(panel).html(printfunction(response.response)); 
 } 
 return true; 
 } else { 
 //alert(response.reason); 
 } 
 }, 
 error: function(x, e) { 
 //alert("error", x); 
 }, 
 complete: function(x) { 
 //alert("call complete"); 
 } 
 }); 
 return false; 
} 
 
function ajaxUtilViaGet(requestdata, ajaxurl, succFunction, failFunction){ 
 $.ajax({ 
 url: ajaxurl, 
 type: "GET", 
 dataType: "json", 
 cache:false, 
 data: requestdata, 
 async: false, 
 success: function(response) { 
 if (response.code){ 
 if (succFunction != null) 
  succFunction(response.response); 
 } else { 
 if (failFunction != null) 
  failFunction(response.response); 
 } 
 }, 
 error: function(x, e) { 
 //alert("error", x); 
 }, 
 complete: function(x) { 
 } 
 }); 
 return false; 
} 
function printUtil(panel, requestdata, ajaxurl, printfunction, ajaxasync) { 
 if (isEmpty(ajaxasync)) { 
 ajaxasync = false; 
 } 
 $.ajax({ 
 type : 'POST', 
 url : ajaxurl, 
 data : requestdata, 
 cache : false, 
 dataType : "json", 
 async : ajaxasync, 
 success : function(response) { 
 if (response.code) { 
 if (panel != null && panel.length > 0) { 
  $(panel).html(""); 
  if (printfunction != null) 
  $(panel).html(printfunction(response.response)); 
 } 
 return true; 
 } else { 
 // alert(response.reason); 
 } 
 }, 
 error : function(x, e) { 
 // alert("error", x); 
 }, 
 complete : function(x) { 
 // alert("call complete"); 
 } 
 }); 
 return false; 
} 
function appendUtil(panel, requestdata, ajaxurl, printfunction, ajaxasync) { 
 if (isEmpty(ajaxasync)) { 
 ajaxasync = false; 
 } 
 $.ajax({ 
 type : 'POST', 
 url : ajaxurl, 
 data : requestdata, 
 cache : false, 
 dataType : "json", 
 async : ajaxasync, 
 success : function(response) { 
 if (response.code) { 
 if (panel != null && panel.length > 0) { 
  if (printfunction != null) 
  $(panel).append(printfunction(response.response)); 
 } 
 return true; 
 } else { 
 // alert(response.reason); 
 } 
 }, 
 error : function(x, e) { 
 // alert("error", x); 
 }, 
 complete : function(x) { 
 // alert("call complete"); 
 } 
 }); 
 return false; 
} 
 
function ajaxUtilAsync(requestdata, ajaxurl, succFunction, failFunction) { 
 $.ajax({ 
 url : ajaxurl, 
 type : "POST", 
 dataType : "json", 
 cache : false, 
 data : requestdata, 
 async : true, 
 success : function(response) { 
 if (typeof response.code == "number") { 
 if (response.code > 0) { 
  if (succFunction != null) 
  succFunction(response.response); 
 } else { 
  if (failFunction != null) 
  failFunction(response.response); 
 } 
 } else { 
 if (response.result) { 
  if (succFunction != null) 
  succFunction(response.response); 
 } else { 
  if (failFunction != null) 
  failFunction(response.response); 
 } 
 } 
 }, 
 error : function(x, e) { 
 // alert("error", x); 
 }, 
 complete : function(x) { 
 } 
 }); 
 return false; 
} 
 
function ajaxUtil(requestdata, ajaxurl, succFunction, failFunction){ 
 $.ajax({ 
 url: ajaxurl, 
 type: "POST", 
 dataType: "json", 
 cache:false, 
 data: requestdata, 
 async: false, 
 success: function(response) { 
 if (typeof response.code == "number"){ 
 if (response.code > 0){ 
  if (succFunction != null) 
  succFunction(response.response); 
 } else { 
  if (failFunction != null) 
  failFunction(response.response); 
 } 
 } else { 
 if (response.result){ 
  if (succFunction != null) 
  succFunction(response.response); 
 } else { 
  if (failFunction != null) 
  failFunction(response.response); 
 } 
 } 
 }, 
 error: function(x, e) { 
 //alert("error", x); 
 }, 
 complete: function(x) { 
 } 
 }); 
 return false; 
} 
function loadSelection(panel, requestdata, ajaxurl, itemName){ 
 ajaxUtil(requestdata, ajaxurl, function(response){ 
 var list = response.list; 
 for (var i = 0;i<list.length;i++){ 
 $(panel).append("<option value=&#39;"+list[i][itemName]+"&#39;>"+list[i][itemName]+"</option>"); 
 } 
 }, null); 
} 
function ajaxSubmitRefresh(formId) { 
 var hideForm = $(formId); 
 var options = { 
 dataType : "json", 
 beforeSubmit : function() { 
 }, 
 success : function(result) { 
 if (result.result){ 
 showMsg("提交成功"); 
 } else { 
 alert("提交失败！"); 
 } 
 }, 
 error : function(result) { 
 alert("提交失败！"); 
 } 
 }; 
 hideForm.ajaxSubmit(options); 
} 
function ajaxSubmitWithJump(formId, nextPage) { 
 var hideForm = $(formId); 
 var options = { 
 dataType : "json", 
 beforeSubmit : function() { 
 }, 
 success : function(result) { 
 if (result.result){ 
 alert("提交成功"); 
 window.location.href = nextPage; 
 } else { 
 alert("提交失败！"); 
 } 
 }, 
 error : function(result) { 
 alert("提交失败！"); 
 } 
 }; 
 hideForm.ajaxSubmit(options); 
} 
function refresh(){ 
 window.location.href = window.location.href; 
} 
function goback(){ 
 history.go(-1); 
} 
function urlparameter(paras){ 
 var url = location.href; 
 var paraString = url.substring(url.indexOf("?")+1,url.length).split("&"); 
 var paraObj = {}; 
 for (var i=0; j=paraString[i]; i++){ 
 paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=")+1,j.length); 
 } 
 var returnValue = paraObj[paras.toLowerCase()]; 
 if(typeof(returnValue)=="undefined"){ 
 return ""; 
 }else{ 
 return returnValue; 
 } 
} 
String.prototype.endWith=function(str){ 
 if(str==null||str==""||this.length==0||str.length>this.length) 
 return false; 
 if(this.substring(this.length-str.length)==str) 
 return true; 
 else 
 return false; 
 return true; 
 }; 
 
 String.prototype.startWith=function(str){ 
 if(str==null||str==""||this.length==0||str.length>this.length) 
 return false; 
 if(this.substr(0,str.length)==str) 
 return true; 
 else 
 return false; 
 return true; 
 }; 
 
 
function getFileUrl(sourceId) { 
 var url = ""; 
 if (navigator.userAgent.indexOf("MSIE")>=1) { // IE 
 url = document.getElementById(sourceId).value; 
 } else if(navigator.userAgent.indexOf("Firefox")>0) { // Firefox 
 url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); 
 } else if(navigator.userAgent.indexOf("Chrome")>0) { // Chrome 
 url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); 
 } 
 return url; 
} 
 
function preImg(sourceId, targetId) { 
 var url = getFileUrl(sourceId); 
 var imgPre = document.getElementById(targetId); 
 imgPre.src = url; 
} 
 
function initWX(){ 
 $.ajax({ 
 url:mainpath+&#39;/wechatjs.do&#39;, 
 type:&#39;POST&#39;, 
 dataType:&#39;json&#39;, 
 async: false, 
 data: {url:location.href.split(&#39;#&#39;)[0]}, 
 success:function(result){ 
 console.log(result); 
 var data=result[&#39;response&#39;][&#39;map&#39;]; 
 if(result[&#39;code&#39;]==1){ 
 wx.config({ 
  debug: false, 
  appId:data[&#39;appId&#39;], 
  timestamp:data[&#39;timestamp&#39;], 
  nonceStr:data[&#39;nonceStr&#39;], 
  signature:data[&#39;signature&#39;], 
  jsApiList: [&#39;onMenuShareTimeline&#39;,&#39;onMenuShareAppMessage&#39;,&#39;getLocation&#39;, &#39;onMenuShareQQ&#39;, &#39;onMenuShareWeibo&#39;] 
 }); 
 }else{ 
 alert("fail to get code"); 
 window.alert(&#39;fail&#39;); 
 }; 
 } 
 }); 
} 
var EARTH_RADIUS = 6378137.0; //单位M 
var PI = Math.PI; 
 
function getRad(d){ 
 return d*PI/180.0; 
} 
function getGreatCircleDistance(lat1,lng1,lat2,lng2){ 
 var radLat1 = getRad(lat1); 
 var radLat2 = getRad(lat2); 
 
 var a = radLat1 - radLat2; 
 var b = getRad(lng1) - getRad(lng2); 
 
 var s = 2*Math.asin(Math.sqrt(Math.pow(Math.sin(a/2),2) + Math.cos(radLat1)*Math.cos(radLat2)*Math.pow(Math.sin(b/2),2))); 
 s = s*EARTH_RADIUS; 
 s = Math.round(s*10000)/10000.0; 
 s = Math.round(s); 
 return s; 
} 
//对Date的扩展，将 Date 转化为指定格式的String 
//月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符， 
//年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字) 
//例子： 
//(new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 
//(new Date()).Format("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18 
Date.prototype.format = function(fmt) 
{ //author: meizz 
var o = { 
 "M+" : this.getMonth()+1,  //月份 
 "d+" : this.getDate(),  //日 
 "h+" : this.getHours(),  //小时 
 "m+" : this.getMinutes(),  //分 
 "s+" : this.getSeconds(),  //秒 
 "q+" : Math.floor((this.getMonth()+3)/3), //季度 
 "S" : this.getMilliseconds() //毫秒 
}; 
if(/(y+)/.test(fmt)) 
 fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length)); 
for(var k in o) 
 if(new RegExp("("+ k +")").test(fmt)) 
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length))); 
return fmt; 
}; 
 
//判断为空 
function isEmpty(src){ 
 if(("undefined" == typeof src) || (src == null) || ($.trim(src) == "") ){ 
 return true; 
 } 
 return false; 
} 
 
//判断不为空 
function notEmpty(src){ 
 return !isEmpty(src); 
} 
 
//微信页面授权 snsapi_base方式 
function wecharauto2burl(url) { 
 return "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + appid 
 + "&redirect_uri=" + encodeURIComponent(url) 
 + "&response_type=code&scope=snsapi_base&state=xybank#wechat_redirect"; 
} 
 
//页面授权针对snsapi_base方式授权的url 
function wecharauto2baseurl(url) { 
 return wecharauto2burl(urlpre+url); 
} 
 
//页面授权针对snsapi_userinfo方式授权的url 
function wecharauto2userinfourl(url) { 
 return "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + appid 
 + "&redirect_uri=" + encodeURIComponent(urlpre+url) 
 + "&response_type=code&scope=snsapi_userinfo&state=xybank#wechat_redirect"; 
} 
 
 
//微信分享 此方法需放在wx.ready中 
function shareWeChat(title, link, imgUrl, desc){ 
 wx.onMenuShareTimeline({ 
 title: title, // 分享标题 
 link: link, // 分享链接 
 imgUrl: imgUrl, // 分享图标 
 success: function () { 
 // 用户确认分享后执行的回调函数 
 }, 
 cancel: function () { 
 // 用户取消分享后执行的回调函数 
 } 
 }); 
 
 //分享给朋友 
 wx.onMenuShareAppMessage({ 
 title: title, // 分享标题 
 desc: desc, // 分享描述 
 link: link, // 分享链接 
 imgUrl: imgUrl, // 分享图标 
 type: &#39;link&#39;, // 分享类型,music、video或link，不填默认为link 
 dataUrl: &#39;&#39;, // 如果type是music或video，则要提供数据链接，默认为空 
 success: function () { 
 // 用户确认分享后执行的回调函数 
 }, 
 cancel: function () { 
 // 用户取消分享后执行的回调函数 
 } 
 }); 
 
 //分享到QQ 
 wx.onMenuShareQQ({ 
 title: title, // 分享标题 
 desc: desc, // 分享描述 
 link: link, // 分享链接 
 imgUrl: imgUrl, // 分享图标 
 success: function () { 
 // 用户确认分享后执行的回调函数 
 }, 
 cancel: function () { 
 // 用户取消分享后执行的回调函数 
 } 
 }); 
 
 //分享到腾讯微博 
 wx.onMenuShareWeibo({ 
 title: title, // 分享标题 
 desc: desc, // 分享描述 
 link: link, // 分享链接 
 imgUrl: imgUrl, // 分享图标 
 success: function () { 
 // 用户确认分享后执行的回调函数 
 }, 
 cancel: function () { 
 // 用户取消分享后执行的回调函数 
 
 } 
 }); 
}

五、支付结果

公众号调起效果如下：

支付成功后，微信服务器得到后台的Notify通知后，会发微信说明支付信息，支付凭证如下：

后续会全部更新微信app支付，微信支付退款，微信企业向个人付款，支付宝相关支付。而且会上传全部代码到csdn资源下载处，尽请关注。

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