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

三、向微信服务器端下订单

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

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 paraMap = new HashMap();

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 map = doXMLParse(xmlStr);

prepay_id = (String) map.get("prepay_id");

}

Map payMap = new HashMap();

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 paraMap = new HashMap();

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 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 payMap = new HashMap();

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 = "1";

response.setCharacterEncoding("UTF-8");

response.setContentType("text/xml");

ServletInputStream in = request.getInputStream();

String xmlMsg = Tools.inputStream2String(in);

Map map = doXMLParse(xmlMsg);

String return_code = map.get("return_code");

String return_msg = map.get("return_msg");

map = new HashMap();

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 map = new HashMap();

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 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 parm, boolean isAddCDATA) {

StringBuffer strbuff = new StringBuffer();

if (parm != null ) {

for (Entry entry : parm.entrySet()) {

strbuff.append("");

if (isAddCDATA) {

strbuff.append();

}else {

strbuff.append(entry.getValue());

}

strbuff.append("");

}

}

return strbuff.append().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 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 doXMLParse(String xml)

throws XmlPullParserException, IOException {

InputStream inputStream = new ByteArrayInputStream(xml.getBytes());

Map 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();

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 params, Map 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 keys = params.keySet();

for (String key : keys) {

builder.addQueryParameter(key, params.get(key));

}

}

if (headers != null && !headers.isEmpty()) {

Set keys = headers.keySet();

for (String key : keys) {

builder.addHeader(key, params.get(key));

}

}

Future 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 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 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 keys = params.keySet();

for (String key : keys) {

builder.addParameter(key, params.get(key));

}

}

Future 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 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 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 params, boolean encode) throws UnsupportedEncodingException {

Set 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 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 paras = new HashMap();

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 paras = new HashMap();

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 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 paras = new HashMap();

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 params = new ArrayList();

params.add(token);

params.add(timestamp);

params.add(nonce);

Collections.sort(params,new Comparator() {

@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

String path = request.getContextPath();

String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";

long t = System.currentTimeMillis();

%>

微信公众号支付

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";

}

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

String path = request.getContextPath();

String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";

long t = System.currentTimeMillis();

%>

微信公众号支付

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(

'getBrandWCPayRequest', {

"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('WeixinJSBridgeReady', onBridgeReady, false);

}else if (document.attachEvent){

document.attachEvent('WeixinJSBridgeReady', onBridgeReady);

document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);

}

}else{

onBridgeReady();

}

}

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

$(panel).append(""+list[i][itemName]+"");

}

}, 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+'/wechatjs.do',

type:'POST',

dataType:'json',

async: false,

data: {url:location.href.split('#')[0]},

success:function(result){

console.log(result);

var data=result['response']['map'];

if(result['code']==1){

wx.config({

debug: false,

appId:data['appId'],

timestamp:data['timestamp'],

nonceStr:data['nonceStr'],

signature:data['signature'],

jsApiList: ['onMenuShareTimeline','onMenuShareAppMessage','getLocation', 'onMenuShareQQ', 'onMenuShareWeibo']

});

}else{

alert("fail to get code");

window.alert('fail');

};

}

});

}

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: 'link', // 分享类型,music、video或link，不填默认为link

dataUrl: '', // 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。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。