首先來看看官方支付文檔的一些相關(guān)信息?
1、用戶在商戶側(cè)完成下單,使用微信支付進(jìn)行支付
2、由商戶后臺(tái)向微信支付發(fā)起下單請(qǐng)求(調(diào)用統(tǒng)一下單接口)注:交易類型trade_type=MWEB
3、統(tǒng)一下單接口返回支付相關(guān)參數(shù)給商戶后臺(tái),如支付跳轉(zhuǎn)url(參數(shù)名“mweb_url”),商戶通過mweb_url調(diào)起微信支付中間頁
4、中間頁進(jìn)行H5權(quán)限的校驗(yàn),安全性檢查(此處常見錯(cuò)誤請(qǐng)見下文)
5、如支付成功,商戶后臺(tái)會(huì)接收到微信側(cè)的異步通知
6、用戶在微信支付收銀臺(tái)完成支付或取消支付,返回商戶頁面(默認(rèn)為返回支付發(fā)起頁面)
7、商戶在展示頁面,引導(dǎo)用戶主動(dòng)發(fā)起支付結(jié)果的查詢
8,9、商戶后臺(tái)判斷是否接到收微信側(cè)的支付結(jié)果通知,如沒有,后臺(tái)調(diào)用我們的訂單查詢接口確認(rèn)訂單狀態(tài)
10、展示最終的訂單支付結(jié)果給用戶
常見問題
一、回調(diào)頁面
正常流程用戶支付完成后會(huì)返回至發(fā)起支付的頁面,如需返回至指定頁面,則可以在MWEB_URL后拼接上redirect_url參數(shù),來指定回調(diào)頁面。
如,您希望用戶支付完成后跳轉(zhuǎn)至https://www.wechatpay.com.cn,則可以做如下處理:
假設(shè)您通過統(tǒng)一下單接口獲到的MWEB_URL= https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx20161110163838f231619da20804912345&package=1037687096
?則拼接后的地址為MWEB_URL= https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx20161110163838f231619da20804912345&package=1037687096&redirect_url=https%3A%2F%2Fwww.wechatpay.com.cn
??1.需對(duì)redirect_url進(jìn)行urlencode處理
??2.由于設(shè)置redirect_url后,回跳指定頁面的操作可能發(fā)生在:1,微信支付中間頁調(diào)起微信收銀臺(tái)后超過5秒 2,用戶點(diǎn)擊“取消支付“或支付完成后點(diǎn)“完成”按鈕。因此無法保證頁面回跳時(shí),支付流程已結(jié)束,所以商戶設(shè)置的redirect_url地址不能自動(dòng)執(zhí)行查單操作,應(yīng)讓用戶去點(diǎn)擊按鈕觸發(fā)查單操作?;靥撁嬲故拘Ч蓞⒖枷聢D
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二、其它常見錯(cuò)誤
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序號(hào) | 問題 | 錯(cuò)誤描述 | 解決方法 |
---|---|---|---|
1 | ![]() |
網(wǎng)絡(luò)環(huán)境未能通過安全驗(yàn)證,請(qǐng)稍后再試 |
1. 商戶側(cè)統(tǒng)一下單傳的終端IP(spbill_create_ip)與用戶實(shí)際調(diào)起支付時(shí)微信側(cè)檢測(cè)到的終端IP不一致導(dǎo)致的,這個(gè)問題一般是商戶在統(tǒng)一下單時(shí)沒有傳遞正確的終端IP到spbill_create_ip導(dǎo)致,詳細(xì)可參見客戶端ip獲取指引 ? 2. 統(tǒng)一下單與調(diào)起支付時(shí)的網(wǎng)絡(luò)有變動(dòng),如統(tǒng)一下單時(shí)是WIFI網(wǎng)絡(luò),下單成功后切換成4G網(wǎng)絡(luò)再調(diào)起支付,這樣可能會(huì)引發(fā)我們的正常攔截,請(qǐng)保持網(wǎng)絡(luò)環(huán)境一致的情況下重新發(fā)起支付流程 |
2 | ![]() |
商家參數(shù)格式有誤,請(qǐng)聯(lián)系商家解決 | 1. 當(dāng)前調(diào)起H5支付的referer為空導(dǎo)致,一般是因?yàn)橹苯釉L問頁面調(diào)起H5支付,請(qǐng)按正常流程進(jìn)行頁面跳轉(zhuǎn)后發(fā)起支付,或自行抓包確認(rèn)referer值是否為空 ?2. 如果是APP里調(diào)起H5支付,需要在webview中手動(dòng)設(shè)置referer,如( |
3 | ![]() |
商家存在未配置的參數(shù),請(qǐng)聯(lián)系商家解決 | 1,當(dāng)前調(diào)起H5支付的域名(微信側(cè)從referer中獲?。┡c申請(qǐng)H5支付時(shí)提交的授權(quán)域名不一致,如需添加或修改授權(quán)域名,請(qǐng)登陸商戶號(hào)對(duì)應(yīng)的商戶平臺(tái)--"產(chǎn)品中心"--"開發(fā)配置"自行配置 2,如果設(shè)置了回跳地址redirect_url,請(qǐng)確認(rèn)設(shè)置的回跳地址的域名與申請(qǐng)H5支付時(shí)提交的授權(quán)域名是否一致 |
4 | ![]() |
支付請(qǐng)求已失效,請(qǐng)重新發(fā)起支付 | 統(tǒng)一下單返回的MWEB_URL生成后,有效期為5分鐘,如超時(shí)請(qǐng)重新生成MWEB_URL后再發(fā)起支付 |
6 | ![]() |
請(qǐng)?jiān)谖⑿磐獯蜷_訂單,進(jìn)行支付 | H5支付不能直接在微信客戶端內(nèi)調(diào)起,請(qǐng)?jiān)谕獠繛g覽器調(diào)起 |
7 | ![]() |
IOS:簽名驗(yàn)證失敗 |
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下面的我實(shí)際開發(fā)的代碼??
1:WxPayController? 控制器前端請(qǐng)求傳遞相應(yīng)的參數(shù) 調(diào)用微信統(tǒng)一下單接口 生成訂單消息和調(diào)用微信支付?
package com.xinjue.web.smallprogram;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import javax.annotation.Resource;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.xinjue.common.Globals;
import com.xinjue.common.JsonData;
import com.xinjue.meta.Tb_OrderReport;
import com.xinjue.meta.Tb_OrderReport_log;
import com.xinjue.meta.Tb_purchase;
import com.xinjue.meta.Users;
import com.xinjue.service.Tb_OrderReportService;
import com.xinjue.util.DateUtils;
import com.xinjue.util.IpUtils;
import com.xinjue.util.PayUtils;
import com.xinjue.util.StringUtils;
import com.xinjue.util.WxPayConfig;
import com.xinjue.web.BaseController;
/**
* @author tqf
* @version 創(chuàng)建時(shí)間:2019-4-10 上午10:54:46
* 類說明 微信小程序支付 H5支付
*/
@Controller
public class WxPayController extends BaseController{
@Resource Tb_OrderReportService orderReportService;
/**
* @Description: 發(fā)起微信支付 統(tǒng)一下單 返回調(diào)起支付需要的參數(shù)值
* @param request
*/
@RequestMapping(value="/wxPay",method = RequestMethod.POST)
public void wxPay(HttpServletRequest request,HttpServletResponse response)throws IOException{
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html");
Users users = (Users) request.getSession().getAttribute(Globals.SSESION_USER);
JsonData jsonData = new JsonData();
PrintWriter out = null;
if(users == null){
response.getWriter().write("{\"return_msg\":\"請(qǐng)先登錄\"}");
return;
}
try{
out = response.getWriter();
String openid = request.getParameter("openid"); //"oirgo491UCy5mBcyv7ldQe2RyDtE"
String total_fee = request.getParameter("total_fee"); //支付金額
String new_total_fee = "1";//String.valueOf((Integer.parseInt(total_fee)*100)); //金額是以分為單位的 乘以100換算成元 正式區(qū)放開
String from = request.getParameter("from");// 來源 0--H5 1--小程序
String paytype = request.getParameter("paytype"); //支付類型 0--微信 1--支付寶
String title = request.getParameter("title");// 購買標(biāo)題
String type = request.getParameter("type"); //購買類型 0--精簡(jiǎn)版 1--專業(yè)版
//商品名稱 微信支付訂單展示使用
String body_name = "0".equals(type)?"精簡(jiǎn)版":"專業(yè)版";
String body = "購買報(bào)告-"+body_name;//request.getParameter("body");//"購買報(bào)告-"+body_name;//"測(cè)試支付商品名稱";
//生成的隨機(jī)字符串
String nonce_str = StringUtils.getRandomStringByLength(32);
//獲取客戶端的ip地址
String spbill_create_ip = IpUtils.getIpAddr(request); //request.getRemoteHost();
//商戶訂單號(hào)
String out_trade_no = "";
String random = String.valueOf(Math.random()).substring(2,8);
out_trade_no =DateUtils.dateToString(new Date(), "yyyyMMddhhmmssSSS")+random;
out_trade_no = out_trade_no.substring(out_trade_no.length()-16, out_trade_no.length());
//組裝參數(shù),用戶生成統(tǒng)一下單接口的簽名
Map<String, String> packageParams = new HashMap<String, String>();
packageParams.put("mch_id", WxPayConfig.mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("body", body);
packageParams.put("out_trade_no", out_trade_no);//商戶訂單號(hào)
packageParams.put("total_fee", new_total_fee);//支付金額,這邊需要轉(zhuǎn)成字符串類型,否則后面的簽名會(huì)失敗
packageParams.put("spbill_create_ip", spbill_create_ip);
packageParams.put("notify_url", WxPayConfig.notify_url);//支付成功后的回調(diào)地址
if("0".equals(from)){ //H5參數(shù)
packageParams.put("appid", WxPayConfig.GZH_appid);
packageParams.put("trade_type", WxPayConfig.GZH_TRADETYPE);
packageParams.put("scene_info", WxPayConfig.scene_info);
}else{ //小程序
packageParams.put("openid", openid);
packageParams.put("appid", WxPayConfig.appid);
packageParams.put("trade_type", WxPayConfig.TRADETYPE);//支付方式 trade_type=JSAPI,openid此參數(shù)必傳,用戶在商戶appid下的唯一標(biāo)識(shí)
}
packageParams = PayUtils.paraFilter(packageParams);
String prestr = PayUtils.createLinkString(packageParams); // 把數(shù)組所有元素,按照“參數(shù)=參數(shù)值”的模式用“&”字符拼接成字符串
//MD5運(yùn)算生成簽名,這里是第一次簽名,用于調(diào)用統(tǒng)一下單接口
String mysign = PayUtils.sign(prestr, WxPayConfig.key, "utf-8").toUpperCase();
String xmlString ="";
if("0".equals(from)){ //H5請(qǐng)求參數(shù)
xmlString += "<scene_info>"+WxPayConfig.scene_info+"</scene_info>"
+ "<trade_type>" + WxPayConfig.GZH_TRADETYPE + "</trade_type>"
+ "<appid>" + WxPayConfig.GZH_appid + "</appid>";
}else{//小程序
xmlString+= "<trade_type>" + WxPayConfig.TRADETYPE + "</trade_type>"
+ "<openid>" + openid + "</openid>"
+ "<appid>" + WxPayConfig.appid + "</appid>";
}
//拼接統(tǒng)一下單接口使用的xml數(shù)據(jù),要將上一步生成的簽名一起拼接進(jìn)去
String xml =
"<xml>" + "<body><![CDATA[" + body + "]]></body>"
+ "<mch_id>" + WxPayConfig.mch_id + "</mch_id>"
+ "<nonce_str>" + nonce_str + "</nonce_str>"
+ "<notify_url>" + WxPayConfig.notify_url + "</notify_url>"
+ "<out_trade_no>" + out_trade_no + "</out_trade_no>"
+ "<spbill_create_ip>" + spbill_create_ip + "</spbill_create_ip>"
+ "<total_fee>"+new_total_fee+"</total_fee>"
+ xmlString
+ "<sign>" + mysign + "</sign>"
+ "</xml>";
/*packageParams.put("sign", mysign);
genXml(packageParams);*//**/
System.out.println("調(diào)試模式_統(tǒng)一下單接口 請(qǐng)求XML數(shù)據(jù):" + xml);
//調(diào)用統(tǒng)一下單接口,并接受返回的結(jié)果
String result = PayUtils.httpRequest(WxPayConfig.pay_url, "POST", xml);
System.out.println("調(diào)試模式_統(tǒng)一下單接口 返回XML數(shù)據(jù):" + result);
// 將解析結(jié)果存儲(chǔ)在HashMap中
Map map = PayUtils.doXMLParse(result);
String return_code = (String) map.get("return_code");//返回狀態(tài)碼
String return_msg = (String) map.get("return_msg");
Map<String, Object> mapParams = new HashMap<String, Object>();//返回給小程序端需要的參數(shù)
mapParams.put("return_code", return_code);
mapParams.put("return_msg", return_msg);
if(return_code.equals("SUCCESS")){ //生成自己的訂單信息
//生成訂單記錄
Tb_OrderReport orderReport = new Tb_OrderReport();
orderReport.setAddTime(new Date());
orderReport.setFrom(Integer.parseInt(from));
orderReport.setOut_trade_no(out_trade_no);
orderReport.setPaytype(Integer.parseInt(paytype));
orderReport.setStatus(0);
orderReport.setTitle(title);
orderReport.setTotal_fee(new Double(total_fee));
orderReport.setType(Integer.parseInt(type));
orderReport.setUserId(users.getUserId());
orderReportService.insert(orderReport);
//小程序端使用 H5下單和小程序下單 都會(huì)返回這些參數(shù)
String prepay_id = (String) map.get("prepay_id");//返回的預(yù)付單信息 小程序端使用
mapParams.put("nonceStr", nonce_str);
mapParams.put("package", "prepay_id=" + prepay_id);
Long timeStamp = new Date().getTime();//System.currentTimeMillis() / 1000;
mapParams.put("timeStamp", timeStamp + "");//這邊要將返回的時(shí)間戳轉(zhuǎn)化成字符串,不然小程序端調(diào)用wx.requestPayment方法會(huì)報(bào)簽名錯(cuò)誤
//拼接簽名需要的參數(shù)
String stringSignTemp = "appId=" + WxPayConfig.appid + "&nonceStr=" + nonce_str + "&package=prepay_id=" + prepay_id+ "&signType=MD5&timeStamp=" + timeStamp;
//再次簽名,這個(gè)簽名用于小程序端調(diào)用wx.requesetPayment方法
String paySign = PayUtils.sign(stringSignTemp, WxPayConfig.key, "utf-8").toUpperCase();
mapParams.put("paySign", paySign);
mapParams.put("appid", WxPayConfig.appid);
//H5端支付 特有參數(shù) 支付跳轉(zhuǎn)地址
if("0".equals(from)){
String mweb_url = (String) map.get("mweb_url"); //支付跳轉(zhuǎn)鏈接 H5端使用
String redirect_url = "http://m.xinjuenet.cn/presentation"; //支付完成回調(diào)跳轉(zhuǎn)地址 自定義
mweb_url = mweb_url+"&redirect_url="+URLEncoder.encode(redirect_url,"UTF-8");
mapParams.put("mweb_url", mweb_url);
}
jsonData = new JsonData(Globals.SUCCESS, "", mapParams);
}else{
jsonData = new JsonData(Globals.SYSTEM_BUSY,"",mapParams);
}
}catch(Exception e){
e.printStackTrace();
}
out.write(jsonData.toJsonString());
}
/**
* @Description:微信小程序支付回調(diào)通知地址
* @return
* @throws Exception
*/
@RequestMapping(value="/wxNotify",method = RequestMethod.GET)
public void wxNotify(HttpServletRequest request,HttpServletResponse response) throws Exception{
BufferedReader br = new BufferedReader(new InputStreamReader((ServletInputStream)request.getInputStream()));
String line = null;
StringBuilder sb = new StringBuilder();
while((line = br.readLine()) != null){
sb.append(line);
}
br.close();
//sb為微信返回的xml
String notityXml = sb.toString();
String resXml = "";
System.out.println("接收到的報(bào)文:" + notityXml);
Map map = PayUtils.doXMLParse(notityXml);
String returnCode = (String) map.get("return_code");
String total_fee = (String) map.get("total_fee"); //支付金額
String trade_state = (String) map.get("trade_state"); //支付狀態(tài)
if("SUCCESS".equals(returnCode)){
//驗(yàn)證簽名是否正確
Map<String, String> validParams = PayUtils.paraFilter(map); //回調(diào)驗(yàn)簽時(shí)需要去除sign和空值參數(shù)
String validStr = PayUtils.createLinkString(validParams);//把數(shù)組所有元素,按照“參數(shù)=參數(shù)值”的模式用“&”字符拼接成字符串
String sign = PayUtils.sign(validStr, WxPayConfig.key, "utf-8").toUpperCase();//拼裝生成服務(wù)器端驗(yàn)證的簽名
//根據(jù)微信官網(wǎng)的介紹,此處不僅對(duì)回調(diào)的參數(shù)進(jìn)行驗(yàn)簽,還需要對(duì)返回的金額與系統(tǒng)訂單的金額進(jìn)行比對(duì)等
//商戶系統(tǒng)對(duì)于支付結(jié)果通知的內(nèi)容一定要做簽名驗(yàn)證,并校驗(yàn)返回的訂單金額是否與商戶側(cè)的訂單金額一致,防止數(shù)據(jù)泄漏導(dǎo)致出現(xiàn)“假通知”,造成資金損失
if(sign.equals(map.get("sign"))){
/**此處添加自己的業(yè)務(wù)邏輯代碼start**/
if(trade_state != null && "SUCCESS".equals(trade_state)){
String out_trade_no = (String) map.get("out_trade_no"); //返回的商戶訂單號(hào) 根據(jù)這個(gè)改變訂單支付狀態(tài)
String time_end = (String) map.get("time_end"); //支付完成時(shí)間
String result = map.toString(); //返回的所有字段保存支付日志文件
//時(shí)間格式化
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddhhmmss");
Date date = (Date) sdf.parse(time_end);
SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time =sdf2.format(date);
//1:更新訂單狀態(tài)和支付時(shí)間
Tb_OrderReport orderReport = new Tb_OrderReport();
orderReport.setOut_trade_no(out_trade_no);
orderReport.setTime_end(DateUtils.stringToDate(time, "yyyy-MM-dd HH:mm:ss"));
orderReport.setStatus(1);
orderReportService.updateStatus(orderReport);
//2:添加支付回調(diào)記錄
Tb_OrderReport_log orderReport_log = new Tb_OrderReport_log();
orderReport_log.setAddTime(new Date());
orderReport_log.setType(0);
orderReport_log.setMessage(result);
orderReport_log.setOut_trade_no(out_trade_no);
orderReportService.insertOrderReportlog(orderReport_log);
//3生成唯一購買記錄地址 用戶通過地址訪問購買之后的完整版本報(bào)告
String key = StringUtils.getRandomStringByLength(32);
Tb_OrderReport orderReport2 = new Tb_OrderReport();
//orderReport2.setUserId(users.getUserId());
orderReport2.setOut_trade_no(out_trade_no);
orderReport2 = orderReportService.selectByOut_trade_no(orderReport2);
String linkUrl = "";
if(orderReport2.getType() == 0){
linkUrl = "presentationStreamlining";//精簡(jiǎn)版
}else{
linkUrl = "presentationmajor"; //專業(yè)版
}
Tb_purchase purchase = new Tb_purchase();
purchase.setUserId(orderReport2.getUserId());
purchase.setKey(key);
purchase.setAddTime(new Date());
purchase.setType(orderReport2.getType());
purchase.setLinkUrl(linkUrl);
purchase.setOut_trade_no(out_trade_no);
orderReportService.insert_purchase(purchase);
/**此處添加自己的業(yè)務(wù)邏輯代碼end**/
//通知微信服務(wù)器已經(jīng)支付成功
resXml = "<xml>" + "<return_code><![CDATA[SUCCESS]]></return_code>"
+ "<return_msg><![CDATA[OK]]></return_msg>" + "</xml> ";
}
}
}else{
resXml = "<xml>" + "<return_code><![CDATA[FAIL]]></return_code>"
+ "<return_msg><![CDATA[報(bào)文為空]]></return_msg>" + "</xml> ";
}
System.out.println(resXml);
System.out.println("微信支付回調(diào)數(shù)據(jù)結(jié)束");
BufferedOutputStream out = new BufferedOutputStream(
response.getOutputStream());
out.write(resXml.getBytes());
out.flush();
out.close();
}
/**
* 生成xml
* @return
*/
public static String genXml(Map<String,String> map)throws Exception{
StringBuffer sb=new StringBuffer();
sb.append("<xml>");
for(String k:map.keySet()){
Object value=map.get(k);
sb.append("<"+k+">"+value+"</"+k+">");
}
sb.append("</xml>");
return sb.toString();//new String(sb.toString().getBytes("ISO8859-1"),"UTF-8");
}
/**
* 跳轉(zhuǎn)到支付頁面
* @param request
* @param response
* @return
* @throws IOException
*/
@RequestMapping(value="/wxpaypage",method = RequestMethod.GET)
public String wxpaypage(HttpServletRequest request,HttpServletResponse response)throws IOException{
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
Users users = (Users) request.getSession().getAttribute(Globals.SSESION_USER);
if(users == null){
try {
response.sendRedirect("login");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
String title = request.getParameter("title");
String money = request.getParameter("money");
String type = request.getParameter("type");
String type_name = type.equals("0")?"精簡(jiǎn)版":"專業(yè)版";
request.setAttribute("title", title);
request.setAttribute("money", money);
request.setAttribute("type", type);
request.setAttribute("type_name", type_name);
return "wxpaypage";
}
}
2:IpUtils? 獲取實(shí)際的IP地址工具類?
package com.xinjue.util;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.servlet.http.HttpServletRequest;
/**
* @author tqf
* @version 創(chuàng)建時(shí)間:2019-4-10 上午11:32:52
* 類說明
*/
public class IpUtils {
/**
* IpUtils工具類方法
* 獲取真實(shí)的ip地址
* @param request
* @return
*/
public static String getIpAddr(HttpServletRequest request) {
InetAddress addr = null;
try {
addr = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
return request.getRemoteAddr();
}
System.out.println(addr.getHostAddress());
return addr.getHostAddress();
}
}
3:PayUtils? 有請(qǐng)求接口方法? 簽名 xml解析等..方法?
package com.xinjue.util;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.commons.codec.digest.DigestUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class PayUtils
{
public static String sign(String text, String key, String input_charset)
{
text = text + "&key=" + key;
return DigestUtils.md5Hex(getContentBytes(text, input_charset));
}
public static boolean verify(String text, String sign, String key, String input_charset)
{
text = text + key;
String mysign = DigestUtils.md5Hex(getContentBytes(text, input_charset));
if (mysign.equals(sign)) {
return true;
}
return false;
}
public static byte[] getContentBytes(String content, String charset)
{
if ((charset == null) || ("".equals(charset))) {
return content.getBytes();
}
try {
return content.getBytes(charset);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("MD5簽名過程中出現(xiàn)錯(cuò)誤,指定的編碼集不對(duì),您目前指定的編碼集是:" + charset);
}
}
private static boolean isValidChar(char ch) {
if (((ch >= '0') && (ch <= '9')) || ((ch >= 'A') && (ch <= 'Z')) || ((ch >= 'a') && (ch <= 'z')))
return true;
if (((ch >= '一') && (ch <= '翿')) || ((ch >= 32768) && (ch <= 38191)))
return true;
return false;
}
public static Map<String, String> paraFilter(Map<String, String> sArray)
{
Map<String, String> result = new HashMap();
if ((sArray == null) || (sArray.size() <= 0)) {
return result;
}
for (String key : sArray.keySet()) {
String value = (String)sArray.get(key);
if ((value != null) && (!value.equals("")) && (!key.equalsIgnoreCase("sign")) &&
(!key.equalsIgnoreCase("sign_type")))
{
result.put(key, value); }
}
return result;
}
public static String createLinkString(Map<String, String> params)
{
List<String> keys = new ArrayList(params.keySet());
Collections.sort(keys);
String prestr = "";
for (int i = 0; i < keys.size(); i++) {
String key = (String)keys.get(i);
String value = (String)params.get(key);
if (i == keys.size() - 1) {
prestr = prestr + key + "=" + value;
} else {
prestr = prestr + key + "=" + value + "&";
}
}
return prestr;
}
public static String httpRequest(String requestUrl, String requestMethod, String outputStr)
{
StringBuffer buffer = null;
try {
URL url = new URL(requestUrl);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod(requestMethod);
conn.setDoOutput(true);
conn.setDoInput(true);
conn.connect();
if (outputStr != null) {
OutputStream os = conn.getOutputStream();
os.write(outputStr.getBytes("utf-8"));
os.close();
}
InputStream is = conn.getInputStream();
InputStreamReader isr = new InputStreamReader(is, "utf-8");
BufferedReader br = new BufferedReader(isr);
buffer = new StringBuffer();
String line = null;
while ((line = br.readLine()) != null) {
buffer.append(line);
}
br.close();
} catch (Exception e) {
e.printStackTrace();
}
return buffer.toString();
}
public static String urlEncodeUTF8(String source) { String result = source;
try {
result = URLEncoder.encode(source, "UTF-8");
}
catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
public static Map doXMLParse(String strxml)
throws Exception
{
if ((strxml == null) || ("".equals(strxml))) {
return null;
}
try
{
Map<String, String> data = new HashMap();
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
documentBuilderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
documentBuilderFactory.setFeature("http://javax.xml.XMLConstants/feature/secure-processing", true);
documentBuilderFactory.setXIncludeAware(false);
documentBuilderFactory.setExpandEntityReferences(false);
InputStream stream = new ByteArrayInputStream(strxml.getBytes("UTF-8"));
Document doc = documentBuilderFactory.newDocumentBuilder().parse(stream);
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getDocumentElement().getChildNodes();
for (int idx = 0; idx < nodeList.getLength(); idx++) {
Node node = nodeList.item(idx);
if (node.getNodeType() == 1) {
org.w3c.dom.Element element = (org.w3c.dom.Element)node;
data.put(element.getNodeName(), element.getTextContent());
}
}
try {
stream.close();
}
catch (Exception localException1) {}
return data;
} catch (Exception ex) {
throw ex;
}
}
public static String getChildrenText(List children)
{
StringBuffer sb = new StringBuffer();
if (!children.isEmpty()) {
Iterator it = children.iterator();
while (it.hasNext()) {
org.jdom.Element e = (org.jdom.Element)it.next();
String name = e.getName();
String value = e.getTextNormalize();
List list = e.getChildren();
sb.append("<" + name + ">");
if (!list.isEmpty()) {
sb.append(getChildrenText(list));
}
sb.append(value);
sb.append("</" + name + ">");
}
}
return sb.toString();
}
public static InputStream String2Inputstream(String str) { return new ByteArrayInputStream(str.getBytes()); }
}
4:WxPayConfig? 微信支付請(qǐng)求的一些基本參數(shù) 靜態(tài)的 實(shí)體類?文章來源:http://www.zghlxwxcb.cn/news/detail-711217.html
package com.xinjue.util;
/**
* @author tqf
* @version 創(chuàng)建時(shí)間:2019-4-10 上午11:13:33
* 類說明 小程序微信支付的配置文件
*/
public class WxPayConfig {
//小程序appid
public static final String appid = "";
// 公眾號(hào)ID
public static final String GZH_appid = "";
//微信支付的商戶id
public static final String mch_id = "";
//微信支付的商戶密鑰
public static final String key = "";
//支付成功后的服務(wù)器回調(diào)url
//public static final String notify_url = ""; //正式區(qū)
public static final String notify_url = ""; //測(cè)試區(qū)
//簽名方式,固定值
public static final String SIGNTYPE = "MD5";
//交易類型,小程序支付的固定值為JSAPI
public static final String TRADETYPE = "JSAPI";
//交易類型 wap H5端
public static final String GZH_TRADETYPE = "MWEB";
//微信統(tǒng)一下單接口地址
public static final String pay_url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
// H5端 場(chǎng)景信息 scene_info
public static final String scene_info = "{\"h5_info\": {\"type\":\"WAP\",\"wap_url\": \"\",\"wap_name\": \"心覺咨詢\"}}";
}
測(cè)試的話 需要在商戶的H5支付設(shè)置文章來源地址http://www.zghlxwxcb.cn/news/detail-711217.html
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