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描述：微信支付

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This commit is contained in:
SelfRidicule 2024-03-19 10:28:55 +08:00
parent 5ea57ed52d
commit c1296add2e
12 changed files with 730 additions and 7 deletions
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6
.gitignore vendored
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@ -1,12 +1,12 @@
# Compiled class file
*.class
*.iml
# Log file
*.log
*.idea
# BlueJ files
*.ctxt
*/target
# Mobile Tools for Java (J2ME)
.mtj.tmp/

7
ics-admin/pom.xml
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@ -60,6 +60,13 @@
<version>3.11.0</version>
</dependency>
<!-- 微信支付 -->
<dependency>
<groupId>com.github.wechatpay-apiv3</groupId>
<artifactId>wechatpay-apache-httpclient</artifactId>
<version>0.4.2</version>
</dependency>
</dependencies>
</project>

87
ics-admin/src/main/java/com/ics/admin/controller/meeting/WxPayController.java Normal file
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package com.ics.admin.controller.meeting;
import com.ics.admin.domain.meeting.CustomerTicket;
import com.ics.admin.pay.wx.WxPayCallbackUtil;
import com.ics.admin.pay.wx.WxPayCommon;
import com.ics.admin.pay.wx.dto.WxChatBasePayDto;
import com.ics.admin.pay.wx.dto.WxChatPayDto;
import com.ics.admin.service.meeting.ICustomerTicketService;
import com.ics.common.core.controller.BaseController;
import com.ics.common.core.domain.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
/**
* 微信支付
*/
@RestController
@RequestMapping("/meeting/wxPay")
public class WxPayController extends BaseController {
@Autowired
ICustomerTicketService customerTicketService;
@Autowired
WxPayCommon wxPayCommon;
@Autowired
WxPayCallbackUtil wxPayCallbackUtil;
/**
* 下载
*/
@PostMapping("placeOrder")
public R placeOrder(@RequestBody WxChatBasePayDto wxChatBasePayDto) {
String prepayId = wxPayCommon.wxJsApiPay(wxChatBasePayDto);
WxChatPayDto wxChatPayDto = wxPayCommon.wxPayCall(prepayId);
return R.data(wxChatPayDto);
}
/**
* 订单支付后回调
*/
@PostMapping("orderCallBack")
public HashMap orderCallBack(HttpServletRequest request, HttpServletResponse response) {
HashMap<String, String> returnParam = new HashMap<>();
try {
Map<String, String> parseParam = wxPayCallbackUtil.wxChatPayCallback(request, response);
// 交易状态
// SUCCESS：支付成功
// REFUND：转入退款
// NOTPAY：未支付
// CLOSED：已关闭
// REVOKED：已撤销（付款码支付）
// USERPAYING：用户支付中（付款码支付）
// PAYERROR：支付失败(其他原因，如银行返回失败)
String trade_state = parseParam.get("trade_state");
// 商户订单号
String out_trade_no = parseParam.get("out_trade_no");
// 微信订单号
String transaction_id = parseParam.get("transaction_id");
//
//支付成功
if (trade_state.equals("SUCCESS")){
//编写支付成功后逻辑
}
//响应微信
returnParam.put("code", "SUCCESS");
returnParam.put("message", "成功");
} catch (Exception e) {
e.printStackTrace();
}
return returnParam;
}
}

157
ics-admin/src/main/java/com/ics/admin/pay/wx/WxPayCallbackUtil.java Normal file
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package com.ics.admin.pay.wx;
import com.alibaba.fastjson.JSONObject;
import com.wechat.pay.contrib.apache.httpclient.util.AesUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* 微信支付回调工具类
*/
@Component
public class WxPayCallbackUtil {
@Autowired
WxPayConfig wxPayConfig;
/**
* 获取回调数据
* @param request
* @param response
* @return
*/
public Map<String, String> wxChatPayCallback(HttpServletRequest request, HttpServletResponse response) {
//获取报文
String body = getRequestBody(request);
//随机串
String nonceStr = request.getHeader("Wechatpay-Nonce");
//微信传递过来的签名
String signature = request.getHeader("Wechatpay-Signature");
//证书序列号（微信平台）
String serialNo = request.getHeader("Wechatpay-Serial");
//时间戳
String timestamp = request.getHeader("Wechatpay-Timestamp");
//构造签名串 应答时间戳\n,应答随机串\n,应答报文主体\n
String signStr = Stream.of(timestamp, nonceStr, body).collect(Collectors.joining("\n", "", "\n"));
Map<String, String> map = new HashMap<>(2);
try {
//验证签名是否通过
boolean result = verifiedSign(serialNo, signStr, signature);
if(result){
//解密数据
String plainBody = decryptBody(body);
return convertWechatPayMsgToMap(plainBody);
}
} catch (Exception e) {
e.printStackTrace();
}
return map;
}
/**
* 转换body为map
* @param plainBody
* @return
*/
public Map<String,String> convertWechatPayMsgToMap(String plainBody){
Map<String,String> paramsMap = new HashMap<>(2);
JSONObject jsonObject = JSONObject.parseObject(plainBody);
//商户订单号
paramsMap.put("out_trade_no",jsonObject.getString("out_trade_no"));
//交易状态
paramsMap.put("trade_state",jsonObject.getString("trade_state"));
// 微信订单号
paramsMap.put("transaction_id",jsonObject.getString("transaction_id"));
//附加数据
paramsMap.put("attach",jsonObject.getString("attach"));
if (jsonObject.getJSONObject("attach") != null && !jsonObject.getJSONObject("attach").equals("")){
paramsMap.put("account_no",jsonObject.getJSONObject("attach").getString("accountNo"));
}
return paramsMap;
}
/**
* 解密body的密文
*
* "resource": {
* "original_type": "transaction",
* "algorithm": "AEAD_AES_256_GCM",
* "ciphertext": "",
* "associated_data": "",
* "nonce": ""
* }
*
* @param body
* @return
*/
public String decryptBody(String body) throws UnsupportedEncodingException, GeneralSecurityException {
AesUtil aesUtil = new AesUtil(wxPayConfig.getKey().getBytes("utf-8"));
JSONObject object = JSONObject.parseObject(body);
JSONObject resource = object.getJSONObject("resource");
String ciphertext = resource.getString("ciphertext");
String associatedData = resource.getString("associated_data");
String nonce = resource.getString("nonce");
return aesUtil.decryptToString(associatedData.getBytes("utf-8"),nonce.getBytes("utf-8"),ciphertext);
}
/**
* 验证签名
*
* @param serialNo 微信平台-证书序列号
* @param signStr 自己组装的签名串
* @param signature 微信返回的签名
* @return
* @throws UnsupportedEncodingException
*/
public boolean verifiedSign(String serialNo, String signStr, String signature) throws UnsupportedEncodingException {
return wxPayConfig.getVerifier().verify(serialNo, signStr.getBytes("utf-8"), signature);
}
/**
* 读取请求数据流
*
* @param request
* @return
*/
public String getRequestBody(HttpServletRequest request) {
StringBuffer sb = new StringBuffer();
try (ServletInputStream inputStream = request.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
) {
String line;
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
}
return sb.toString();
}
}

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ics-admin/src/main/java/com/ics/admin/pay/wx/WxPayCommon.java Normal file
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package com.ics.admin.pay.wx;
import com.google.gson.Gson;
import com.ics.admin.pay.wx.constant.WxApiConstants;
import com.ics.admin.pay.wx.dto.WxChatBasePayDto;
import com.ics.admin.pay.wx.dto.WxChatPayDto;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.io.FileInputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.security.Signature;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
@Component
public class WxPayCommon {
@Autowired
WxPayConfig wxPayConfig;
/**
* 封装基础通用请求数据
*
* @param basePayData 微信支付基础请求数据
* @return 封装后的map对象
*/
public Map<String, Object> getBasePayParams(WxChatBasePayDto basePayData) {
Map<String, Object> paramsMap = new HashMap<>();
paramsMap.put("appid", wxPayConfig.getAppid());
paramsMap.put("mchid", wxPayConfig.getMchId());
// 如果商品名称过长则截取
String title = basePayData.getDescription().length() > 120 ? basePayData.getDescription().substring(0, 120) : basePayData.getDescription();
paramsMap.put("description", title);
paramsMap.put("out_trade_no", basePayData.getOrderId());
paramsMap.put("notify_url", wxPayConfig.getNotifyDomain().concat(basePayData.getNotify()));
Map<String, Integer> amountMap = new HashMap<>();
amountMap.put("total", basePayData.getPrice().multiply(new BigDecimal("100")).intValue());
paramsMap.put("amount", amountMap);
return paramsMap;
}
/**
* 获取请求对象（Post请求）
*
* @param paramsMap 请求参数
* @return Post请求对象
*/
public HttpPost getHttpPost(String url, Map<String, Object> paramsMap) {
// 1.设置请求地址
HttpPost httpPost = new HttpPost(wxPayConfig.getDomain().concat(url));
// 2.设置请求数据
Gson gson = new Gson();
String jsonParams = gson.toJson(paramsMap);
// 3.设置请求信息
StringEntity entity = new StringEntity(jsonParams, "utf-8");
entity.setContentType("application/json");
httpPost.setEntity(entity);
httpPost.setHeader("Accept", "application/json");
return httpPost;
}
/**
* 解析响应数据
*
* @param response 发送请求成功后，返回的数据
* @return 微信返回的参数
*/
public HashMap<String, String> resolverResponse(CloseableHttpResponse response) {
try {
// 1.获取请求码
int statusCode = response.getStatusLine().getStatusCode();
// 2.获取返回值 String 格式
final String bodyAsString = EntityUtils.toString(response.getEntity());
Gson gson = new Gson();
if (statusCode == 200) {
// 3.如果请求成功则解析成Map对象返回
HashMap<String, String> resultMap = gson.fromJson(bodyAsString, HashMap.class);
return resultMap;
} else {
if (StringUtils.isNoneBlank(bodyAsString)) {
System.out.println("微信支付请求失败，提示信息:{}" + bodyAsString);
// 4.请求码显示失败，则尝试获取提示信息
HashMap<String, String> resultMap = gson.fromJson(bodyAsString, HashMap.class);
throw new RuntimeException(resultMap.get("message"));
}
System.out.println("微信支付请求失败，未查询到原因，提示信息:{}" + response.toString());
// 其他异常，微信也没有返回数据，这就需要具体排查了
throw new IOException("request failed");
}
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e.getMessage());
} finally {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 获取签名
*
* @param nonceStr 随机数
* @param appId 微信公众号或者小程序等的appid
* @param prepay_id 预支付交易会话ID
* @param timestamp 时间戳 10位
* @return String 新签名
*/
String getSign(String nonceStr, String appId, String prepay_id, long timestamp) {
//从下往上依次生成
String message = buildMessage(appId, timestamp, nonceStr, prepay_id);
//签名
try {
return sign(message.getBytes("utf-8"));
} catch (IOException e) {
throw new RuntimeException("签名异常,请检查参数或商户私钥");
}
}
String sign(byte[] message) {
try {
//签名方式
Signature sign = Signature.getInstance("SHA256withRSA");
//私钥，通过MyPrivateKey来获取，这是个静态类可以接调用方法 ，需要的是_key.pem文件的绝对路径配上文件名
sign.initSign(PemUtil.loadPrivateKey(new FileInputStream(wxPayConfig.getPrivateKeyPath())));
sign.update(message);
return Base64.getEncoder().encodeToString(sign.sign());
} catch (Exception e) {
throw new RuntimeException("签名异常,请检查参数或商户私钥");
}
}
/**
* 按照前端签名文档规范进行排序，\n是换行
*
* @param nonceStr 随机数
* @param appId 微信公众号或者小程序等的appid
* @param prepay_id 预支付交易会话ID
* @param timestamp 时间戳 10位
* @return String 新签名
*/
String buildMessage(String appId, long timestamp, String nonceStr, String prepay_id) {
return appId + "\n"
+ timestamp + "\n"
+ nonceStr + "\n"
+ prepay_id + "\n";
}
/**
* 创建微信支付订单-jsapi方式
*
* @param basePayData 基础请求信息，商品标题、商家订单id、订单价格
* @return 微信支付二维码地址
*/
public String wxJsApiPay(WxChatBasePayDto basePayData) {
// 1.获取请求参数的Map格式
Map<String, Object> paramsMap = getBasePayParams(basePayData);
// 1.1 添加支付者信息
Map<String, String> payerMap = new HashMap();
payerMap.put("openid", basePayData.getOpenId());
paramsMap.put("payer", payerMap);
// 2.获取请求对象
HttpPost httpPost = getHttpPost(WxApiConstants.JSAPI_PAY, paramsMap);
// 3.完成签名并执行请求
CloseableHttpResponse response = null;
try {
response = wxPayConfig.getWxPayClient().execute(httpPost);
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException("微信支付请求失败");
}
// 4.解析response对象
HashMap<String, String> resultMap = resolverResponse(response);
if (resultMap != null) {
// 【预支付交易会话标识】 预支付交易会话标识。用于后续接口调用中使用，该值有效期为2小时
return resultMap.get("prepay_id");
}
return null;
}
/**
* 微信用户调用微信支付
*/
public WxChatPayDto wxPayCall(String prepayId) {
WxChatPayDto wxChatPayDto = new WxChatPayDto();
wxChatPayDto.setAppid(wxPayConfig.getAppid());
wxChatPayDto.setTimeStamp(String.valueOf(System.currentTimeMillis() / 1000));
wxChatPayDto.setNonceStr(UUID.randomUUID().toString().replaceAll("-", ""));
wxChatPayDto.setPrepayId("prepay_id=" + prepayId);
wxChatPayDto.setSignType("RSA");
wxChatPayDto.setPaySign(getSign(wxChatPayDto.getNonceStr(), wxChatPayDto.getAppid(), wxChatPayDto.getPrepayId(), Long.parseLong(wxChatPayDto.getTimeStamp())));
return wxChatPayDto;
}
}

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ics-admin/src/main/java/com/ics/admin/pay/wx/WxPayConfig.java Normal file
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package com.ics.admin.pay.wx;
import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
import com.wechat.pay.contrib.apache.httpclient.auth.Verifier;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
import com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import lombok.Data;
import org.apache.http.impl.client.CloseableHttpClient;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.nio.charset.StandardCharsets;
import java.security.PrivateKey;
@Configuration
@PropertySource("classpath:application.yml") //读取配置文件
@ConfigurationProperties(prefix = "weixin") //读取wxpay节点
@Data
/**
* 微信支付静态常量类
*/
public class WxPayConfig {
/**
* 商户号
*/
private String mchId;
/**
* 商户API证书序列号
*/
private String mchSerialNo;
/**
* 商户私钥文件
*/
private String privateKeyPath;
/**
* APIv3密钥
*/
private String key;
/**
* APPID
*/
private String appid;
/**
* 微信服务器地址
*/
private String domain;
/**
* 接收结果通知地址
*/
private String notifyDomain;
/**
* 获取商户的私钥文件
*
* @param filename 证书地址
* @return 私钥文件
*/
public PrivateKey getPrivateKey(String filename) {
try {
return PemUtil.loadPrivateKey(new FileInputStream(filename));
} catch (FileNotFoundException e) {
throw new RuntimeException("私钥文件不存在");
}
}
/**
* 获取签名验证器
*/
@Bean
public Verifier getVerifier() {
// 获取商户私钥
final PrivateKey privateKey = getPrivateKey(privateKeyPath);
// 私钥签名对象
PrivateKeySigner privateKeySigner = new PrivateKeySigner(mchSerialNo, privateKey);
// 身份认证对象
WechatPay2Credentials wechatPay2Credentials = new WechatPay2Credentials(mchId, privateKeySigner);
// 获取证书管理器实例
CertificatesManager certificatesManager = CertificatesManager.getInstance();
try {
// 向证书管理器增加需要自动更新平台证书的商户信息
certificatesManager.putMerchant(mchId, wechatPay2Credentials, key.getBytes(StandardCharsets.UTF_8));
} catch (Exception e) {
e.printStackTrace();
}
try {
return certificatesManager.getVerifier(mchId);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("获取签名验证器失败");
}
}
/**
* 获取微信支付的远程请求对象
* @return Http请求对象
*/
@Bean
public CloseableHttpClient getWxPayClient() {
// 获取签名验证器
Verifier verifier = getVerifier();
// 获取商户私钥
final PrivateKey privateKey = getPrivateKey(privateKeyPath);
WechatPayHttpClientBuilder builder = WechatPayHttpClientBuilder.create().withMerchant(mchId, mchSerialNo, privateKey)
.withValidator(new WechatPay2Validator(verifier));
return builder.build();
}
}

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ics-admin/src/main/java/com/ics/admin/pay/wx/constant/WxApiConstants.java Normal file
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@ -0,0 +1,15 @@
package com.ics.admin.pay.wx.constant;
/**
* 请求地址
*/
public class WxApiConstants {
/**
* jsApi下单
*/
public static final String JSAPI_PAY = "/v3/pay/transactions/jsapi";
}

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ics-admin/src/main/java/com/ics/admin/pay/wx/constant/WxNotifyConstants.java Normal file
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@ -0,0 +1,13 @@
package com.ics.admin.pay.wx.constant;
/**
* 微信回调地址
*/
public class WxNotifyConstants {
/**
* 订单支付通知
*/
public static final String CASE_PAY_NOTIFY = "/meeting/wxPay/orderCallBack";
}

38
ics-admin/src/main/java/com/ics/admin/pay/wx/dto/WxChatBasePayDto.java Normal file
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@ -0,0 +1,38 @@
package com.ics.admin.pay.wx.dto;
import lombok.Data;
import java.math.BigDecimal;
@Data
public class WxChatBasePayDto {
/**
* 商品描述
*/
private String description;
/**
* 商家订单号，对应 out_trade_no (32)
*/
private String orderId;
/**
* 订单金额
*/
private BigDecimal price;
/**
* 回调地址
*/
private String notify;
/**
* 支付用户的openid
*/
private String openId;
}

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ics-admin/src/main/java/com/ics/admin/pay/wx/dto/WxChatPayDto.java Normal file
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package com.ics.admin.pay.wx.dto;
import lombok.Data;
/**
* 前端微信支付所需参数
*/
@Data
public class WxChatPayDto {
/**
* 需要支付的小程序id
*/
private String appid;
/**
* 时间戳（当前的时间）
*/
private String timeStamp;
/**
* 随机字符串，不长于32位。
*/
private String nonceStr;
/**
* 小程序下单接口返回的prepay_id参数值，提交格式如：prepay_id=***
*/
private String prepayId;
/**
* 签名类型，默认为RSA，仅支持RSA。
*/
private String signType;
/**
* 签名，使用字段appId、timeStamp、nonceStr、package计算得出的签名值
*/
private String paySign;
}

15
ics-web/src/main/resources/application-dev.yml
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@ -1,7 +1,7 @@
spring:
redis:
database: 5
host: 127.0.0.1
host: 192.168.0.11
port: 6379
# password: hycxli#123
timeout: 6000ms # 连接超时时长（毫秒）
@ -17,9 +17,9 @@ spring:
druid:
# 主库数据源
master:
url: jdbc:mysql://192.168.0.50:3306/zz-meeting?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
url: jdbc:mysql://222.184.49.22:3306/dbd-meeting?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
username: root
password: boyuekeji2023
password: boyue1!Z
# 从库数据源
slave:
#从数据源开关/默认关闭
@ -124,3 +124,12 @@ mybatis-plus:
configuration:
default-enum-type-handler: com.ics.common.handlers.MybatisEnumTypeHandler
weixin:
appid: wx5582a07c1fbbcf06 # appid
mch-serial-no: 5899B7D34B161F9E24EFFCD50E95245521CA40AB # 证书序列号
private-key-path: /Users/wangqichao/cert/dbd/apiclient_key.pem # 证书路径
mch-id: 1665472343 # 商户号
key: CHANGYANGKONGGUhenanjianandianzi # APIv3密钥
domain: https://api.mch.weixin.qq.com # 微信服务器地址
notify-domain: http://222.184.49.22:9227 # 回调，自己的回调地址

2
ics-web/src/main/resources/application.yml
View File

@ -76,7 +76,7 @@ jwtp:
## 拦截路径，默认是/**
path: /**
## 排除拦截路径，默认无
exclude-path: /admin/login/slide, /business/login/slide, /login/slide,/user/check_code,/captcha/check,/captcha/get,/system/sms/send,/user/register/submit,/weixin/login,/meeting/roomItemByRoom/**,/social_user_login/login,/wx/**,/wx/login,/user/check_mobile,/user/send_mobile,/user/search_customer,/user/check_code,/user/register,/password/send_mobile,/password/forgot,/auth/login,/social_user_login/login
exclude-path: /admin/login/slide, //meeting/wxPay/**, /business/login/slide, /login/slide,/user/check_code,/captcha/check,/captcha/get,/system/sms/send,/user/register/submit,/weixin/login,/meeting/roomItemByRoom/**,/social_user_login/login,/wx/**,/wx/login,/user/check_mobile,/user/send_mobile,/user/search_customer,/user/check_code,/user/register,/password/send_mobile,/password/forgot,/auth/login,/social_user_login/login
## 单个用户最大token数，默认-1不限制
max-token: 1
## url自动对应权限方式，0 简易模式，1 RESTful模式