新增微信支付工具类

mcwl-admin/pom.xml

@@ -16,6 +16,14 @@
     </description>
 
     <dependencies>
+
+        <!-- 微信支付依赖 -->
+        <dependency>
+            <groupId>com.github.wechatpay-apiv3</groupId>
+            <artifactId>wechatpay-apache-httpclient</artifactId>
+            <version>0.4.7</version>
+        </dependency>
+
         <dependency>
             <groupId>com.alipay.sdk</groupId>
             <artifactId>alipay-easysdk</artifactId>

mcwl-admin/src/main/java/com/mcwl/web/controller/pay/AliPay/AliPayIntegration.java

@@ -1,4 +1,4 @@
-package com.mcwl.web.controller.pay;
+package com.mcwl.web.controller.pay.AliPay;
 
 import com.alibaba.fastjson.JSONObject;
 import com.alipay.easysdk.factory.Factory;

mcwl-admin/src/main/java/com/mcwl/web/controller/pay/AliPay/OrderTradeController.java

@@ -1,4 +1,4 @@
-package com.mcwl.web.controller.pay;
+package com.mcwl.web.controller.pay.AliPay;
 
 import cn.hutool.extra.qrcode.QrCodeUtil;
 import com.alipay.easysdk.factory.Factory;

mcwl-admin/src/main/java/com/mcwl/web/controller/pay/WxPay/config/DirectConnection.java

@@ -0,0 +1,33 @@
+package com.mcwl.web.controller.pay.WxPay.config;
+
+/**
+ * 微信支付配置
+ * @author DaiZibo
+ * @date 2025/1/6
+ * @apiNote
+ */
+
+public interface DirectConnection {
+
+    //支付成功后的回调地址
+    String NOTIFY_URL = "";
+
+    //商户号
+    String MCH_ID = "";
+
+    //商户证书序列号
+    String MCH_SERIAL_NO = "";
+
+    //V3密钥
+    String API_3KEY = "";
+
+    //小程序或者公众号的ApId
+    String APP_ID = "";
+
+    // 商户证书序列号对应的证书秘钥
+    String privateKey = "MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDOsZnx5Nh4qK7O" +
+            "vzbDOQu5UMtSdoZWyqOC+gFNVAB7aPAzQwgN7OAUt7G8synPRdovQ/l116dZ0ZiX" +
+            "XQX3Le8/o5szRH6LxpqcpFMaZg2N/HOydyTMaHI0wnZIc9BXR8aaXl7uVQnydF40" +
+            "FoWicge6vTCXOyjirTpS2PGKy9+hu0vx7GbX1NUDl2hNXkH54pdWn5eof1fnbh/V" +
+            "45q/OS7d9qnpYfs1ff+0nA==";
+}

mcwl-admin/src/main/java/com/mcwl/web/controller/pay/WxPay/util/AesUtil.java

@@ -0,0 +1,49 @@
+package com.mcwl.web.controller.pay.WxPay.util;
+
+import javax.crypto.Cipher;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.GCMParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+
+/**
+ * 回调签名工具类
+ *
+ * @author DaiZibo
+ * @date 2025/1/6
+ * @apiNote
+ */
+
+public class AesUtil {
+
+    static final int KEY_LENGTH_BYTE = 32;
+    static final int TAG_LENGTH_BIT = 128;
+    private final byte[] aesKey;
+
+    public AesUtil(byte[] key) {
+        if (key.length != KEY_LENGTH_BYTE) {
+            throw new IllegalArgumentException("无效的ApiV3Key，长度必须为32个字节");
+        }
+        this.aesKey = key;
+    }
+
+    public String decryptToString(byte[] associatedData, byte[] nonce, String ciphertext) throws GeneralSecurityException, IOException {
+        try {
+            Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
+            SecretKeySpec key = new SecretKeySpec(aesKey, "AES");
+            GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce);
+            cipher.init(Cipher.DECRYPT_MODE, key, spec);
+            cipher.updateAAD(associatedData);
+            return new String(cipher.doFinal(Base64.getDecoder().decode(ciphertext)), "utf-8");
+        } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
+            throw new IllegalStateException(e);
+        } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+}

mcwl-admin/src/main/java/com/mcwl/web/controller/pay/WxPay/util/PayUtil.java

@@ -0,0 +1,144 @@
+package com.mcwl.web.controller.pay.WxPay.util;
+
+import cn.hutool.core.util.RandomUtil;
+import com.alibaba.fastjson2.JSONObject;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.mcwl.web.controller.pay.WxPay.config.DirectConnection;
+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.exception.HttpCodeException;
+import com.wechat.pay.contrib.apache.httpclient.exception.NotFoundException;
+import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
+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 java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.security.*;
+import java.util.Base64;
+
+/**
+ * 微信支付工具类
+ *
+ * @author DaiZibo
+ * @date 2025/1/6
+ * @apiNote
+ */
+
+public class PayUtil {
+
+    private CloseableHttpClient httpClient;
+    private CertificatesManager certificatesManager;
+    private Verifier verifier;
+    private PrivateKey merchantPrivateKey;
+
+    {
+        try {
+            merchantPrivateKey = PemUtil.loadPrivateKey(new ByteArrayInputStream(DirectConnection.privateKey.getBytes("utf-8")));
+            // 获取证书管理器实例
+            certificatesManager = CertificatesManager.getInstance();
+            // 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(DirectConnection.MCH_ID, new WechatPay2Credentials(DirectConnection.MCH_ID,
+                            new PrivateKeySigner(DirectConnection.MCH_SERIAL_NO, merchantPrivateKey)),
+                    DirectConnection.API_3KEY.getBytes(StandardCharsets.UTF_8));
+            // 从证书管理器中获取verifier
+            verifier = certificatesManager.getVerifier(DirectConnection.MCH_ID);
+            httpClient = WechatPayHttpClientBuilder.create()
+                    .withMerchant(DirectConnection.MCH_ID, DirectConnection.MCH_SERIAL_NO, merchantPrivateKey)
+                    .withValidator(new WechatPay2Validator(certificatesManager.getVerifier(DirectConnection.MCH_ID)))
+                    .build();
+        } catch (IOException | GeneralSecurityException | HttpCodeException | NotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 统一下单，获取到 prepay_id，然后获取签名。
+     */
+    public String requestwxChatPay(String orderSn, int total, String description, String openid) throws Exception {
+        HttpPost httpPost = new HttpPost("https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi");
+        httpPost.addHeader("Accept", "application/json");
+        httpPost.addHeader("Content-type", "application/json; charset=utf-8");
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        ObjectMapper objectMapper = new ObjectMapper();
+        //组合请求参数JSON格式
+        ObjectNode rootNode = objectMapper.createObjectNode();
+        rootNode.put("mchid", DirectConnection.MCH_ID)
+                .put("appid", DirectConnection.APP_ID)
+                .put("notify_url", DirectConnection.NOTIFY_URL + "returnNotify")
+                .put("description", description)
+                .put("out_trade_no", orderSn);
+        rootNode.putObject("amount")
+                // total：金额，以分为单位，假如是10块钱，那就要写 1000
+                .put("total", total)
+                .put("currency", "CNY");
+        rootNode.putObject("payer")
+                // openid：用户在该小程序或者公众号下的openid
+                .put("openid", openid);
+        try {
+            objectMapper.writeValue(bos, rootNode);
+            httpPost.setEntity(new StringEntity(bos.toString("UTF-8"), "UTF-8"));
+            //获取预支付ID
+            CloseableHttpResponse response = httpClient.execute(httpPost);
+            String bodyAsString = EntityUtils.toString(response.getEntity());
+            //微信成功响应
+            int statusCode = response.getStatusLine().getStatusCode();
+            if (statusCode == 200) {
+                //时间戳
+                String timestamp = System.currentTimeMillis() / 1000 + "";
+                //随机字符串
+                String nonce = RandomUtil.randomString(32);
+                StringBuilder builder = new StringBuilder();
+                // Appid
+                builder.append(DirectConnection.APP_ID).append("\n");
+                // 时间戳
+                builder.append(timestamp).append("\n");
+                // 随机字符串
+                builder.append(nonce).append("\n");
+                JsonNode jsonNode = objectMapper.readTree(bodyAsString);
+                // 预支付会话ID
+                builder.append("prepay_id=").append(jsonNode.get("prepay_id").textValue()).append("\n");
+                //获取签名
+                String sign = this.sign(builder.toString().getBytes("utf-8"), merchantPrivateKey);
+                JSONObject jsonMap = new JSONObject();
+                jsonMap.put("noncestr", nonce);
+                jsonMap.put("timestamp", timestamp);
+                jsonMap.put("prepayid", jsonNode.get("prepay_id").textValue());
+                jsonMap.put("sign", sign);
+                jsonMap.put("appid", DirectConnection.APP_ID);
+                jsonMap.put("partnerid", DirectConnection.MCH_ID);
+                return jsonMap.toJSONString();//响应签名数据，前端拿着响应数据调起微信SDK
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 计算签名
+     */
+    private String sign(byte[] message, PrivateKey yourPrivateKey) {
+        try {
+            Signature sign = Signature.getInstance("SHA256withRSA");
+            sign.initSign(yourPrivateKey);
+            sign.update(message);
+            return Base64.getEncoder().encodeToString(sign.sign());
+        } catch (NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+            e.printStackTrace();
+        }
+        return "";
+    }
+
+}

mcwl-admin/src/main/resources/application.yml

@@ -95,7 +95,7 @@ token:
   # 令牌密钥
   secret: abcdefghijklmnopqrstuvwxyz
   # 令牌有效期（默认30分钟）
-  expireTime: 30
+  expireTime: 1440
 
 # MyBatis Plus配置
 mybatis-plus:
@@ -183,5 +183,5 @@ mall:
       appId: 9021000140696171
       privateKey: 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
       publicKey: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqKWaJol63OuxavPwcqLNahXzxrDDqlqrsFDkeG3j5F+15qUJvBxmKiirAVWXeBkDFf/6cdBlI4gvkfNCE4TUq59nGfpRGEx0Gv5WhPfD1RJMPmjOhbCtuBkQDGPOSKF42zxL+B0o9lmV/z02hPrE5a8D8rarZkmEGFu96o10oMcg6o75u0JSDH+hBgA+B42zDghpLrEyMoljJDt5cQwnatStmKpHlhSZoKnzTwWN4q8YAMy/8J8yvy/RMz6jwntacbN8Rm9d1bM7BDCAU62CjhGZKLu14HrFRX/bDSlnL6Ud+J9Hhnr6sYSCG+Oqu3hu2zpeqRFVj/vKPqOsIZ8fUwIDAQAB
-      notifyUrl: http://susan.net.cn/notify
+      notifyUrl: http://zppqfa.natappfree.cc/web/pay/notify
       gatewayUrl: https://openapi-sandbox.dl.alipaydev.com/gateway.do