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2025-08-18 01:58:23 +08:00
parent 33567109ed
commit 5e8c9614ef
71 changed files with 6864 additions and 6 deletions
--- a/ruoyi-system/src/main/java/com/ruoyi/erp/request/ERPRequestBase.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/erp/request/ERPRequestBase.java
@@ -0,0 +1,99 @@
+package com.ruoyi.erp.request;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.ruoyi.common.utils.http.HttpUtils;
+import lombok.Setter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * ERP请求基类（支持开放平台签名规范）
+ */
+public abstract class ERPRequestBase {
+    private static final Logger log = LoggerFactory.getLogger(ERPRequestBase.class);
+
+    protected String url;
+    protected String sign;
+    protected ERPAccount erpAccount;
+    @Setter
+    protected JSONObject requestBody;
+    protected long timestamp; // 统一时间戳字段
+
+    public ERPRequestBase(String url, ERPAccount erpAccount) {
+        this.url = url;
+        this.erpAccount = erpAccount;
+    }
+
+    /**
+     * 生成MD5签名（兼容官方示例）
+     * @param str 需要签名的原始字符串
+     * @return 十六进制小写MD5值
+     */
+    public String genMd5(String str) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            byte[] digest = md.digest(str.getBytes(StandardCharsets.UTF_8));
+            StringBuilder result = new StringBuilder();
+            for (byte b : digest) {
+                result.append(String.format("%02x", b & 0xff)); // 保证小写十六进制
+            }
+            return result.toString();
+        } catch (NoSuchAlgorithmException e) {
+            log.error("MD5算法初始化失败", e);
+            throw new RuntimeException("MD5算法初始化失败", e);
+        }
+    }
+
+    /**
+     * 生成请求签名（与官方示例保持完全一致的拼接逻辑）
+     */
+    public void genSign(long timestamp) {
+        this.timestamp = timestamp;
+        String jsonStr = getRequestBody(); // 使用getRequestBody()方法
+        String data = erpAccount.getApiKey() + "," + genMd5(jsonStr) + "," + timestamp + "," + erpAccount.getApiKeySecret();
+        this.sign = genMd5(data);
+    }
+    /**
+     * 获取带签名的请求URL
+     * @return 包含签名参数的完整URL
+     */
+    public String getRequestUrl() {
+        return url + "?appid=" + erpAccount.getApiKey() + "&timestamp=" + timestamp + "&sign=" + sign;
+    }
+
+    /**
+     * 获取请求体内容（空时返回空对象）
+     * @return JSON字符串格式的请求体
+     */
+    public String getRequestBody() {
+        return requestBody != null ? requestBody.toJSONString() : "{}";
+    }
+
+    /**
+     * 执行HTTP请求并获取响应
+     * @return 接口返回的原始JSON字符串
+     */
+    public String getResponseBody() {
+        try {
+            long timestamp = System.currentTimeMillis() / 1000;
+            genSign(timestamp);
+            String requestUrl = getRequestUrl();
+            String body = getRequestBody();
+
+            System.out.println("请求地址: " + requestUrl);
+            System.out.println("请求体: " + body);
+
+            if (requestBody == null) {
+                return HttpUtils.sendPost(requestUrl, body); // 保持 body 一致
+            }
+            return HttpUtils.sendJsonPost(requestUrl, body);
+        } catch (Exception e) {
+            log.error("HTTP请求失败: {}", e.getMessage(), e);
+            throw new RuntimeException("ERP接口调用失败: " + e.getMessage(), e);
+        }
+    }
+}