98 lines
3.3 KiB
Java
98 lines
3.3 KiB
Java
package com.ruoyi.erp.request;
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import com.alibaba.fastjson2.JSONObject;
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import com.ruoyi.common.utils.http.HttpUtils;
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import lombok.Setter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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/**
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* ERP请求基类（支持开放平台签名规范）
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*/
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public abstract class ERPRequestBase {
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private static final Logger log = LoggerFactory.getLogger(ERPRequestBase.class);
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protected String url;
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protected String sign;
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protected IERPAccount erpAccount;
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@Setter
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protected JSONObject requestBody;
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protected long timestamp; // 统一时间戳字段
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public ERPRequestBase(String url, IERPAccount erpAccount) {
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this.url = url;
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this.erpAccount = erpAccount;
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}
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/**
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* 生成MD5签名（兼容官方示例）
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* @param str 需要签名的原始字符串
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* @return 十六进制小写MD5值
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*/
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public String genMd5(String str) {
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try {
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MessageDigest md = MessageDigest.getInstance("MD5");
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byte[] digest = md.digest(str.getBytes(StandardCharsets.UTF_8));
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StringBuilder result = new StringBuilder();
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for (byte b : digest) {
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result.append(String.format("%02x", b & 0xff)); // 保证小写十六进制
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}
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return result.toString();
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} catch (NoSuchAlgorithmException e) {
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log.error("MD5算法初始化失败", e);
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throw new RuntimeException("MD5算法初始化失败", e);
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}
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}
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/**
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* 生成请求签名（与官方示例保持完全一致的拼接逻辑）
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*/
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public void genSign(long timestamp) {
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this.timestamp = timestamp;
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String jsonStr = getRequestBody(); // 使用getRequestBody()方法
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String data = erpAccount.getApiKey() + "," + genMd5(jsonStr) + "," + timestamp + "," + erpAccount.getApiKeySecret();
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this.sign = genMd5(data);
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}
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/**
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* 获取带签名的请求URL
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* @return 包含签名参数的完整URL
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*/
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public String getRequestUrl() {
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return url + "?appid=" + erpAccount.getApiKey() + "×tamp=" + timestamp + "&sign=" + sign;
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}
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/**
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* 获取请求体内容（空时返回空对象）
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* @return JSON字符串格式的请求体
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*/
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public String getRequestBody() {
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return requestBody != null ? requestBody.toJSONString() : "{}";
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}
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/**
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* 执行HTTP请求并获取响应
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* @return 接口返回的原始JSON字符串
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*/
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public String getResponseBody() {
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try {
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long timestamp = System.currentTimeMillis() / 1000;
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genSign(timestamp);
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String requestUrl = getRequestUrl();
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String body = getRequestBody();
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System.out.println("请求地址: " + requestUrl);
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System.out.println("请求体: " + body);
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// 统一通过自定义 SSL 通道发起请求，提升与开放平台的 TLS 兼容性
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return HttpUtils.sendSSLPost(requestUrl, body, org.springframework.http.MediaType.APPLICATION_JSON_VALUE);
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} catch (Exception e) {
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log.error("HTTP请求失败: {}", e.getMessage(), e);
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throw new RuntimeException("ERP接口调用失败: " + e.getMessage(), e);
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}
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}
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}
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