From 7f302004e78ca5220a4f88a7fab843964a18739a Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期一, 17 三月 2025 18:35:17 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/dev-2.0' into dev-2.0
---
springcloud_k8s_panzhihuazhihuishequ/service_sangeshenbian/src/main/java/com/panzhihua/sangeshenbian/utils/SignatureUtil.java | 99 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 99 insertions(+), 0 deletions(-)
diff --git a/springcloud_k8s_panzhihuazhihuishequ/service_sangeshenbian/src/main/java/com/panzhihua/sangeshenbian/utils/SignatureUtil.java b/springcloud_k8s_panzhihuazhihuishequ/service_sangeshenbian/src/main/java/com/panzhihua/sangeshenbian/utils/SignatureUtil.java
new file mode 100644
index 0000000..aa67827
--- /dev/null
+++ b/springcloud_k8s_panzhihuazhihuishequ/service_sangeshenbian/src/main/java/com/panzhihua/sangeshenbian/utils/SignatureUtil.java
@@ -0,0 +1,99 @@
+package com.panzhihua.sangeshenbian.utils;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+public class SignatureUtil {
+
+ private static final String ACCESS_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";
+ private static final String JSAPI_TICKET_URL = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=%s&type=jsapi";
+
+ public static String getAccessToken(String appId, String appSecret) throws Exception {
+ String url = String.format(ACCESS_TOKEN_URL, appId, appSecret);
+ URL obj = new URL(url);
+ HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+ con.setRequestMethod("GET");
+
+ BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+ String inputLine;
+ StringBuffer response = new StringBuffer();
+
+ while ((inputLine = in.readLine()) != null) {
+ response.append(inputLine);
+ }
+ in.close();
+
+ Map<String, String> result = parseJson(response.toString());
+ return result.get("access_token");
+ }
+
+
+ public static String getJsApiTicket(String accessToken) throws Exception {
+ String url = String.format(JSAPI_TICKET_URL, accessToken);
+ URL obj = new URL(url);
+ HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+ con.setRequestMethod("GET");
+
+ BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+ String inputLine;
+ StringBuffer response = new StringBuffer();
+
+ while ((inputLine = in.readLine()) != null) {
+ response.append(inputLine);
+ }
+ in.close();
+
+ Map<String, String> result = parseJson(response.toString());
+ return result.get("ticket");
+ }
+
+ private static Map<String, String> parseJson(String json) {
+ // 简单的JSON解析，实际项目中可以使用更强大的库如Jackson或Gson
+ Map<String, String> map = new HashMap<>();
+ String[] keyValuePairs = json.replace("{", "").replace("}", "").split(",");
+ for (String pair : keyValuePairs) {
+ String[] entry = pair.split(":");
+ map.put(entry[0].trim().replace("\"", ""), entry[1].trim().replace("\"", ""));
+ }
+ return map;
+ }
+
+
+ public static String getSignature(String jsapiTicket, String nonceStr, String timestamp, String url) throws Exception {
+ Map<String, String> params = new HashMap<>();
+ params.put("jsapi_ticket", jsapiTicket);
+ params.put("noncestr", nonceStr);
+ params.put("timestamp", timestamp);
+ params.put("url", url);
+
+ String[] keys = params.keySet().toArray(new String[0]);
+ Arrays.sort(keys);
+
+ StringBuilder sb = new StringBuilder();
+ for (String key : keys) {
+ sb.append(key).append("=").append(params.get(key)).append("&");
+ }
+ sb.deleteCharAt(sb.length() - 1); // Remove the last '&'
+
+ MessageDigest md = MessageDigest.getInstance("SHA-1");
+ byte[] hashBytes = md.digest(sb.toString().getBytes(StandardCharsets.UTF_8));
+
+ StringBuilder hexString = new StringBuilder();
+ for (byte b : hashBytes) {
+ String hex = Integer.toHexString(0xff & b);
+ if (hex.length() == 1) {
+ hexString.append('0');
+ }
+ hexString.append(hex);
+ }
+
+ return hexString.toString();
+ }
+}
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