生成课程链接参数实现可支持多个参数

fs-service/src/main/java/com/fs/course/service/impl/FsCourseLinkServiceImpl.java

@@ -773,17 +773,35 @@ public class FsCourseLinkServiceImpl implements IFsCourseLinkService
         CloseableHttpClient client = null;
         try {
             client = HttpClients.createDefault();
-            String[] split = linkStr.split("\\?.*?=");
-            String key = linkStr.replaceAll(".*\\?(.*?)=.*", "$1");
-            if (split.length == 2 && split[0].length() > 0 && split[1].length() > 0) {
-                //处理页面路径
-                String pageUrl = split[0];
-                if (pageUrl.startsWith("/")) {
-                    pageUrl = pageUrl.substring(1);
+            int queryIndex = linkStr.indexOf("?");
+            if (queryIndex == -1 || queryIndex == linkStr.length() - 1) {
+                return "链接格式错误，缺少参数";
+            }
+            String pageUrl = linkStr.substring(0, queryIndex);
+            String queryString = linkStr.substring(queryIndex + 1);
+            if (pageUrl.startsWith("/")) {
+                pageUrl = pageUrl.substring(1);
+            }
+            String[] paramPairs = queryString.split("&");
+            StringBuilder encodedQuery = new StringBuilder();
+            for (int i = 0; i < paramPairs.length; i++) {
+                String pair = paramPairs[i];
+                int equalIndex = pair.indexOf("=");
+                if (equalIndex > 0 && equalIndex < pair.length() - 1) {
+                    String key = pair.substring(0, equalIndex);
+                    String value = pair.substring(equalIndex + 1);
+                    if (encodedQuery.length() > 0) {
+                        encodedQuery.append("&");
+                    }
+                    encodedQuery.append(key).append("=").append(URLEncoder.encode(value, StandardCharsets.UTF_8.toString()));
+                } else if (equalIndex == -1) {
+                    if (encodedQuery.length() > 0) {
+                        encodedQuery.append("&");
+                    }
+                    encodedQuery.append(pair);
                 }
-                //处理参数
-                String query = split[1];
-                query = key + "=" + URLEncoder.encode(query, StandardCharsets.UTF_8.toString());
+            }
+            String query = encodedQuery.toString();
 //                String json = configService.selectConfigByKey("course.config");
 //                CourseConfig config = JSON.parseObject(json, CourseConfig.class);
 //                String miniprogramAppid = config.getMiniprogramAppid();
@@ -824,9 +842,7 @@ public class FsCourseLinkServiceImpl implements IFsCourseLinkService
                 if(null != jsonObject && !jsonObject.isEmpty() && jsonObject.containsKey("url_link")){
                     return jsonObject.getString("url_link");
                 }
-            } else {
                 return "页面链接错误，获取失败";
-            }
 
         } catch (WxErrorException e) {
             throw new RuntimeException(e);
@@ -835,7 +851,6 @@ public class FsCourseLinkServiceImpl implements IFsCourseLinkService
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-        return "";
     }
 
     @Override