1. add music parser

parser/src/main/java/cn/qaiu/util/URLUtil.java

@@ -0,0 +1,40 @@
+package cn.qaiu.util;
+
+import java.net.URL;
+import java.net.URLDecoder;
+import java.util.HashMap;
+import java.util.Map;
+
+public class URLUtil {
+
+    private Map<String, String> queryParams = new HashMap<>();
+
+    // 构造函数，传入URL并解析参数
+    private URLUtil(String url) {
+        try {
+            URL parsedUrl = new URL(url);
+            String query = parsedUrl.getQuery();
+            if (query != null) {
+                String[] pairs = query.split("&");
+                for (String pair : pairs) {
+                    String[] keyValue = pair.split("=");
+                    String key = URLDecoder.decode(keyValue[0], "UTF-8");
+                    String value = keyValue.length > 1 ? URLDecoder.decode(keyValue[1], "UTF-8") : "";
+                    queryParams.put(key, value);
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    // 静态方法，用于创建UrlUtil实例
+    public static URLUtil from(String url) {
+        return new URLUtil(url);
+    }
+
+    // 获取参数的方法
+    public String getParam(String param) {
+        return queryParams.get(param);
+    }
+}