增加场景工具方法，根据datasource获取oss原始资源路径

4dkankan-utils-model/src/main/java/com/fdkankan/model/utils/SceneUtil.java

@@ -56,5 +56,20 @@ public class SceneUtil {
         return imageList;
     }
 
+    /**
+     * 根据dataSource获取原始资源目录
+     * @param dataSource
+     * @return
+     */
+    public static String getHomePath(String dataSource) {
+        String homePath = ConstantFilePath.OSS_PREFIX
+                + dataSource.replace(ConstantFilePath.BUILD_MODEL_PATH, "")
+                .replace(ConstantFilePath.BUILD_MODEL_LASER_PATH, "");
+        if (!homePath.endsWith("/")) {
+            homePath = homePath.concat("/");
+        }
+        return homePath;
+    }
+
 
 }