测试maven

ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ModelsServiceImpl.java

@@ -1,5 +1,6 @@
 package com.ruoyi.platform.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
@@ -1214,4 +1215,10 @@ public class ModelsServiceImpl implements ModelsService {
         }
         modelMetaVo.setMetrics(result);
     }
+
+    void test(){
+        String str = "Hello, Hutool!";
+        System.out.println(StrUtil.isEmpty(str)); // 判断字符串是否为空
+        System.out.println(StrUtil.sub(str, 0, 5));
+    }
 }