diff --git a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ModelsServiceImpl.java b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ModelsServiceImpl.java index a7a2aa31..b34af361 100644 --- a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ModelsServiceImpl.java +++ b/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)); + } }