From 4784ba9b5fe0d2c9ada694834ac6b0d0b7474b89 Mon Sep 17 00:00:00 2001
From: lizijie <lzjiiie@163.com>
Date: Thu, 12 Aug 2021 15:52:23 +0800
Subject: [PATCH] special_device、special_device_history相关文件，special_device查询接口
---
screen-common/src/main/java/com/moral/util/UnitConvertUtils.java | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java b/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
index e86291d..7d918da 100644
--- a/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
+++ b/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
@@ -1,5 +1,7 @@
package com.moral.util;
+import org.springframework.util.ObjectUtils;
+
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
@@ -28,6 +30,8 @@
* @Date: 2021/7/5
*/
public static String calculate(String value, String formula) {
+ if(ObjectUtils.isEmpty(formula))
+ return null;
ScriptEngine jse = new ScriptEngineManager().getEngineByName("JavaScript");
formula = formula.replaceAll("\\{0\\}", value);
Double result = null;
--
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