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 value; ScriptEngine jse = new ScriptEngineManager().getEngineByName("JavaScript"); formula = formula.replaceAll("\\{0\\}", value); Double result = null;