气瓶预警消息

amos-boot-module/amos-boot-module-biz/amos-boot-module-tzs-biz/src/main/java/com/yeejoin/amos/boot/module/tzs/biz/action/ELEvaluationContext.java

+package com.yeejoin.amos.boot.module.tzs.biz.action;
+
+import java.util.Map;
+
+import org.springframework.expression.EvaluationContext;
+import org.springframework.expression.ExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
+import org.springframework.expression.spel.support.StandardEvaluationContext;
+
+public class ELEvaluationContext
+{
+	private static EvaluationContext instance = new StandardEvaluationContext();
+
+	private static ExpressionParser parser = new SpelExpressionParser();
+
+	public static EvaluationContext getInstance()
+	{
+		return instance;
+	}
+
+	public static void setVariable(String name, Object value)
+	{
+		instance.setVariable(name, value);
+	}
+
+	public static void setVariable(Map<String, Object> vars)
+	{
+		for (Map.Entry<String, Object> entry : vars.entrySet())
+		{
+			instance.setVariable(entry.getKey(), entry.getValue());
+		}
+	}
+	
+	public static Object getValue(String Expression){
+		return parser.parseExpression(Expression).getValue(instance);
+	}
+}