1.2.1

Author: developframework

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>com.github.developframework</groupId>
 	<artifactId>expression</artifactId>
-	<version>1.2.2-SNAPSHOT</version>
+	<version>1.2.1-SNAPSHOT</version>
 
 	<name>Expression Framework</name>
 	<url>https://github.com/developframework/expression</url>

src/main/java/com/github/developframework/expression/ExpressionUtils.java

@@ -3,9 +3,7 @@
 import com.github.developframework.expression.exception.ExpressionException;
 
 import java.lang.reflect.Field;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 
 /**
  * 表达式取值工具
@@ -124,8 +122,12 @@ private static final Object getValueFromArray(Object instance, ArrayExpression a
             return ((Object[]) arrayObject)[arrayExpression.getIndex()];
         } else if (List.class.isAssignableFrom(clazz)) {
             return ((List) arrayObject).get(arrayExpression.getIndex());
+        } else if (Set.class.isAssignableFrom(clazz)) {
+            ArrayList arrayList = new ArrayList<>((Set) arrayObject);
+            arrayList.sort(Comparator.comparingInt(Object::hashCode));
+            return arrayList.get(arrayExpression.getIndex());
         } else {
-            throw new ExpressionException("The instance \"%s\" type is not array or List.", instance.toString());
+            throw new ExpressionException("The instance \"%s\" type is not array or List/Set.", instance.toString());
         }
     }