@@ -39,7 +39,19 @@
 		<tag>HEAD</tag>
 	</scm>
 
-    <properties>
+	<!-- 配置私库地址 -->
+	<distributionManagement>
+		<snapshotRepository>
+			<id>hclc aliyun nexus</id>
+			<url>http://nexus.hclcaliyun.com:8082/repository/maven-snapshots/</url>
+		</snapshotRepository>
+		<repository>
+			<id>hclc aliyun nexus</id>
+			<url>http://nexus.hclcaliyun.com:8082/repository/maven-releases/</url>
+		</repository>
+	</distributionManagement>
+
+	<properties>
 		<maven.compiler.source>11</maven.compiler.source>
 		<maven.compiler.target>11</maven.compiler.target>
 	</properties>
 
@@ -47,6 +47,34 @@ public boolean hasParentExpression() {
         return parentExpression != EmptyExpression.INSTANCE;
     }
 
+    /**
+     * 是否是对象表达式
+     */
+    public boolean isObject() {
+        return this instanceof ObjectExpression;
+    }
+
+    /**
+     * 是否是数组表达式
+     */
+    public boolean isArray() {
+        return this instanceof ArrayExpression;
+    }
+
+    /**
+     * 是否是方法表达式
+     */
+    public boolean isMethod() {
+        return this instanceof MethodExpression;
+    }
+
+    /**
+     * 是否是空表达式
+     */
+    public boolean isEmpty() {
+        return this == EmptyExpression.INSTANCE;
+    }
+
     /**
      * 返回表达式树
      *
@@ -199,5 +227,4 @@ public static Expression concat(Expression parentExpression, Expression childExp
             return newExpression;
         }
     }
-
 }
@@ -14,11 +14,7 @@
  * @author qiushui
  */
 @SuppressWarnings("unchecked")
-public final class ExpressionUtils {
-
-    private ExpressionUtils() {
-        throw new AssertionError("No " + getClass().getName() + " instances for you!");
-    }
+public abstract class ExpressionUtils {
 
     /**
      * 获取值
 
@@ -61,4 +61,11 @@ public void testArray() {
         Assert.assertNull(item2);
     }
 
+    @Test
+    public void testMethod() {
+        List<User> users = List.of(new User("a", 20));
+        String say = ExpressionUtils.getValue(Map.of("data", Map.of("users", users)), "data.users[0].say()", String.class);
+        Assert.assertEquals(say, "Hi");
+    }
+
 }
@@ -10,4 +10,8 @@ public class User {
     private final String name;
 
     private final int age;
+
+    public String say() {
+        return "Hi";
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -61,4 +61,11 @@ public void testArray() {`
`61`	`61`	`Assert.assertNull(item2);`
`62`	`62`	`}`
`63`	`63`
	`64`	`+ @Test`
	`65`	`+ public void testMethod() {`
	`66`	`+ List<User> users = List.of(new User("a", 20));`
	`67`	`+ String say = ExpressionUtils.getValue(Map.of("data", Map.of("users", users)), "data.users[0].say()", String.class);`
	`68`	`+ Assert.assertEquals(say, "Hi");`
	`69`	`+ }`
	`70`	`+`
`64`	`71`	`}`
Original file line number	Diff line number	Diff line change
`@@ -10,4 +10,8 @@ public class User {`
`10`	`10`	`private final String name;`
`11`	`11`
`12`	`12`	`private final int age;`
	`13`	`+`
	`14`	`+ public String say() {`
	`15`	`+ return "Hi";`
	`16`	`+ }`
`13`	`17`	`}`