修复sql中含有关键字导致druid监控不可启用的bug

src/main/java/com/stylefeng/guns/common/node/ZTreeNode.java

@@ -51,6 +51,14 @@ public class ZTreeNode {
 		this.open = open;
 	}
 
+	public Boolean getIsOpen() {
+		return open;
+	}
+
+	public void setIsOpen(Boolean open) {
+		this.open = open;
+	}
+
 	public Boolean getChecked() {
 		return checked;
 	}

src/main/java/com/stylefeng/guns/modular/system/dao/mapping/DeptDao.xml

@@ -11,7 +11,7 @@
 		ELSE
 			'false'
 		END
-		) as open from dept
+		) as isOpen from dept
 	</select>
 
 	<select id="list" resultType="map">

src/main/java/com/stylefeng/guns/modular/system/dao/mapping/MenuDao.xml

@@ -46,7 +46,7 @@
 		ELSE
 		'false'
 		END
-		) as open
+		) as isOpen
 		FROM
 		menu m1
 		LEFT JOIN menu m2 ON m1.pcode = m2. CODE
@@ -74,7 +74,7 @@
 		ELSE
 		'false'
 		END
-		) as open,
+		) as isOpen,
 		(
 		CASE
 		WHEN (m3.ID = 0 OR m3.ID