diff --git a/rest/feature.go b/rest/feature.go
new file mode 100644
index 0000000..661ac17
--- /dev/null
+++ b/rest/feature.go
@@ -0,0 +1,15 @@
+package rest
+
+//这里是用来定义系统中接口的访问级别的，不同角色将对不同feature具有访问权限。
+const (
+	//公共接口，所有人均可访问。
+	FEATURE_PUBLIC = "FEATURE_TYPE_PUBLIC"
+	//管理用户，只有超级管理员可以访问。
+	FEATURE_USER_MANAGE = "FEATURE_USER_MANAGE"
+	//管理文件，只有超级管理员可以访问。
+	FEATURE_MATTER_MANAGE = "FEATURE_MATTER_MANAGE"
+	//查看自己资料，普通用户和超级管理员可以访问。
+	FEATURE_USER_MINE = "FEATURE_USER_MINE"
+	//其他，超级管理员可以访问。
+	FEATURE_OTHER = "FEATURE_OTHER"
+)
diff --git a/rest/install.go b/rest/install.go
index 3556838..e62c210 100644
--- a/rest/install.go
+++ b/rest/install.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"github.com/jinzhu/gorm"
 	"github.com/nu7hatch/gouuid"
-
 	"regexp"
 	"time"
 )
diff --git a/rest/user_model.go b/rest/user_model.go
index aa0f725..77befda 100644
--- a/rest/user_model.go
+++ b/rest/user_model.go
@@ -61,3 +61,14 @@ func GetRole(roleString string) string {
 		return USER_ROLE_USER
 	}
 }
+
+//检查某种用户角色对于某个功能点是否有访问权限。
+func (this *User) HasPermission(feature string) bool {
+	if this.Role == USER_ROLE_ADMINISTRATOR {
+		return true
+	} else if this.Role == USER_ROLE_USER {
+		return feature == FEATURE_PUBLIC || feature == FEATURE_USER_MINE
+	} else {
+		return feature == FEATURE_PUBLIC
+	}
+}