dashboard: Add version info in the left top of dashboard

sentinel-dashboard/src/main/webapp/resources/app/scripts/directives/header/header.html

@@ -1,7 +1,7 @@
 <div class="header">
   <nav class="navbar navbar-fixed-top navbar-inverse" style="" role="navigation">
     <div class="navbar-brand">
-      <span style="color: #fff;font-size: 26px;">Sentinel 控制台</span>
+      <span style="color: #fff;font-size: 26px;" ng-model="dashboardVersion">Sentinel 控制台 {{dashboardVersion}}</span>
     </div>
     <ul class="nav navbar-nav navbar-right">
       <li ng-show="showLogout">

sentinel-dashboard/src/main/webapp/resources/app/scripts/directives/header/header.js

@@ -5,12 +5,18 @@
  * # adminPosHeader
  */
 angular.module('sentinelDashboardApp')
-  .directive('header', ['AuthService', function () {
+  .directive('header', ['VersionService', 'AuthService', function () {
     return {
       templateUrl: 'app/scripts/directives/header/header.html',
       restrict: 'E',
       replace: true,
-      controller: function ($scope, $state, $window, AuthService) {
+      controller: function ($scope, $state, $window, VersionService, AuthService) {
+        VersionService.version().success(function (data) {
+          if (data.code == 0) {
+            $scope.dashboardVersion = data.data;
+          }
+        });
+
         if (!$window.localStorage.getItem("session_sentinel_admin")) {
           AuthService.check().success(function (data) {
             if (data.code == 0) {

sentinel-dashboard/src/main/webapp/resources/app/scripts/services/version_service.js

@@ -0,0 +1,10 @@
+var app = angular.module('sentinelDashboardApp');
+
+app.service('VersionService', ['$http', function ($http) {
+  this.version = function () {
+    return $http({
+      url: '/version',
+      method: 'GET'
+    });
+  };
+}]);

sentinel-dashboard/src/main/webapp/resources/gulpfile.js

@@ -43,6 +43,7 @@ const CSS_APP = [
 const JS_APP = [
   'app/scripts/app.js',
   'app/scripts/filters/filters.js',
+  'app/scripts/services/version_service.js',
   'app/scripts/services/auth_service.js',
   'app/scripts/services/appservice.js',
   'app/scripts/services/flow_service_v1.js',