$stateProvider
 .state('contacts', {})
 .state('contacts.list', {});

$stateProvider
 .state('contacts', {})
 .state('list', {
  parent: 'contacts'
 });

var cOntacts= { 
  name: 'contacts', //mandatory
  templateUrl: 'contacts.html'
}
var cOntactsList= { 
  name: 'list',   //mandatory
  parent: contacts, //mandatory
  templateUrl: 'contacts.list.html'
}

$stateProvider
 .state(contacts)
 .state(contactsList)

$state.current === states.contacts;
$state.includes(states.contacts)

$stateProvider
 .state('contacts', {
  templateUrl: 'contacts.html',
  controller: function($scope){
   $scope.cOntacts= [{ name: 'Alice' }, { name: 'Bob' }];
  }
 })
 .state('contacts.list', {
  templateUrl: 'contacts.list.html'
 });

function MainCtrl($state){
 $state.transitionTo('contacts.list');
}

My Contacts

 

  {{contact.name}}
 

$stateProvider.state('parent', {
   resolve:{
     resA: function(){
      return {'value': 'A'};
     }
   },
   controller: function($scope, resA){
     $scope.resA = resA.value;
   }
  })
  .state('parent.child', {
   resolve:{
     // 将父状态的解决依赖项注入到子状态的解决函数中
     resB: function(resA){
      return {'value': resA.value + 'B'};
     }
   },
   // 将父状态的解决依赖项注入到子状态的控制器中
   controller: function($scope, resA, resB){
     $scope.resA2 = resA.value;
     $scope.resB = resB.value;
   }

$stateProvider.state('parent', {
   data:{
     customData1: "Hello",
     customData2: "World!"
   }
  })
  .state('parent.child', {
   data:{
     // customData1 inherited from 'parent'
     // 覆盖了 customData2 的值
     customData2: "UI-Router!"
   }
  });

$rootScope.$on('$stateChangeStart', function(event, toState){ 
  var greeting = toState.data.customData1 + " " + toState.data.customData2;
  console.log(greeting);

  // 'parent'被激活时，输出 "Hello World!"
  // 'parent.child'被激活时，输出 "Hello UI-Router!"
})

$stateProvider
  .state('contacts', {
    abstract: true, 
  url: '/contacts',

    // Note: abstract still needs a ui-view for its children to populate.
    // You can simply add it inline here.
    template: ''
  })
  .state('contacts.list', {
  // url will become '/contacts/list'
    url: '/list'
  //...more
  })
  .state('contacts.detail', {
  // url will become '/contacts/detail'
    url: '/detail',
  //...more
  })

$stateProvider
  .state('contacts', {
    abstract: true,
    templateURL: 'contacts.html'
  )
  .state('contacts.list', {
    // loaded into ui-view of parent's template
    templateUrl: 'contacts.list.html'
  })
  .state('contacts.detail', {
    // loaded into ui-view of parent's template
    templateUrl: 'contacts.detail.html'
  })

Contacts Page

$stateProvider
  .state('contacts', {
    abstract: true,
    url: '/contacts',
    templateUrl: 'contacts.html',
    controller: function($scope){
      $scope.cOntacts= [{ id:0, name: "Alice" }, { id:1, name: "Bob" }];
    }      
  })
  .state('contacts.list', {
    url: '/list',
    templateUrl: 'contacts.list.html'
  })
  .state('contacts.detail', {
    url: '/:id',
    templateUrl: 'contacts.detail.html',
    controller: function($scope, $stateParams){
     $scope.person = $scope.contacts[$stateParams.id];
    }
  })

Contacts Page

  

    {{person.name}}
  

{{ person.name }}