AngularJS將值綁定到數據屬性

Question

有誰知道如何使用AngularJS將插值插入到數據屬性中？

<input type="text" data-custom-id="{{ record.id }}" /> 

角度似乎沒有內插該值，因爲它的元素結構的一部分。任何想法如何解決這一問題？

Answer 1

看起來畢竟沒有問題。該模板被解析，我的控制器正在下載數據，但是當模板被解析時，數據還沒有出現。我放的指令需要數據在那裏同時它只是拾取空的宏數據。

，我解決了，這是與$ watch命令的方式：

$scope.$watch('ready', function() { 
    if($scope.ready == true) { 
    //now the data-id attribute works 
    } 
}); 

然後，當控制器已加載的所有Ajax的東西，那麼你這樣做：

$scope.ready = true; 

Answer 2

它看起來像我你是真的後，什麼是Promise/Deferred：

// for the purpose of this example let's assume that variables '$q' and 'scope' are 
// available in the current lexical scope (they could have been injected or passed in). 

function asyncGreet(name) { 
    var deferred = $q.defer(); 

    setTimeout(function() { 
    // since this fn executes async in a future turn of the event loop, we need to wrap 
    // our code into an $apply call so that the model changes are properly observed. 
    scope.$apply(function() { 
     if (okToGreet(name)) { 
     deferred.resolve('Hello, ' + name + '!'); 
     } else { 
     deferred.reject('Greeting ' + name + ' is not allowed.'); 
     } 
    }); 
    }, 1000); 

    return deferred.promise; 
} 

var promise = asyncGreet('Robin Hood'); 
promise.then(function(greeting) { 
    alert('Success: ' + greeting); 
}, function(reason) { 
    alert('Failed: ' + reason); 
); 

編輯：正確的，這裏有一個簡單的考試用無極帶控制器和綁定的PLE：

var app = angular.module('myApp', []); 

app.controller('MyCtrl', function($scope, $q) { 
    var deferredGreeting = $q.defer(); 
    $scope.greeting = deferredGreeting.promise; 

    /** 
    * immediately resolves the greeting promise 
    */ 
    $scope.greet = function() { 
     deferredGreeting.resolve('Hello, welcome to the future!'); 
    }; 

    /** 
    * resolves the greeting promise with a new promise that will be fulfilled in 1 second 
    */ 
    $scope.greetInTheFuture = function() { 
     var d = $q.defer(); 
     deferredGreeting.resolve(d.promise); 

     setTimeout(function() { 
      $scope.$apply(function() { 
       d.resolve('Hi! (delayed)'); 
      }); 
     }, 1000); 
    }; 
});​ 

工作的jsfiddle：http://jsfiddle.net/dain/QjnML/4/

基本上想法是，你可以綁定的承諾，一旦異步響應解決它，它將會實現。