我想捕捉下面文本框上的回车键事件。为了更清楚地说明这一点,我使用ng-repeat填充tbody。下面是HTML:

<td><input type="number" id="closeqty{{$index}}" class="pagination-right closefield" 
    data-ng-model="closeqtymodel" data-ng-change="change($index)" required placeholder="{{item.closeMeasure}}" /></td>

这是我的模块:

angular.module('components', ['ngResource']);

我使用一个资源来填充表,我的控制器代码是:

function Ajaxy($scope, $resource) {
//controller which has resource to populate the table 
}

当前回答

另一个简单的选择:

<input ng-model="edItem" type="text" 
    ng-keypress="($event.which === 13)?foo(edItem):0"/>

ng-ui的替代品:

<input ng-model="edItem" type="text" ui-keypress="{'enter':'foo(edItem)'}"/>

其他回答

这是我在开发一个有类似需求的应用程序时得出的结论, 它不需要写一个指令,它是相对简单的告诉它做什么:

<input type="text" ng-keypress="($event.charCode==13)?myFunction():return" placeholder="Will Submit on Enter">
<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
Informe your name:<input type="text" ng-model="pergunta" ng-keypress="pressionou_enter($event)" ></input> 
<button ng-click="chamar()">submit</button>
<h1>{{resposta}}</h1> 
</div>
<script>
var app = angular.module('myApp', []);
//create a service mitsuplik
app.service('mitsuplik', function() {
    this.myFunc = function (parametro) {
        var tmp = ""; 
        for (var x=0;x<parametro.length;x++)
            {
            tmp = parametro.substring(x,x+1) + tmp;
            } 
        return tmp;
    }
});
//Calling our service
app.controller('myCtrl', function($scope, mitsuplik) { 
  $scope.chamar = function() { 
        $scope.resposta = mitsuplik.myFunc($scope.pergunta); 
    };
  //if mitsuplik press [ENTER], execute too
  $scope.pressionou_enter = function(keyEvent) {
             if (keyEvent.which === 13) 
                { 
                $scope.chamar();
                }

    }
});
</script>
</body>
</html>

你也可以把它应用到父元素的控制器上。此示例可用于通过按上下方向键突出显示表中的一行。

app.controller('tableCtrl', [ '$scope', '$element', function($scope, $element) {
  $scope.index = 0; // row index
  $scope.data = []; // array of items
  $scope.keypress = function(offset) {
    console.log('keypress', offset);
    var i = $scope.index + offset;
    if (i < 0) { i = $scope.data.length - 1; }
    if (i >= $scope.data.length) { i = 0; }
  };
  $element.bind("keydown keypress", function (event) {
    console.log('keypress', event, event.which);
    if(event.which === 38) { // up
      $scope.keypress(-1);
    } else if (event.which === 40) { // down
      $scope.keypress(1);
    } else {
      return;
    }
    event.preventDefault();
  });
}]);


<table class="table table-striped" ng-controller="tableCtrl">
<thead>
    <tr>
        <th ng-repeat="(key, value) in data[0]">{{key}}</th>
    </tr>
</thead>
<tbody>
    <tr ng-repeat="row in data track by $index" ng-click="draw($index)" ng-class="$index == index ? 'info' : ''">
        <td ng-repeat="(key, value) in row">{{value}}</td>
    </tr>
</tbody>
</table>

尝试

ng-keypress="console.log($event)"
ng-keypress="alert(123)"

什么也没为我做。

Strangley的例子在https://docs.angularjs.org/api/ng/directive/ngKeypress,它做ng-keypress="count = count + 1",工作。

我找到了一个替代的解决方案,它有按Enter调用按钮的ng-click。

<input ng-model="..." onkeypress="if (event.which==13) document.getElementById('button').click()"/>
<button id="button" ng-click="doSomething()">Done</button>

另一个简单的选择:

<input ng-model="edItem" type="text" 
    ng-keypress="($event.which === 13)?foo(edItem):0"/>

ng-ui的替代品:

<input ng-model="edItem" type="text" ui-keypress="{'enter':'foo(edItem)'}"/>