angularjs 剪贴板

$scope.cdkeyPaste = function(evt) {
        var content = ‘‘;
        if( evt.originalEvent.clipboardData ){//chrome靠angular返回兼容
          content = (evt.originalEvent || evt).clipboardData.getData(‘text/plain‘);
        }
        else if( window.clipboardData ){//ie，ie的剪贴板angular没有返回
          content = window.clipboardData.getData(‘Text‘);
        }
}