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我試圖在AngularJS應用程序中推出keybaord佈局。我需要它，這樣當我按下Shift鍵時，屏幕上顯示的字母將變爲鍵盤上相應的字母。我在我的控制器中創建了一個函數來響應shift keydown事件，並將其傳遞給基於keydown函數返回的不同模型的指令，但沒有任何顯示。我做錯了什麼想法？如何在keydown事件中更改AngularJS中的模型
$scope.keyLayout = [
{label: '`'},
{label: '1'},
{label: '2'},
{label: '3'},
{label: '4'},
{label: '5'},
{label: '6'},
{label: '7'},
{label: '8'},
{label: '9'},
{label: '0'},
{label: '-'},
{label: '='},
{label: 'q'},
{label: 'w'},
{label: 'e'},
{label: 'r'},
{label: 't'},
{label: 'y'},
{label: 'u'},
{label: 'i'},
{label: 'o'},
{label: 'p'},
{label: '['},
{label: ']'},
{label: '\x5c'},
{label: 'a'},
{label: 's'},
{label: 'd'},
{label: 'f'},
{label: 'g'},
{label: 'h'},
{label: 'j'},
{label: 'k'},
{label: 'l'},
{label: ';'},
{label: '\x27'},
{label: 'z'},
{label: 'x'},
{label: 'c'},
{label: 'v'},
{label: 'b'},
{label: 'n'},
{label: 'm'},
{label: ','},
{label: '.'},
{label: '/'}
];
$scope.keyLayoutShift = [
{label: '~'},
{label: '!'},
{label: '@'},
{label: '#'},
{label: '$'},
{label: '%'},
{label: '^'},
{label: '&'},
{label: '*'},
{label: '('},
{label: ')'},
{label: '_'},
{label: '+'},
{label: 'Q'},
{label: 'W'},
{label: 'E'},
{label: 'R'},
{label: 'T'},
{label: 'Y'},
{label: 'U'},
{label: 'I'},
{label: 'O'},
{label: 'P'},
{label: '{'},
{label: '{'},
{label: '|'},
{label: 'A'},
{label: 'S'},
{label: 'D'},
{label: 'F'},
{label: 'G'},
{label: 'H'},
{label: 'J'},
{label: 'K'},
{label: 'L'},
{label: ':'},
{label: '\x22'},
{label: 'Z'},
{label: 'X'},
{label: 'C'},
{label: 'V'},
{label: 'B'},
{label: 'N'},
{label: 'M'},
{label: '<'},
{label: '>'},
{label: '?'}
];
$scope.shiftDown = function(ev) {
if (ev.which==16)
return "keyLayoutShift";
else
return "keyLayout";
}
app.directive("keyboard", function(shiftDown){
if (shiftDown == "keyLayout") {
return {
restrict: "E",
template: "<ul id='keyboard'>" +
"<li class='letter' ng-repeat='key in keyLayout'></li>" +
"</ul>"
};
}
})