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[英]How to make enter key as tab for input and submit if button found in angularjs?
[英]angularJS bind to input's enter key and submit if input is button
我有这样的指令,转到模态窗口中的下一个输入(或按钮):
.directive('autoVrm', function () {
return function (scope, element, attrs) {
var counter = 0;
element.bind("keydown keypress", function (event) {
console.log(element);
if(event.which === 13) {
counter++;
event.preventDefault();
var elementToFocus = element.find('input')[counter] || element.find('button')[1];
console.log(elementToFocus.type);
if(angular.isDefined(elementToFocus))
elementToFocus.focus();
if (elementToFocus.type === 'button'){
counter = -1;
elementToFocus.bind("keydown keypress", function (eventSubmit) {
if(eventSubmit.which === 13) {
console.log('submit');
}
});
}
}
});
};
但我有一个麻烦,如果我在按钮上,然后点击输入我得到:
Uncaught TypeError: undefined is not a function
但为什么? 如何进入点击提交表格? 不依赖于控制器?
尝试使用angular.element(elementToFocus).bind作为Uncaught TypeError。
关于你的新评论:
如果在控制器中定义了这个
$scope.registerUser = function() {
...
}
然后简单地在指令中调用它
elementToFocus.bind("keydown keypress", function (eventSubmit) {
if(eventSubmit.which === 13) {
scope.registerUser();
}
});
作为猜测,您可以执行类似检查attrs参数以获取'data-ng-click'的值并调用相应函数的操作:
elementToFocus.bind("keydown keypress", function (eventSubmit) {
if(eventSubmit.which === 13) {
if (attrs.dataNgClick == "registerUser()" {
scope.registerUser();
}
else if (attrs.dataNgClick == "sign()" {
scope.sign();
}
else if (attrs.dataNgClick == "frgtPassword()" {
scope.frgtPassword();
}
}
});
此行为已在Web技术中定义。 当您在表单中按Enter时,它将被提交。 为此,您需要处理正确的事件(ng-submit)。 您可以使用更少的代码实现您正在寻找的效果。
angular.module('app', []) .controller('MyCtrl', function () { var self = this; self.message = "press ENTER to submit"; self.count = 0; this.onSubmit = function () { self.count++; self.message = "form submitted " + self.count + " times"; }; });
<!DOCTYPE html> <html ng-app="app"> <head> <script data-require="angular.js@*" data-semver="1.4.0-beta.1" src="https://code.angularjs.org/1.4.0-beta.1/angular.js"></script> <link rel="stylesheet" href="style.css" /> <script src="script.js"></script> </head> <body ng-controller="MyCtrl as ctrl"> <h1>Hello Stack Overflow!</h1> <form ng-submit="ctrl.onSubmit()"> <input type="text" placeholder="press ENTER"/> <input type="text" placeholder="press ENTER"/> <input type="submit" value="Send" /> </form> <div>{{ctrl.message}}</div> </body> </html>
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