Angular JS的数字格式

Question

我在Angular JS中为银行应用程序的帐号进行数字格式化。

如何实施帐户格式11-02980-1。我希望在有些添加数字（11029801）时将分隔符（ - ）自动添加到输入文本中。即当我输入11时，添加分隔符（ - ），然后添加02980，添加另一个分隔符，最后添加1

由于

Answer 1

修改

这是你在找什么？

试试这个代码段：

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var MyApp = angular.module('MyApp', []);
MyApp.controller('TestController', TestController);

function TestController($scope) {
	$scope.accNumber = '';
	$scope.previousAccNumber = '';
	$scope.editAccountNumber = function (accNumber) {
		if ($scope.previousAccNumber.length > accNumber.length) {
			$scope.previousAccNumber = accNumber;
			return accNumber;
		}
		accNumber = accNumber.replace(/-/g, '');
		var classA = accNumber.slice(0, 2);
		var classB = accNumber.slice(2, 7);
		var classC = accNumber.slice(7, 8);
		var finalNumber = [];

		if (classA && classA.length == 2) {
			finalNumber.push(classA, "-");
		} else {
			return classA;
		}

		if (classB && classB.length == 5) {
			finalNumber.push(classB, "-");
		} else {
			return classA + "-" + classB;
		}

		if (classC && classC.length == 1) {
			finalNumber.push(classC);
		}
		$scope.previousAccNumber = finalNumber.join('');
		return finalNumber.join('');
	}
}

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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>

<div ng-app>
    <div ng-controller="TestController">
        <input id="accNumber" type="text" placeholder="Enter Account Number" ng-model="accNumber" ng-change="accNumber = editAccountNumber(accNumber)" />
    </div>
</div>

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