我喜欢@madhead 提供的解决方案
但是我遇到的问题是它不适用于排序列表,因此我没有将索引传递给删除函数,而是传递了项目,然后通过 indexof 获取索引
例如:
var index = $scope.items.indexOf(item);
$scope.items.splice(index, 1);
madheads 示例的更新版本如下:
示例链接
HTML
<!DOCTYPE html>
<html data-ng-app="demo">
<head>
<script data-require="angular.js@1.1.5" data-semver="1.1.5" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.1.5/angular.js"></script>
<link rel="stylesheet" href="style.css" />
<script src="script.js"></script>
</head>
<body>
<div data-ng-controller="DemoController">
<ul>
<li data-ng-repeat="item in items|orderBy:'toString()'">
{{item}}
<button data-ng-click="removeItem(item)">Remove</button>
</li>
</ul>
<input data-ng-model="newItem"><button data-ng-click="addItem(newItem)">Add</button>
</div>
</body>
</html>
JavaScript
"use strict";
var demo = angular.module("demo", []);
function DemoController($scope){
$scope.items = [
"potatoes",
"tomatoes",
"flour",
"sugar",
"salt"
];
$scope.addItem = function(item){
$scope.items.push(item);
$scope.newItem = null;
}
$scope.removeItem = function(item){
var index = $scope.items.indexOf(item);
$scope.items.splice(index, 1);
}
}