我正在尝试通过以下方式实现一种形式:
1个输入收音机 ( 3 选项 )2 选择 ( 3 选项 )
取决于我在选择中的选择,输入[无线电]应该改变但是,如果我单击输入[无线电],选择应显示初始值
我做了一个简单的例子来理解我在 Plunkr 上尝试的内容
-客户端可以选择订阅,每个订阅都有一个组合礼物(一个小工具和一台计算机)有3种基本订阅:"青铜,白银和黄金"。如果您的选择与定义的组合计划匹配,则应更改为其中一些,如果选择是小工具-计算机特殊组合,则计划应更改为"白金"。
如果您单击某个计划,则应显示初始组合
.HTML
<!DOCTYPE html>
<html ng-app="client">
<head>
<script data-require="angular.js@1.5.0" data-semver="1.5.0" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.0/angular.js"></script>
<link rel="stylesheet" href="style.css" />
<script src="script.js"></script>
</head>
<body ng-controller="ClientController as vm">
<h1>{{vm.title}}</h1>
<form>
<label ng-repeat="subscription in vm.subscriptions">
<input type="radio" ng-model="vm.subscription" name="subscription" value="{{subscription.value}}" ng-click="vm.resetDependentFields()" required>
{{subscription.name}}
</label>
<br>
<br>
<select name="gadgetList" ng-model="vm.gadget" ng-change="vm.planCombination()" ng-options="gadget for gadget in vm.subscriptions[vm.subscription].gadgetList">
</select>
<select name="computerList" ng-model="vm.computer" ng-change="vm.planCombination()" ng-options="computer for computer in vm.subscriptions[vm.subscription].computerList">
</select>
</form>
</body>
</html>
JAVASCRIPT
(function () {
'use strict';
angular
.module('client', [])
.controller('ClientController', ClientController)
function ClientController ( $log ) {
var vm = this;
vm.title = "NG Directives for forms"
// Form initial value
vm.planCombination = planCombination;
vm.subscription = 0;
vm.subscriptions = [
{
name : "bronze",
value : 0,
initGadget : "iPod",
initComputer : "MacBook Air",
gadgetList : ["iPod" , "AppleWatch" , "AppleTV"],
computerList : ["MacBook Air" , "MacBook Pro" , "iMac"],
combination : [["iPod","MacBookAir"]]
},
{
name : "silver",
value : 1,
initGadget : "iPod",
initComputer : "MacBook Pro",
gadgetList : ["iPod" , "AppleWatch" , "AppleTV"],
computerList : ["MacBook Air" , "MacBook Pro" , "iMac"],
combination : [["iPod","MacBook Pro"]]
},
{
name : "gold",
value : 2,
initGadget : "AppleWatch",
initComputer : "iMac",
gadgetList : ["iPod" , "AppleWatch" , "AppleTV"],
computerList : ["MacBook Air" , "MacBook Pro" , "iMac"],
combination : [["AppleWatch","iMac"]]
},
{
name : "platinum",
value : 3,
initGadget : "iPod",
initComputer : "iMac",
gadgetList : ["iPod" , "AppleWatch" , "AppleTV"],
computerList : ["MacBook Air" , "MacBook Pro" , "iMac"],
combination : [
["iPod","iMac"],
["AppleWatch", "MacBook Air"],
["AppleWatch", "MacBook Pro"],
["AppleTV", "MacBook Air"],
["AppleTV", "MacBook Pro"],
["AppleTV", "iMac"]
]
}
];
vm.gadget = vm.subscriptions[vm.subscription].initGadget;
vm.computer = vm.subscriptions[vm.subscription].initComputer;
// -----
function planCombination () {
if ( vm.gadget == "iPod" && vm.computer == "MacBook Air" ) {
vm.subscription = "0";
}
else if ( vm.gadget == "iPod" && vm.computer == "MacBook Pro" ) {
vm.subscription = "1";
}
else if ( vm.gadget == "AppleWatch" && vm.computer == "iMac" ) {
vm.subscription = "2";
}
else {
vm.subscription = "3";
}
}
} // End Controller
})();
我使用的是 Angular 1.5,使用 vm 语法而不是$scope我试图避免ng-init并在控制器上设置初始值,因为官方文档说了这一点。
我正在玩 ng-change(认为可能是正确使用开关的好方法,任何建议 ? 也许是更好的方法?
任何帮助将不胜感激
你正在用ng-change朝着正确的方向思考。像这样将函数连接到 ng-change
<... ng-change="someFunction()">
然后在函数中根据需要设置模型。
$scope.someFunction = function() {
if ($scope.selectBoxValue == certainValue) {
$scope.radioButonValue = someValue;
} else { ... }
}
如果这还不够详细,请告诉我,我可以举一个更具体的例子。