AngularJS实现动态添加Option的方法
程序员文章站
2022-03-20 23:06:03
本文实例讲述了angularjs实现动态添加option的方法。分享给大家供大家参考，具体如下：
项目中后台管理设置，前台下拉动态添加option
本文实例讲述了angularjs实现动态添加option的方法。分享给大家供大家参考，具体如下：
项目中后台管理设置，前台下拉动态添加option
<!doctype html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="bootstrap.min.css" rel="external nofollow" >
<script src="jquery.min.js"></script>
<script src="angular.js"></script>
<script src="angular-animate.js"></script>
<script src="bootstrap.min.js"></script>
<script type="text/javascript">
var app = angular.module('myapp', []);
app.controller('democtrl', function ($scope) {
$scope.optioncontainer = [];
var realoptions = [];
var randomcode = function() {
var chars = "abcdefghijkmnopqrstuvwxyzabcdefghjkmnopqrstuvwxyz1234567890";
var randomchars = "";
for (var i = 0; i < 10; i++) {
var index = math.floor(math.random() * chars.length);
randomchars = randomchars + chars.charat(i);
}
return randomchars;
}
var getindex = function(array, id) {
var tmpitem = {};
angular.foreach(array, function(item) {
if (item.id == id) {
tmpitem = item;
}
});
return array.indexof(tmpitem);
}
$scope.add = function() {
var optionindex = randomcode();
$scope.optioncontainer.push({
id : optionindex,
readonly : false,
content : '',
showconfirm : true
})
console.log($scope.optioncontainer)
}
$scope.confirm = function(content, id) {
if (content == '') {
return;
}
var flag = false;
angular.foreach(realoptions, function(item) {
if (item == content) {
flag = true;
}
});
if (flag) {
console.log('already exist!');
return;
}
var tmpidindex = getindex($scope.optioncontainer, id);
realoptions.push(content);
$scope.optioncontainer[tmpidindex].showconfirm = false;
$scope.optioncontainer[tmpidindex].readonly = true;
}
$scope.deletefunc = function(id) {
var tmpidindex = getindex($scope.optioncontainer, id);
if ($scope.optioncontainer[tmpidindex].showconfirm == false) {
tmpindex = realoptions.indexof($scope.optioncontainer[tmpidindex].content);
realoptions.splice(tmpindex, 1);
}
$scope.optioncontainer.splice(tmpidindex, 1);
}
});
</script>
</head>
<body ng-app="myapp">
<div ng-controller="democtrl">
<div>
<div class="container">
<h1>create options</h1>
</div>
<div>
<div>
<table class="table table-striped table-hover">
<thead>
<tr>
<th>option</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="item in optioncontainer" class="row">
<td class="col-md-8" style="width:100%;">
<input type="text" ng-model="item.content" ng-readonly="item.readonly"/></td>
<td class="col-md-2">
<button type="button" class="btn btn-success btn-xs" ng-click="confirm(item.content, item.id)" ng-show="item.showconfirm">confirm
</button>
</td>
<td class="col-md-2">
<button type="button" class="btn btn-success btn-xs" ng-click="deletefunc(item.id)">delete
</button>
</td>
</tr>
</tbody>
</table>
</div>
<a class="btn btn-success btn-xs" ng-click="add()">add</a>
</div>
</div>
</div>
</body>
</html>
运行效果图如下：
更多关于angularjs相关内容感兴趣的读者可查看本站专题：《angularjs指令操作技巧总结》、《angularjs入门与进阶教程》及《angularjs mvc架构总结》
希望本文所述对大家angularjs程序设计有所帮助。
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