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javascript - 使用 AngularJS 尝试在中间插入一个

转载 作者:行者123 更新时间:2023-11-30 21:14:58 24 4
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在这里,我试图在选定的 tr 标签下插入一个 tr 标签。我设法在表格中插入了 tr但它在底部。这是示例代码:

"use strict";

(function(angular) {
var app = angular.module('app', []);
app.controller('MainController', MainController);

MainController.$inject = ['$compile', '$scope', '$templateCache'];

function MainController($compile, $scope, $templateCache) {
var publishShown = false;
var lastItemAppned;
var vm = this;
vm.targets = ['Single passenger', 'Single driver', 'All passengers', 'All drivers'];
vm.items = ["Cheese", "Pepperoni", "Black Olives"];
vm.cancel = cancel;
vm.fruits = [{
name: 'Orange',
color: 'Orange',
tree: 'Orange Tree!',
origin: 'China'
}, {
name: 'Apple',
color: 'Green',
tree: 'Apple Tree!',
origin: 'Moon'
}];
vm.message = 'Fruit store!';

function appendTemplate(event) {
if (publishShown) {
removeLastAppend();
}
publishShown = true;
var template = $templateCache.get('template.html');
var compiledHtml = $compile(template)($scope);
var parent = event.currentTarget.parentElement.parentElement.parentElement;
parent.append(compiledHtml[0]);
}

vm.showOptions = function(event) {
appendTemplate(event);
}

function removeLastAppend() {
angular.element('#publish-template').remove();
}

function cancel() {
removeLastAppend();
}

}
})(window.angular);
<!DOCTYPE html>
<html ng-app="app">

<head>
<link data-require="bootstrap-css@3.*" data-semver="3.3.7" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css" />
<link data-require="bootstrap@*" data-semver="4.0.5" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" />
<script data-require="jquery@*" data-semver="3.1.1" src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script data-require="Tether@*" data-semver="1.4.0" src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js"></script>
<script data-require="bootstrap@*" data-semver="4.0.5" src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.5/js/bootstrap.min.js"></script>
<script data-require="angularjs@1.6.*" data-semver="1.6.4" src="https://code.angularjs.org/1.6.4/angular.min.js"></script>
<script data-require="angular-animate@1.6.*" data-semver="1.6.2" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.2/angular-animate.js"></script>
<script data-require="angular-touch@1.6.*" data-semver="1.6.2" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.2/angular-touch.js"></script>
<script data-require="ui-bootstrap@*" data-semver="2.5.0" src="https://cdn.rawgit.com/angular-ui/bootstrap/gh-pages/ui-bootstrap-tpls-2.5.0.js"></script>
<link rel="stylesheet" href="style.css" />
<script src="script.js"></script>
</head>

<body ng-controller="MainController as vm">
<script type="text/ng-template" id="template.html">
<tr id="publish-template">
<td colspan="5">
<div class="row">
<div class="col-sm-3">
<button class="btn btn-sm btn-success" ng-click="vm.command()">Command</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-primary" ng-click="vm.sell()">Sell</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-warning" ng-click="vm.eatSome()">Eat some!</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-danger" ng-click="vm.cancel()">Cancel</button>
</div>
</div>
</td>
</tr>
</script>
<div class="container-fluid">
<h1>{{vm.message}}</h1>
<table class="table">
<thead>
<th>Name</th>
<th>Color</th>
<th>Tree</th>
<th>Origin</th>
<th>Action</th>
</thead>
<tbody>
<tr ng-repeat="fruit in vm.fruits">
<td>{{fruit.name}}</td>
<td>{{fruit.color}}</td>
<td>{{fruit.tree}}</td>
<td>{{fruit.origin}}</td>
<td>
<button class="btn btn-primary" ng-click="vm.showOptions($event)">Options</button>
</td>
</tr>
</tbody>
</table>
</div>
</body>

</html>

如您所见,如果您单击第二个选项按钮,您不会注意到问题,但如果您单击第一个选项按钮,它会始终在表格底部添加一个 tr 标记!

我的目的是在selected on下添加新的tr。提前致谢

最佳答案

ng-repeat 正在 tr 元素上运行,您希望打破循环并根据单击的行在中间插入另一个 tr。为此,您需要将表格分成 3 个部分

  • 在 topFruits 上 TR ng-repeat
  • 带有选项按钮的 TR 行(最初会隐藏)
  • TR ng-repeat bottomFruits

最初,您需要将所有水果分配给 topFruits 并保持 bottomFruits 为空。同时保持 tr 行隐藏选项按钮。

当点击某一行的显示选项按钮时,获取该行的索引,然后根据索引在 topFruits 和 bottomFruits 之间划分水果。同时使带有按钮的行可见。

这是一个working demo

这是 HTML 正文

<body ng-controller="MainCtrl as vm">
<div class="container-fluid">
<h1>{{vm.message}}</h1>
<table class="table">
<thead>
<tr>
<th>Name</th>
<th>Color</th>
<th>Tree</th>
<th>Origin</th>
<th>Action</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="fruit in vm.topFruits">
<td style="background:#bbb">{{fruit.name}}</td>
<td>{{fruit.color}}</td>
<td>{{fruit.tree}}</td>
<td>{{fruit.origin}}</td>
<td>
<button class="btn btn-primary" ng-click="vm.showOptionsTop($index)">Options</button>
</td>
</tr>
<tr id="publish-template" style="display:none">
<td colspan="5">
<div class="row">
<div class="col-sm-3">
<button class="btn btn-sm btn-success" ng-click="vm.command()">Command</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-primary" ng-click="vm.sell()">Sell</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-warning" ng-click="vm.eatSome()">Eat some!</button>
</div>
<div class="col-sm-3">
<button class="btn btn-sm btn-danger" ng-click="vm.cancel()">Cancel</button>
</div>
</div>
</td>
</tr>
<tr ng-repeat="fruit in vm.bottomFruits">
<td style="background:#fcc">{{fruit.name}}</td>
<td>{{fruit.color}}</td>
<td>{{fruit.tree}}</td>
<td>{{fruit.origin}}</td>
<td>
<button class="btn btn-primary" ng-click="vm.showOptionsBottom($index)">Options</button>
</td>
</tr>
</tbody>
</table>
</div>
</body>

这是 Controller 代码

 vm.fruits = [{
name: 'Orange',
color: 'Orange',
tree: 'Orange Tree!',
origin: 'China'
}, {
name: 'Apple',
color: 'Green',
tree: 'Apple Tree!',
origin: 'Moon'
}];
vm.topFruits = vm.fruits;
vm.bottomFruits = [];
vm.message = 'Fruit store!';

function appendTemplate(index) {

if (vm.publishShown) {
removeLastAppend();
}
vm.publishShown = true;
vm.topFruits = [];
vm.bottomFruits = [];
document.getElementById('publish-template').style.display="block";
for(i=0;i<vm.fruits.length;i++) {
if(i<=index) {
vm.topFruits[i] = vm.fruits[i];
} else {
vm.bottomFruits[i-vm.topFruits.length] = vm.fruits[i];
}
}
}

vm.showOptionsTop = function(index) {
appendTemplate(index);
}
vm.showOptionsBottom = function(index) {
appendTemplate(index+vm.topFruits.length);
}

function removeLastAppend() {
document.getElementById('publish-template').style.display="none";
vm.publishShown = false;
}

function cancel() {
removeLastAppend();
}

关于javascript - 使用 AngularJS 尝试在中间插入一个 <tr>,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45777670/

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