This time I will show you how to use AngularJS to switch tabs and tabs. What are the things to note?The following is a practical case, let’s take a look. .
Tab one:
##JavaScript html css
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> js标签页tab切换</title>
<style>
#p1 .active{
background:blue;
}
#p1 p{
width:200px;
height:200px;
background:gray;
border:1px solid black;
display:none;
}
</style>
<script>
window.onload=function (){
var op=document.getElementById('p1');
var aBtn=op.getElementsByTagName('input');
var ap=op.getElementsByTagName('p');
for(var i=0;i<aBtn.length;i++){ //遍历p1中的按钮
aBtn[i].index=i; //给aBth[]添加自定义属性
aBtn[i].onclick=function (){
for(var i=0;i<aBtn.length;i++){ //遍历按钮，将class清除
aBtn[i].className='';
ap[i].style.display='none';
}
this.className='active';
ap[this.index].style.display='block';
}
}
}
</script>
</head>
<body>
<p id="p1">
<input class="active" type="button" value="选项1" />
<input type="button" value="选项2" />
<input type="button" value="选项3" />
<input type="button" value="选项4" />
<p style="display:block;">111</p>
<p>222</p>
<p>333</p>
<p>444</p>
</p>
</body>
</html>Copy after login
Tab two:
angularjs directives:
ng-class, ng-click, ng-if
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>AngularJS标签页tab切换</title>
<style>
.active {
background-color: orange;
}
</style>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="s1.app">
<p>
<button ng-class="{ 'active' : data.current == 1 }" ng-click="actions.setCurrent(1)">张三</button>
<button ng-class="{ 'active' : data.current == 2 }" ng-click="actions.setCurrent(2)">李四</button>
<button ng-class="{ 'active' : data.current == 3 }" ng-click="actions.setCurrent(3)">王五</button>
</p>
<p>
<p ng-if="data.current == 1">张三的个人信息</p>
<p ng-if="data.current == 2">李四的个人信息</p>
<p ng-if="data.current == 3">王五的个人信息</p>
<script>
var app = angular.module('s1.app', []);
app.run(function ($rootScope) {
$rootScope.data = {
current: "1" // 1代表张三，2代表李四，3代表王五
};
$rootScope.actions =
{
setCurrent: function (param) {
$rootScope.data.current = param;
}
}
})
</script>
</p>
</body>
</html>Copy after login
Tab three:
angularjs command:
ng-class, ng-click, ng-show
<!DOCTYPE html>
<html ng-app="myApp">
<head lang="en">
<meta charset="UTF-8">
<title AngularJS标签页tab切换</title>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<section ng-controller="myCtrl as panel">
<ul>
<li ng-class="{active:panel.isSelected(1)}">
<a href ng-click="panel.selectTab(1)">1111111111</a>
</li>
<li ng-class="{active:panel.isSelected(2)}">
<a href ng-click="panel.selectTab(2)">2222222222</a>
</li>
<li ng-class="{active:panel.isSelected(3)}">
<a href ng-click="panel.selectTab(3)">33333333333</a>
</li>
</ul>
<!--是否点击-->
{{panel.isSelected(1)}}
{{panel.isSelected(2)}}
{{panel.isSelected(3)}}
<p class="panel" ng-show="panel.isSelected(1)">
<h1>我是1111111111111111111111</h1>
</p>
<p class="panel" ng-show="panel.isSelected(2)">
<h1>我是22222222222222222</h1>
</p>
<p class="panel" ng-show="panel.isSelected(3)">
<h1>我是3333333333333333333333</h1>
</p>
</section>
<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function () {
this.tab = 2;/*设置默认*/
this.selectTab = function (setTab) {/*设置tab点击事件*/
this.tab = setTab;
};
this.isSelected = function (checkedTab) {/*页面的切换*/
return this.tab === checkedTab;
}
});
</script>
</body>
</html>Copy after login
Tab four:
angularjs command
The second and third methods are derived from the improvement of the following code, and the effects are the same .
<!DOCTYPE html>
<html ng-app="myApp">
<head lang="en">
<meta charset="UTF-8">
<title>AngularJS标签页tab切换</title>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<section ng-init="tab=3">
<ul>
<li ng-class="{active:tab===1}">
<a href ng-click="tab=1">1111111111</a>
</li>
<li ng-class="{active:tab===2}">
<a href ng-click="tab=2">2222222222</a>
</li>
<li ng-class="{active:tab===3}">
<a href ng-click="tab=3">33333333333</a>
</li>
</ul>
<!--是否点击-->
{{tab===1}}
{{tab===2}}
{{tab===3}}
<p class="panel" ng-show="tab===1">
<h1>我是1111111111111111111111</h1>
</p>
<p class="panel" ng-show="tab===2">
<h1>我是22222222222222222</h1>
</p>
<p class="panel" ng-if="tab===3">
<h1>我是3333333333333333333333</h1>
</p>
</section>
<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function () {
});
</script>
</body>
</html>Copy after login
But there is a difference between ng-show and ng-if
The first difference is,
ng-if This dom node is only created when the subsequent expression is true.
ng-show is created initially, use display:block and display:none to control display or non-display.
The second difference is that
ng-if will (implicitly) generate a new scope, ng-switch The same goes for , ng-include, etc. that will dynamically create an interface.
This will result in using basic variables to bind
ng-model in ng-if , and binding this model to another display in the outer layer p Area, when the inner layer changes, the outer layer will not change synchronously, because there are already two variables at this time.
<p>{{name}}</p>
<p ng-if="true">
<input type="text" ng-model="name">
</p>Copy after login
ng-show does not have this problem because it does not come with a first-level scope.
The way to avoid this kind of problem is to always bind the elements in the page to the properties of the object (
data.x) rather than directly to the basic variables (x)superior. Scope in AngularJS
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
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The above is the detailed content of How to implement tab switching using AngularJS. For more information, please follow other related articles on the PHP Chinese website!
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