AngularJS实现的回到顶部指令功能实例

本文实例讲述了AngularJS实现的回到顶部指令功能。分享给大家供大家参考,具体如下:

<!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="bootstrap.min.js"></script>

<style type="text/css">

#gotoTop {

display: none;

position: fixed;

top: 80%;

left: 90%;

cursor: pointer;

padding: 4px 4px;

width: 50px;

border: 1px solid #e0e0e0;

background: #fff;

border-radius: 50px;

height: 50px;

}

#gotoTop.hover {

background: #e0e0e0;

color: #fff;

text-decoration: none;

}

.arrow {

width: 0;

height: 0;

margin: 0 auto;

border: 9px solid transparent;

border-bottom-color: #aaa;

}

.stick {

width: 8px;

height: 14px;

margin: 0 auto;

border-radius: 1px;

background-color: #aaa;

}

</style>

<script type="text/javascript">

var myapp = angular.module('myapp', []);

myapp.directive("goToTop", function() {

return {

restrict: 'E',

replace: true,

scope: {

minHeight : '@'

},

templateUrl : 'tmpl.html',

link: function(scope, elem, attrs) {

elem.click(function() {

jQuery('html,body').animate({scrollTop:0}, 700);

})

.hover(function() {

jQuery(this).addClass("hover");

}, function() {

jQuery(this).removeClass("hover");

});

scope.minHeight = scope.minHeight ? scope.minHeight : 600;

jQuery(window).scroll(function() {

var s = jQuery(window).scrollTop();

if( s > scope.minHeight) {

jQuery("#gotoTop").fadeIn(100);

} else {

jQuery("#gotoTop").fadeOut(200);

};

});

}

};

});

</script>

</head>

<body ng-app="myapp">

<go-to-top min-height="800"></go-to-top>

<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

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<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

<h1>hello world</h1>

</body>

</html>

tmpl.html

<div id="gotoTop" title="返回顶部">

<div class="arrow"></div>

<div class="stick"></div>

</div>

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。

以上是 AngularJS实现的回到顶部指令功能实例 的全部内容, 来源链接: utcz.com/z/337049.html

回到顶部