JQuery模拟实现天猫购物车动画效果

测试程序源代码下载地址：源码

一、功能描述：

   1、点击购买按钮，模拟抛物线将物品弹到购物车里；

   2、购物车添加物品后，显示+1动画；

效果图如下：

实现如下：

   1、导入jquery相关的包：

<script type="text/javascript" src="jquery-2.1.1.min.js"></script>
<script src="jquery.fly.min.js"></script>

  2、html文件内容：



<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>jQuery实现模拟天猫加入购物车飞入动画效果</title>
<meta name="keywords" content="jquery,购物车" />


<body>
<div id="main">
    <div class="demo">
        <div class="box orange button addcar">
            <div style="padding-top:55px">
            土豪，请猛击我，加入购物车
            </div>
        </div>
    </div>
    
    </div>

    <div class="m-sidebar">
        <div class="cart">
            <i id="end"></i>
            <span>购物车</span>
        </div>
    </div>
</div>

</body>




3、css样式：






<style type="text/css">
.demo{width:820px; margin:60px auto 10px auto}
.m-sidebar{position: fixed;top: 0;right: 0;background: #000;z-index: 2000;width: 85px;height: 100%;font-size: 12px;color: #fff;}
.cart{color: #fff;text-align:center;line-height: 20px;padding: 200px 0 0 0px;}
.cart span{display:block;width:20px;margin:10 0 0 0;}
.cart i{width:50px;height:35px;display:block; background:url(car.png) no-repeat;}
#msg{position:fixed; top:300px; right:35px; z-index:10000; width:1px; height:52px; line-height:52px; font-size:20px; text-align:center; color:#fff; background:#360; display:none}

.box{width:300px; height:150px; border:1px solid #e0e0e0; text-align:center}

.u-flyer{display: block;width: 50px;height: 50px;border-radius: 50px;position: fixed;z-index: 9999;}

.button {
    display: inline-block;
    outline: none;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font: 16px/100% 'Microsoft yahei',Arial, Helvetica, sans-serif;
    padding: .5em 2em .55em;
    text-shadow: 0 1px 1px rgba(0,0,0,.3);
    -webkit-border-radius: .5em; 
    -moz-border-radius: .5em;
    border-radius: .5em;
    -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);
    -moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);
    box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.button:hover {
    text-decoration: none;
}
.button:active {
    position: relative;
    top: 1px;
}
/* orange */
.orange {
    color: #fef4e9;
    border: solid 1px #da7c0c;
    background: #f78d1d;
    background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));
    background: -moz-linear-gradient(top,  #faa51a,  #f47a20);
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}
.orange:hover {
    background: #f47c20;
    background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));
    background: -moz-linear-gradient(top,  #f88e11,  #f06015);
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');
}
.orange:active {
    color: #fcd3a5;
    background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));
    background: -moz-linear-gradient(top,  #f47a20,  #faa51a);
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');
}



View Code


4、核心的JQuery代码：




<script>

//实现购物车+1动画效果
(function ($) {
    $.extend({
        tipsBox: function (options) {
            options = $.extend({
                obj: null,  //jq对象，要在那个html标签上显示
                str: "+1",  //字符串，要显示的内容
                startSize: "18px",  //动画开始的文字大小
                endSize: "38px",    //动画结束的文字大小
                interval: 600,  //动画时间间隔
                color: "red",    //文字颜色
                callback: function () { }    //回调函数
            }, options);
            $("body").append("<span class='num'>" + options.str + "</span>");
            var box = $(".num");
            var left = options.obj.offset().left + options.obj.width() / 2;
            var top = options.obj.offset().top - options.obj.height();
            box.css({
                "position": "absolute",
                "left": left + "px",
                "top": top + "px",
                "z-index": 9999,
                "font-size": options.startSize,
                "line-height": options.endSize,
                "color": options.color
            });
            box.animate({
                "font-size": options.endSize,
                "opacity": "0",
                "top": top - parseInt(options.endSize) + "px"
            }, options.interval, function () {
                box.remove();
                options.callback();
            });
        }
    });
})(jQuery);

function niceIn(prop){
    prop.find('i').addClass('niceIn');
    setTimeout(function(){
        prop.find('i').removeClass('niceIn');
    },1000);
}

//实现抛物线动画功能
$(function() {
    var offset = $("#end").offset();
    $(".addcar").click(function(event){
        var addcar = $(this);
        var img = "images/lg.jpg";
        var flyer = $('<img class="u-flyer" src="'+img+'">');
        flyer.fly({
            start: {
                left: event.pageX,
                top: event.pageY
            },
            end: {
                left: offset.left+10,
                top: offset.top+10,
                 0,
                height: 0
            },
            onEnd: function(){
                $.tipsBox({
                        obj: $("#end"),
                        str: "<b style='font-family:Microsoft YaHei;'>+1</b>",
                        callback: function () {
                        }
                });
                niceIn($("#end"));
            }
        });
    });
  
});
</script>






        

	      

	    

	  

	  

	    
      
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          原文地址：https://www.cnblogs.com/mysql-dba/p/6900692.html