• jQuery写放大镜效果


    <!DOCTYPE html>
    <html lang="zh">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>jq放大镜</title>
        <style type="text/css">
            *{margin:0;padding:0;}
            .container{
                
                width:1000px;
                margin:50px auto;
            
            }
            .min{
                width:400px;
                height: auto;
                float: left;
            }
            .top{
                width:400px;
                height: 300px;
                position: relative;
            }
            b{
                width:180px;
                height:180px;
                background: blue;
                opacity: 0.5;
                position: absolute;
                left:0px;
                top:0px;
                display: none;
            }
            .bottom{
            
                width:400px;
                height:60px;
                margin-top:20px;
            }
            .left{
                width:10px;
                height:45px;
                float: left;
            }
            .item{
                float: left;
            }
            .item ul{
                width:370px;
                list-style: none;
                margin-left:10px;
            }
            .item ul li{
                margin-left:5px;
                float:left;
            }
            .item ul li img{
                width:60px;
                height:45px;
                border: 1px solid #ccc;
                padding:2px;
            }
            .right{
                width:10px;
                height:45px;
                float: left;
            }
            .max{
                width:400px;
                height: 300px;
                float: right;
                overflow: hidden;
                display: none;
                position: relative;
            }
            .max img{
                width:800px;
                height: 600px;
                position: absolute;
                left: 0;
                top: 0;
            }
            .item ul li img.bg{
                border:2px solid orange;
            }
        </style>
    </head>
    <body>
        <div class="container">
                
                <div class="min">
                    <div class="top">
                        <img src="fangdajingImg/1.jpg" alt="">
                        <b></b>
                    </div>
                    <div class="bottom">
                        <div class="left"><img src='fangdajingImg/left.gif'></div>
                        <div class="item">
                            <ul>
                                <li><img src='fangdajingImg/1.jpg' class="bg"></li>
                                <li><img src='fangdajingImg/2.jpg'></li>
                                <li><img src='fangdajingImg/3.jpg'></li>
                                <li><img src='fangdajingImg/4.jpg'></li>
                                <li><img src='fangdajingImg/5.jpg'></li>
                            </ul>
                        </div>
                        <div class="right"><img src='fangdajingImg/right.gif'></div>
                    </div>
                    
                </div>
                <div class="max">
                    <img src="fangdajingImg/1.jpg" alt="">
                </div>
                
            </div>
    </body>
            <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script>
            <script>
                $(function(){
                    $('.item ul li img').click(function(){
                        $(this).addClass('bg').parent().siblings().find('img').removeClass('bg')
                        $('.top img').attr('src',$(this).attr('src'))
                        $('.max img').attr('src',$(this).attr('src'))
                    })
                    $('.top').mousemove(function(e){
                        $('b').show()
                        $('.max').show()
                        var x=e.pageX-$(this).offset().left-$('b').width()/2
                        var y=e.pageY-$(this).offset().top-$('b').height()/2
                        var width=$(this).width()-$('b').width()
                        var height=$(this).height()-$('b').height()
                        if(x<0){
                            x=0
                        }else if(x>width){
                            x=width
                        }
                        if(y<0){
                            y=0
                        }else if(y>height){
                            y=height
                        }
                        $('b').css({
                            'left':x,
                            'top':y
                        })
                        $('.max img').css({
                            'left':-2*x,
                            'top':-2*y
                        })
                    })
                })
            </script>
    </html>
  • 相关阅读:
    MariaDB + Visual Studio 2017 环境下的 ODBC 入门开发
    CUDA 9.1/9.2 与 Visual Studio 2017 (VS2017 15.6.4) 的不兼容问题
    用 SDL2 在屏幕上打印文本
    用 SDL2 处理精灵图
    用 SDL2 进行事件驱动编程
    用 SDL2 加载PNG平铺背景并显示前景
    用 SDL2 平铺背景并显示前景
    用 SDL2 显示一张图片
    VPS 安全措施(CentOS 6)
    Hello World!
  • 原文地址:https://www.cnblogs.com/yueranran/p/13042206.html
Copyright © 2020-2023  润新知