武林高手在线相册
实例
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <style> .warp { width: 360px; height: auto; background-color: #efefef; border: 3px double grey; color: #363636; border-radius: 2%; } .warp .header { padding: 15px; } .warp .header h2 { text-align: center; } .add { width: 100px; height: 30px; border: none; cursor: pointer; background-color: skyblue; color: white; } .add:hover { background-color: orange; font-size: 1.1rem; } .main { overflow: hidden; } .main ul { padding: 0; margin: 0; } .main ul li { list-style-type: none; float: left; margin-left: 20px; margin-bottom: 10px; width: 150px; height: 200px; text-align: center; } .main ul li button { margin: 3px; border: none; border-radius: 5%; background-color: lightgreen; } .main ul li button:hover { background-color: orange; color: white; cursor: pointer; } </style> <body> <div class="warp"> <div class="header"> <h3>武林高手在线相册</h3> <p> <label for="img_url">输入图片地址</label> <input type="file" name="img_url" id="img_url" placeholder="图片地址"> </p> <p> 图片类型: <input type="radio" id="rect" name="border" value="0"><label for="rect">直角</label> <input type="radio" id="radius" name="border" value="10%"><label for="radius">圆角</label> <input type="radio" id="circle" name="border" value="50%"><label for="circle">圆形</label> </p> <p> 是否添加阴影: <select name="shadow"> <option value="0">不添加</option> <option value="1">添加</option> </select> </p> <p><button class="add">添加图片</button></p> </div> <div class="main"> <ul> </ul> </div> </div> <script src="../lib/jquery.js"></script> <script> $(function () { $('button.add').on('click',function () { //1. 获取图片的相关信息 // 判断用户是否选择了图片? let img_url = $('#img_url').val(); if (img_url.length === 0){ alert('请选择一张图片'); $('#img_url').focus(); return false; } //获取图片的基本特征 //获取到图片的外观 let img_type = $(':radio:checked').val(); let shadow = 'none'; //是否添加阴影? if ($(':selected').val() === '1'){ shadow = '3px 3px 3px #666'; } // console.log('http://zaza.com/0918/作业/images/'+img_url.split('\\')[2]); img_url = 'http://zaza.com/0918/作业/images/'+img_url.split('\\')[2]; //创建一个图片 let img = $('<img>') .attr('src',img_url) .width(150) .height(150) .css({ 'border-radius': img_type, 'box-shadow': shadow }); let before = $('<button></button>').text('前移'); let after = $('<button></button>').text('后移'); let remove = $('<button></button>').text('删除'); // 创建一个<li>用来放所有的内容 let contaier = $('<li>'); //将图片和三个按钮打包到<li>中 contaier.append(img,before,after,remove); //将<li>添加到页面中的<ul>中 $('ul').append(contaier); //3. 为三个操作添加功能 //前移功能: before.click(function () { //第一步获取到要移动的图片 let current = $(this).parent(); let prev = current.prev(); prev.before(current); }); //后移功能: after.click(function () { let current = $(this).parent(); let next = current.next(); next.after(current); }); //删除 remove.click(function () { $(this).parent().remove(); return false; }); }) }); </script> </body> </html>
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总结:jquey还是很复杂的!