<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>多张图片上传</title>
    <style>
        .main {
            width: 80%;
            margin: auto;
        }

        * {
            padding: 0;
            margin: 0;
        }

        .btn {
            padding: 9px 18px;
            background: #40AFFE;
            color: #FFFFFF;
            border-radius: 5px;
        }

        .upimg {
            position: relative;
            width: 100px;
            height: 100px;
            border-radius: 5px;
            border: dashed #999999;
            background: url(img/addimg.svg) no-repeat;
            background-position: 33px;
        }

        .upimg input {
            position: absolute;
            width: 100px;
            height: 100px;
            opacity: 0;
        }

        #showui {
            display: flex;
            justify-content: flex-start;
        }

        #showui li {
            width: 150px;
            height: 150px;
            position: relative;
            overflow: hidden;
            display: inline-block;
            margin-right: 5px;
        }

        #showui li img.showimg {
            position: absolute;
            text-align: center;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 6;
        }

        .showdiv {
            position: absolute;
            z-index: 9;
            bottom: 0;
            width: calc(100% - 20px);
            padding: 10px;
            display: flex;
            justify-content: space-around;
            background: rgba(0, 0, 0, .6);
        }

        .showdiv img {
            width: 20px;
            height: 20px;
            cursor: pointer;
        }

        #showui li:first-child img.left {
            opacity: .6;
            cursor: no-drop;
        }

        #showui li:last-child img.right {
            opacity: .6;
            cursor: no-drop;
        }

        .oneright {
            opacity: .6;
            cursor: no-drop !important;
        }
    </style>
</head>

<body>
<div class="main">
    <div id="showimg">
        <ul id="showui">
        </ul>

        <div id="showinput">

        </div>
    </div>
    <div class="upimg">
        <input type="file" id="upgteimg" value="" multiple/>
    </div>

    <button class="btn" id="submit">开始上传</button>
</div>
<script src="http://www.jq22.com/jquery/jquery-1.10.2.js"></script>

<script type="text/javascript" src="js/updateimg.js"></script>
</body>

</html>