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动态相册管理器

桃儿的博客
桃儿的博客原创
2019年05月26日 17:13:37817浏览

动态相册管理器

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>动态相册管理器</title>
    <style>
        .warp {
            width: 360px;
            height: auto;
            background-color: linen;
            border: 3px double grey;
            color: #363636;
            border-radius: 2%;
            box-shadow: 2px 2px 2px #888;
        }
        .warp .header {
            padding: 15px;
        }
        .warp .header h2 {
            text-align: center;
        }
        .add {
            width: 100px;
            height: 30px;
            border: none;
            cursor: pointer;
            background-color: deepskyblue;
            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: deepskyblue;
        }
        .main ul li button:hover {
            background-color: orange;
            color: white;
            cursor: pointer;
        }

    </style>
</head>
<body>
<div class="warp">
    <div class="header">
        <h2>动态相册管理器</h2>
        <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" checked><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>
            <label for="shadow">是否添加阴影:</label>
            <select name="shadow" id="shadow">
                <option value="0" selected>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>
                        <!--<li>-->
                            <!--<img src="http://html.io/0521/static/images/2.jpg" alt="" width="150">-->
                            <!--<button>前移</button>-->
                            <!--<button>后移</button>-->
                            <!--<button>删除</button>-->
                        <!--</li>-->
        </ul>
    </div>
</div>

<script src="static/js/jquery-3.4.1.js"></script>
<script>
    $(function () {
        //分三步完成
        $('.add').on('click',function () {
            //1.获取图片信息
            //判断用户是否选择了图片?
            var img_url=$('#img_url').val();
            if(img_url.length===0){
                alert('请选择一张图片上传');
                $('#img_url').focus();
                return false;
            }
            //获取图片的外观特征
            var img_type = $('input[type="radio"]:checked').val();
            var shadow='none';
            if($(':selected').val()===1){
                shadow='2px 2px 2px #888';
            }
            //2.创建图片并添加到页面中
            // console.log(img_url);
            //split():将字符串按指定字符切割为数组
            // console.log(img_url.split('\\')[2]);
            var realImgUrl=img_url.split('\\')[2];
            img_url='http://html.io/0521/static/images/'+realImgUrl;
            // console.log(img_url);

            //创建图片与按钮,并打包到一个容器中,添加到页面中
            var img=$('<img>').attr({
                src:img_url,
                width:150,
                height:150,
                alt:'明星相册'
            }).css({
                'border-radius':img_type,
                'box-shadow':shadow
            });
            //三个操作按钮
            var before=$('<button>').text('前移');
            var after=$('<button>').text('后移');
            var remove=$('<button>').text('删除');

            var container=$('<li>');
            container.append(img,before,after,remove);
            container.appendTo('ul');

            //为三个按钮添加功能
            //前移
            before.on('click',function () {
                //先拿到要移动的图片
                var current=$(this).parent();
                var prev=current.prev();
                prev.before(current);
            });
            //后移
            after.on('click',function () {
                //先拿到要移动的图片
                var current=$(this).parent();
                var next=current.next();
                next.after(current);
            });
            //删除
            remove.on('click',function () {
                if(confirm("真的不要我了吗?")){
                    $(this).parent().remove();
                }
            })
        })
    })
</script>
</body>
</html>

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