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多圖片上傳--可刪除

<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <title>多圖片上傳</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        /*圖片上傳*/
        
        html,
        body {
            width: 100%;
            height: 100%;
        }
        
        .container {
            width: 100%;
            height: 100%;
            overflow: auto;
            clear: both;
        }
        
        .z_photo {
            width: 5rem;
            height: 5rem;
            padding: 0.3rem;
            overflow: auto;
            clear: both;
            margin: 1rem auto;
            border: 1px solid #555;
        }
        
        .z_photo img {
            width: 1rem;
            height: 1rem;
        }
        
        .z_addImg {
            float: left;
            margin-right: 0.2rem;
        }
        
        .z_file {
            width: 1rem;
            height: 1rem;
            background: url(z_add.png) no-repeat;
            background-size: 100% 100%;
            float: left;
            margin-right: 0.2rem;
        }
        
        .z_file input::-webkit-file-upload-button {
            width: 1rem;
            height: 1rem;
            border: none;
            position: absolute;
            outline: 0;
            opacity: 0;
        }
        
        .z_file input#file {
            display: block;
            width: auto;
            border: 0;
            vertical-align: middle;
        }
        /*遮罩層*/
        
        .z_mask {
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, .5);
            position: fixed;
            top: 0;
            left: 0;
            z-index: 999;
            display: none;
        }
        
        .z_alert {
            width: 3rem;
            height: 2rem;
            border-radius: .2rem;
            background: #fff;
            font-size: .24rem;
            text-align: center;
            position: absolute;
            left: 50%;
            top: 50%;
            margin-left: -1.5rem;
            margin-top: -2rem;
        }
        
        .z_alert p:nth-child(1) {
            line-height: 1.5rem;
        }
        
        .z_alert p:nth-child(2) span {
            display: inline-block;
            width: 49%;
            height: .5rem;
            line-height: .5rem;
            float: left;
            border-top: 1px solid #ddd;
        }
        
        .z_cancel {
            border-right: 1px solid #ddd;
        }

    </style>
</head>

<body>

    <div class="container">
        <!--    照片新增    -->
        <div class="z_photo">
            <div class="z_file">
                <input type="file" name="file" id="file" value="" accept="image/*" multiple onchange="imgChange('z_photo','z_file');" />
            </div>

        </div>

        <!--遮罩層-->
        <div class="z_mask">
            <!--彈出框-->
            <div class="z_alert">
                <p>確定要刪除這張圖片嗎?</p>
                <p>
                    <span class="z_cancel">取消</span>
                    <span class="z_sure">確定</span>
                </p>
            </div>
        </div>
    </div>


    <script type="text/javascript">
        //px轉換為rem
        (function(doc, win) {
            var docEl = doc.documentElement,
                resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
                recalc = function() {
                    var clientWidth = docEl.clientWidth;
                    if (!clientWidth) return;
                    if (clientWidth >= 750) {
                        docEl.style.fontSize = '100px';
                    } else {
                        docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';
                    }
                };

            if (!doc.addEventListener) return;
            win.addEventListener(resizeEvt, recalc, false);
            doc.addEventListener('DOMContentLoaded', recalc, false);
        })(document, window);

        function imgChange(obj1, obj2) {
            //獲取點選的文字框
            var file = document.getElementById("file");
            //存放圖片的父級元素
            var imgContainer = document.getElementsByClassName(obj1)[0];
            //獲取的圖片檔案
            var fileList = file.files;
            //文字框的父級元素
            var input = document.getElementsByClassName(obj2)[0];
            var imgArr = [];
            //遍歷獲取到得圖片檔案
            for (var i = 0; i < fileList.length; i++) {
                var imgUrl = window.URL.createObjectURL(file.files[i]);
                imgArr.push(imgUrl);
                var img = document.createElement("img");
                img.setAttribute("src", imgArr[i]);
                var imgAdd = document.createElement("div");
                imgAdd.setAttribute("class", "z_addImg");
                imgAdd.appendChild(img);
                imgContainer.appendChild(imgAdd);
            };
            imgRemove();
        };

        function imgRemove() {
            var imgList = document.getElementsByClassName("z_addImg");
            var mask = document.getElementsByClassName("z_mask")[0];
            var cancel = document.getElementsByClassName("z_cancel")[0];
            var sure = document.getElementsByClassName("z_sure")[0];
            for (var j = 0; j < imgList.length; j++) {
                imgList[j].index = j;
                imgList[j].onclick = function() {
                    var t = this;
                    mask.style.display = "block";
                    cancel.onclick = function() {
                        mask.style.display = "none";
                    };
                    sure.onclick = function() {
                        mask.style.display = "none";
                        t.style.display = "none";
                    };

                }
            };
        };
    </script>
</body>
</html>

在這裡插入圖片描述