jq ie8+ 图片上传回显

ゝ一世哀愁。 2022-04-05 02:59 167阅读 0赞

<!DOCTYPE html>
    <html lang="en">
    <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>Document</title>
        
        <script src="../js/jq1.4.3.js"></script>
    </head>
    <style>
        #prevPic{
            width: 100px;
            height: 100px;
        }
        .img-wrap{max-width: 200px;
        }
    </style>
    <body>
        <p class="img-wrap" >
            <img name="prevPic" id="prevPic" src="" />
            <input name="uploadImage" id="uploadImage" type="file" />
        </p>
        
        <script type="text/javascript">
            $('#uploadImage').change(function (e) {
                var e = event||widow.event;
                if (navigator.userAgent.indexOf('MSIE 8') >= 0 || navigator.userAgent.indexOf('MSIE 9') >= 0) {
                    $(this).select();
                    window.parent.document.body.focus();
                    var realpath = document.selection.createRange().text;
                    $(this).parent().css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true',src=\"" + realpath + "\",sizingMethod=scale)");
                }
                else {
                    var file = e.target.files[0];
                    var reader = new FileReader();
                    var targetId = e.target.id;
                    reader.readAsDataURL(file);
                    reader.onload = function () {
                        var picString = reader.result;
                        $("#prevPic").attr({ "src": picString }).show();
                    };
                }
            });
        </script>
    </body>
    </html>