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上傳圖片並展示出來

效果:

程式碼:

<html>

<head>
    <title>嘗試</title>
    <script src="js/jquery.js"></script>
</head>

<body>

    <div class="layui-form-item">
        <label class="layui-form-label">圖片地址</label>
        <div class="layui-input-block">
<input type="hidden" id="img_url"> <input type="file" onchange="showImg()" id="img_file"><img src="" alt="" id="img_id" style="width: 100px"> </div> </div> </body> </html> <script type="text/javascript"> function showImg() {
var file = document.getElementById('img_file').files[0]; var re = new FileReader(); re.readAsDataURL(file); re.onload = function(re) { console.log(re) $('#img_id').attr("src", re.target.result); } } </script>

參考:https://blog.csdn.net/yzwdzkn/article/details/99876499