<img src="https://alldata.sgp1.digitaloceanspaces.com/images/external_link.png" class="icon_external">
<!DOCTYPE html>
<html lang="zh-Hant" dir="ltr">
<head>
<meta charset="utf-8">
<title></title>
<style>
#file_input{
border: 1px solid red;
/* display: none; */
}
#file_name{
border: 1px solid blue;
display: inline-block;
min-width: 50px;
height: 18px;
}
#img_block{
border: 1px solid black;
}
.small_width{
width: 100px;
}
</style>
</head>
<body>
<input type="file" id="file_input">
<button type="button" id="choose_file">選取檔案</button>
<div id="img_block">
選擇的檔案：
<span id="file_name"></span><br>
</div>
<script>
</script>
</body>
</html>