我有这个html代码
<head>
<link rel="stylesheet" href="./Depd/bootstrap.min.css">
</head>
<body>
<div class="input-group">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile04" aria-describedby="inputGroupFileAddon04">
<label class="custom-file-label" for="inputGroupFile04">Choose file</label>
</div>
<div class="input-group-append">
<button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon04">Button</button>
</div>
</div>
<script src="./Depd/jquery.slim.min.js">
</script>
<script src="./Depd/popper.min.js"></script>
<script src="./Depd/bootstrap.min.js"></script>
</body>
答案 0 :(得分:1)
您将需要使用一些JavaScript。我将指导您完成这些步骤:首先检测文件何时上传,然后获取文件名并使用文件名更新标签内容。下面是一个简单的示例。
let input = document.getElementById("inputGroupFile04");
let label = document.querySelector("label[for='inputGroupFile04']");
input.addEventListener("change", e => {
label.innerText = input.value.split(`C:\\fakepath\\`)[1];
});
<head>
<link rel="stylesheet" href="./Depd/bootstrap.min.css">
</head>
<body>
<div class="input-group">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile04" aria-describedby="inputGroupFileAddon04">
<label class="custom-file-label" for="inputGroupFile04">Choose file</label>
</div>
<div class="input-group-append">
<button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon04">Button</button>
</div>
</div>
<script src="./Depd/jquery.slim.min.js">
</script>
<script src="./Depd/popper.min.js"></script>
<script src="./Depd/bootstrap.min.js"></script>
</body>
如果您需要更多说明,请随时询问。