直接代碼展示，
<html>
<head>
<style type="text/css">
.file {
position: relative;
display: inline-block;
background: #D0EEFF;
border: 1px solid #99D3F5;
border-radius: 4px;
padding: 4px 12px;
overflow: hidden;
color: #1E88C7;
text-decoration: none;
text-indent: 0;
line-height: 20px;
}
.file input {
position: absolute;
font-size: 100px;
right: 0;
top: 0;
opacity: 0;
}
.file:hover {
background: #AADFFD;
border-color: #78C3F3;
color: #004974;
text-decoration: none;
}
</style>
</head>
<body>
<input disabled="disable" id="fileName" >
<a href="javascript:;" class="file" >上傳
<input name="fileUrl" id="fileUrl" type="file" οnchange="document.getElementById('fileName').value=this.files[0].name" required>
</a>
</body>
</html>
實現的截圖如下：
知識要點：
只獲取文件名
document.getElementById('fileField').files[0].name
獲取帶路徑的文件名
document.getElementById('fileField').value