html代码
<form action=""method="post"enctype="multipart/form-data"> <a href="#" class="a-upload"><input type="file" name="file" id="file">点击这里上传图片</a> </form>
css代码
.a-upload {
padding: 4px 10px;
width: 200px;
height: 30px;
box-sizing: border-box;
line-height: 20px;
position: relative;
cursor: pointer;
color: #888;
background: #fafafa;
border: 1px solid #ddd;
border-radius: 4px;
overflow: hidden;
display: inline-block;
*display: inline;
*zoom: 1;
top: 5px;
}
.a-upload input {
position: absolute;
font-size: 100px;
opacity: 0;
filter: alpha(opacity=0);
cursor: pointer;
width: 200px;
height: 30px;
left: 0;
top: 0;
}
.a-upload:hover {
color: #444;
background: #eee;
border-color: #ccc;
text-decoration: none
}结果
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