尝试一些这样的操作
HTML
<span class="file-wrapper">
<input type="file" name="photo" id="photo" />
<span class="button">Choose a File</span>
</span>
CSS
.file-wrapper {
cursor: pointer;
display: inline-block;
overflow: hidden;
position: relative;
}
.file-wrapper input {
cursor: pointer;
font-size: 100px;
filter: alpha(opacity=1);
-moz-opacity: 0.01;
opacity: 0.01;
position: absolute;
right: 0;
top: 0;
}
.file-wrapper .button {
background: #333;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
color: #fff;
cursor: pointer;
display: inline-block;
font-size: 11px;
font-weight: bold;
margin-right: 5px;
padding: 4px 18px;
text-transform: uppercase;
}
演示