HTML自定义文件上传按钮
效果：
HTML：
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
| <!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>文件上传测试</title>
</head>
<style type="text/css">
.div1_inputstyle {
font-family: Microsoft Yahei;
float: left;
height: 41px;
background: #f5696c;
width: 144px;
position: relative;
}
.div2_inputstyle {
color: white;
text-align: center;
padding-top: 12px;
font-size: 15px;
font-weight: 800;
}
.inputstyle {
width: 144px;
height: 41px;
cursor: pointer;
font-size: 30px;
outline: medium none;
position: absolute;
filter: alpha(opacity=0);
-moz-opacity: 0;
opacity: 0;
left: 0px;
top: 0px;
}
</style>
<body>
<div class="div1_inputstyle">
<div class="div2_inputstyle">上传文件</div>
<input type="file" class="inputstyle" id="file_input">
</div>
</body>
<script>
document.getElementById("file_input").addEventListener("change",function()
{
var uploadFile = document.getElementById("file_input");
if(uploadFile.value==""){
return;
}
var fReader = new FileReader();
var file = uploadFile.files[0];
fReader.onload=function(e){
var data = e.target.result;
console.log("-----file data-----\n",data)
}
fReader.readAsBinaryString(file);
});
</script>
</html>
|