<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>photo</title>
<script type="text/javascript">
var reader = new FileReader();
function f_change(file){
var img = document.getElementById('imgSdf');
reader.onload = function(evt){
img.src = evt.target.result;
}
reader.readAsDataURL(file.files[0]);
}
</script>
<style>
/*样式1*/
.a-upload {
padding: 4px 10px;
height: 20px;
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
}
.a-upload input {
position: absolute;
font-size: 100px;
right: 0;
top: 0;
opacity: 0;
filter: alpha(opacity=0);
cursor: pointer
}
.a-upload:hover {
color: #444;
background: #eee;
border-color: #ccc;
text-decoration: none
}
/*样式2*/
.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 style="padding: 10px">
<div align="center">
<a href="javascript:;" class="a-upload">
<input type="file" name="" id="" onchange="f_change(this);">点击这里上传文件
</a>
<a href="javascript:;" class="file">选择文件
<input type="file" name="" id="" onchange="f_change(this);">
</a>
</div>
<div>
<img id="imgSdf">
</div>
</body>
</html>
<html>
<head>
<title>photo</title>
<script type="text/javascript">
//JS file 图片 即选即得 显示
//创建一个FileReader对象
var reader = new FileReader();
function f_change(file){
var img = document.getElementById('imgSdf');
//读取File对象的数据
reader.onload = function(evt){
//data:img base64 编码数据显示
//img.width = "500";
// img.height = "500";
img.src = evt.target.result;
}
reader.readAsDataURL(file.files[0]);
}
</script>
</head>
<body>
<div align="center">
<input type="file" name="sdfFile" id="sdfFile" onchange="f_change(this);"><br><br>
<img id="imgSdf">
</div>
</body>
</html>