HTML代码如下:
<!--
date: 2018-04-27 14:41:35
author: 王召波
descride: HTML5上传图片预览功能
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>HTML5上传图片预览功能</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.js"></script>
<style type="text/css">
#feedback{
min-height: 200px;
text-align: center;
border: 1px solid silver;
border-radius: 3px;
}
#feedback img{
margin:3px 10px;
border: 1px solid silver;
border-radius:3px;
padding: 6px;
width: 35%;
height: 85%;
}
#feedback p{
font-family: "微软雅黑";
line-height: 120px;
color: #ccc;
}
.file {
position: relative;
display: inline-block;
border: 1px solid #1ab294;
border-radius: 4px;
padding: 8px 16px;
overflow: hidden;
color: #fff;
text-decoration: none;
text-indent: 0;
line-height: 20px;
color: #1ab294;
} .file input {
position: absolute;
font-size: 100px;
right: 0;
top: 0;
opacity: 0;
}
.box{
margin-top: 10px;
text-align: center;
}
.box a{
margin-left: 10px;
}
</style>
</head>
<body>
<!-- 响应返回数据容器 -->
<div id="feedback">
</div>
<div class="box">
<a href="javascript:;" class="file">选择图片
<input type="file" id="inputfile" name="" class="photo">
</a>
<a href="javascript:;" class="file close">重新选择
<input type="buttom" class="photo">
</a>
</div>
<script type="text/javascript">
$(function () {
$("#inputfile").change(function (e) {
var imgURL = '';
var file = e.target.files[0] || e.dataTransfer.files[0];
if (file) {
try{
try{
imgURL = file.getAsDataURL();
}catch(e){
imgURL = window.URL.createObjectURL(file);
}
}catch(e){
var reader = new FileReader();
reader.onload = function () {
imgURL = this.result;
}
reader.readAsDataURL(file);
}
$("#feedback").append('<img src="'+imgURL+'">');;
}
});
})
</script>
</body>
</html>
效果图: