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index.html
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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Picture upload</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.2.0/css/bootstrap.min.css">
<style type="text/css">
.blog-title {
border: 1px solid #fff;
border-left: 0;
border-right: 0;
display: inline-block;
font-size: 60px;
font-weight: 700;
line-height: 108px;
letter-spacing: 2px;
margin: 0 auto;
padding: 0 58px;
position: relative;
width: auto;
}
#logo {
padding: 88px;
position: relative;
text-align: center;
padding-bottom: 20px;
height: 57%;
}
html,body,#wrap{
background-color: #6e4c96;
height:100%;
padding: 0;
margin: 0;
}
.upmodel{
background-color: #eaeaea;
height: 43%;
}
h1,h3{
color: #ffffff;
}
#uploadForm{
margin-left: 40%;
}
#btn-sub{
width: 261px;
height: 63px;
background-color: #6e4c96;
}
#Subs{
color: #ffffff;
font-size: 28px;
}
#InputFile{
width: 87%;
}
#InputFilelab{
width: 12%;
}
.form-group{
padding-top: 35px;
/*padding-left: 15px;*/
}
.icons{
padding-top: 10px;
}
.fileinput-button {
position: relative;
overflow: hidden;
}
.btn-subs {
color: #fff;
background-color: #6e4c96;
border-color: #6e4c96;
width: 261px;
height: 63px;
font-size: 23px;
}
.fileinput-button input {
position: absolute;
top: 0;
right: 0;
margin: 0;
opacity: 0;
-ms-filter: 'alpha(opacity=0)';
font-size: 200px;
direction: ltr;
cursor: pointer;
}
#btnwrap{
margin-top:50px;
}
#imgwrap{
}
#ImgPr{
width: 0px;
height: 0px;
margin-top: 0px;
margin-left: 70px;
margin-bottom: 30px;
}
#urlwrap{
margin-left: -167px;
width: 0px;
height: 0px;
display: none;
}
#panel-up{
color: #ffffff;
background-color: #6e4c96;
border-color: #6e4c96;
}
</style>
<script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script type="text/javascript">
jQuery.fn.extend({
uploadPreview: function (opts) {
var _self = this, _this = $(this);
opts = jQuery.extend({
Img: "ImgPr",
Width: 100,
Height: 100,
ImgType: [ "jpg", "png"],
Callback: function () { }
}, opts || {});
_self.getObjectURL = function (file) {
var url = null;
if (window.createObjectURL != undefined) {
url = window.createObjectURL(file);
} else if (window.URL != undefined) {
url = window.URL.createObjectURL(file);
} else if (window.webkitURL != undefined) {
url = window.webkitURL.createObjectURL(file);
}
return url;
}
_this.change(function () {
if (this.value) {
if (!RegExp("\.(" + opts.ImgType.join("|") + ")$", "i").test(this.value.toLowerCase())) {
alert("选择文件错误,图片类型必须是" + opts.ImgType.join("，") + "中的一种");
this.value = "";
return false;
}
if (navigator.userAgent.indexOf("MSIE") > -1) {
try {
$("#" + opts.Img).attr('src', _self.getObjectURL(this.files[0]));
} catch (e) {
var src = "";
var obj = $("#" + opts.Img);
var div = obj.parent("div")[0];
_self.select();
if (top != self) {
window.parent.document.body.focus();
} else {
_self.blur();
}
src = document.selection.createRange().text;
document.selection.empty();
obj.hide();
obj.parent("div").css({
'filter': 'progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)',
'width': opts.Width + 'px',
'height': opts.Height + 'px'
});
div.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = src;
}
} else {
$("#" + opts.Img).attr('src', _self.getObjectURL(this.files[0]));
}
opts.Callback();
$('#ImgPr').css("display","inherit");
$('#ImgPr').css("width","120px");
$('#ImgPr').css("height","120px");
$('#btnwrap').css("display","none");
$('#btnwrap').css("width","0px");
$('#btnwrap').css("height","0px");
$('#urlwrap').css("display","none");
$('#urlwrap').css("width","0px");
$('#urlwrap').css("height","0px");
$('#btn-sub').css("display","inherit");
}
});
}
});
</script>
<script>
$(function() {
$("#fileupload").uploadPreview({ Img: "ImgPr", Width: 120, Height: 120 });
});
</script>
</head>
<body>
<div id="wrap">
<header id="logo" class="container">
<div class="row">
<div class="col-lg-8 col-lg-push-2">
<h1 class="blog-title">
Put your pics
</h1>
<h3 class="blog-desc">
This is a simple, but powerful picture hosted platform that allows you to share your pictures with the world.
</h3>
</div>
</div>
</header>
<div class="upmodel">
<form id="uploadForm" method="POST" enctype="multipart/form-data" action="/upload/" role="form">
<div class="form-group ">
<div id="urlwrap" class="panel panel-success">
<div class="panel-heading " id ="panel-up">
<h3 class="panel-title">文件上传成功 url:</h3>
</div>
<div class="panel-body">
<p id = "urls"></p>
</div>
</div>
<div id="imgwrap">
<img id="ImgPr"style="display: none;" /></div>
<span class="btn btn-subs fileinput-button" id="btnwrap">
<i class="glyphicon glyphicon-plus icons"></i>
<span>选择图片</span>
<input id="fileupload" type="file" name="file">
</span>
</div>
<button type="submit" class="btn" id="btn-sub" style="display:none"><span id="Subs">上传</span></button>
</form>
</div>
</div>
<script type="text/javascript">
$('#uploadForm').submit(function (e) {
e.preventDefault();
var fileObj = document.getElementById("fileupload").files[0]; // 获取文件对象
console.log(fileObj);
var FileController = "/upload/"; // 接收上传文件的后台地址
// FormData 对象
var form = new FormData();
form.append("file", fileObj); // 文件对象
// XMLHttpRequest 对象
var xhr = new XMLHttpRequest();
xhr.open("post", FileController, true);
var oldsrc = document.getElementById("ImgPr").src;
//document.getElementById("ImgPr").src="http://www.lanrentuku.com/savepic/img/allimg/1212/5-121204193R0.gif";
xhr.onload = function () {
document.getElementById("ImgPr").src=oldsrc;
$('#ImgPr').css("display","none");
$('#ImgPr').css("width","0px");
$('#ImgPr').css("height","0px");
$('#btnwrap').css("display","inherit");
$('#btnwrap').css("width","263px");
$('#btnwrap').css("height","63px");
$('#btn-sub').css("display","none");
$('#urlwrap').css("display","inherit");
$('#urlwrap').css("width","600px");
$('#urlwrap').css("height","100px");
var strurl = "http://icpc.njust.edu.cn/";//window.location.href;
$('#urls').html(strurl.substring(0,strurl.length-1)+ xhr.responseText);
};
xhr.send(form);
})
</script>
</body>
</html>