asp.net mvc 多图片上传
插件使用是 webuploader,可自己网上下载
点击按钮打开一个新页面进行多图片上传,最后返回结果
这里相当打开一个新页面 传递参数,实际打开新页面根据自己项目进行修改
下面是实现图片上传所需的HTML以及js
<link rel="shortcut icon" href="images/favicon.ico">
<link href="~/Scripts/webuploader/css/bootstrap.min.css" rel="stylesheet" />
<link href="~/Scripts/webuploader/css/font-awesome.min.css" rel="stylesheet" />
<link href="~/Scripts/webuploader/css/style.css" rel="stylesheet" />
<link href="~/Scripts/webuploader/css/syntax.css" rel="stylesheet" />
<link href="~/Scripts/webuploader/css/webuploader.css" rel="stylesheet" />
<link href="~/Scripts/webuploader/css/demo.css" rel="stylesheet" />
<script type="text/javascript">
//编辑/新增提交
var ID = $.request("ID");
var IMGID = $.request("IMGID");
function submitForm() {
//获取的ID
var hd_id = $("#hd_id").val();
if (hd_id != "") {
top.Form.$('#' + ID).val(hd_id);
top.Form.$('#' + IMGID).attr("src", hd_id)
$.modalClose();
} else {
alert("图片路径不能为空!");
}
}
</script>
<div id="post-container" class="container">
<input type="hidden" id="hd_id" />
<div id="uploader" class="wu-example">
<div class="queueList">
<div id="dndArea" class="placeholder">
<div id="filePicker"></div>
<p>或将照片拖到这里,单次最多可选1张</p>
</div>
</div>
<div class="statusBar" style="display:none;">
<div class="progress">
<span class="text">0%</span>
<span class="percentage"></span>
</div><div class="info"></div>
<div class="btns">
<div id="filePicker2"></div><div class="uploadBtn">开始上传</div>
</div>
</div>
</div>
</div>
<script type="text/javascript">
// 添加全局站点信息
var BASE_URL = '../webuploader';
// 添加全局站点信息
// var BASE_URL = '~/Scripts/webuploader';
jQuery(function () {
var $ = jQuery, // just in case. Make sure it's not an other libaray.
$wrap = $('#uploader'),
// 图片容器
$queue = $('<ul class="filelist"></ul>')
.appendTo($wrap.find('.queueList')),
// 状态栏,包括进度和控制按钮
$statusBar = $wrap.find('.statusBar'),
// 文件总体选择信息。
$info = $statusBar.find('.info'),
// 文件放大查看信息。
// $BigImg = $statusBar.find('.bigimgview'),
// 文件放大查看信息。
// $DeleteImg = $statusBar.find('.deleteimg'),
// 上传按钮
$upload = $wrap.find('.uploadBtn'),
// 没选择文件之前的内容。
$placeHolder = $wrap.find('.placeholder'),
// 总体进度条
$progress = $statusBar.find('.progress').hide(),
// 添加的文件数量
fileCount = 0,
// 添加的文件总大小
fileSize = 0,
// 优化retina, 在retina下这个值是2
ratio = window.devicePixelRatio || 1,
// 缩略图大小
thumbnailWidth = 110 * ratio,
thumbnailHeight = 110 * ratio,
// 可能有pedding, ready, uploading, confirm, done.
state = 'pedding',
// 所有文件的进度信息,key为file id
percentages = {},
supportTransition = (function () {
var s = document.createElement('p').style,
r = 'transition' in s ||
'WebkitTransition' in s ||
'MozTransition' in s ||
'msTransition' in s ||
'OTransition' in s;
s = null;
return r;
})(),
// WebUploader实例
uploader;
if (!WebUploader.Uploader.support()) {
alert('Web Uploader 不支持您的浏览器!如果你使用的是IE浏览器,请尝试升级 flash 播放器');
throw new Error('WebUploader does not support the browser you are using.');
}
// 实例化
uploader = WebUploader.create({
pick: {
id: '#filePicker',
label: '点击选择图片'
},
dnd: '#uploader .queueList',
paste: document.body,
accept: {
title: 'Images',
extensions: 'gif,jpg,jpeg,bmp,png',
mimeTypes: 'image/jpg,image/jpeg,image/png,image/gif' //修改这行
},
// swf文件路径
swf: BASE_URL + '/js/Uploader.swf',
disableGlobalDnd: true,
chunked: true,
server: '/WebUpload/FileUpLoad/UpLoadProcess',//后台方法
deleteServer: '/image/DelImage',
fileNumLimit: 10,
fileSizeLimit: 20 * 1024 * 1024, // 200 M
fileSingleSizeLimit: 2 * 1024 * 1024 // 50 M
});
// 添加“添加文件”的按钮,
//因为此处只需要添加一张图片 如果需要多次添加可以去掉注释
//uploader.addButton({
// id: '#filePicker2',
// label: '继续添加'
//});
// 当有文件添加进来时执行,负责view的创建
function addFile(file) {
var $li = $('<li id="' + file.id + '">' +
'<p class="title">' + file.name + '</p>' +
'<p class="imgWrap"></p>' +
'<p class="progress"><span></span></p>' +
'</li>'),
$btns = $('<div class="file-panel">' +
'<span class="cancel">删除</span>' +
'<span class="rotateRight">向右旋转</span>' +
'<span class="rotateLeft">向左旋转</span></div>').appendTo($li),
$prgress = $li.find('p.progress span'),
$wrap = $li.find('p.imgWrap'),
$info = $('<p class="error"></p>'),
showError = function (code) {
switch (code) {
case 'exceed_size':
text = '文件大小超出';
break;
case 'interrupt':
text = '上传暂停';
break;
default:
text = '上传失败,请重试';
break;
}
$info.text(text).appendTo($li);
};
if (file.getStatus() === 'invalid') {
showError(file.statusText);
} else {
$wrap.text('预览中');
uploader.makeThumb(file, function (error, src) {
if (error) {
$wrap.text('不能预览');
return;
}
var img = $('<img src="' + src + '">');
$wrap.empty().append(img);
}, thumbnailWidth, thumbnailHeight);
percentages[file.id] = [file.size, 0];
file.rotation = 0;
}
file.on('statuschange', function (cur, prev) {
if (prev === 'progress') {
$prgress.hide().width(0);
} else if (prev === 'queued') {
$li.off('mouseenter mouseleave');
$btns.remove();
}
// 成功
if (cur === 'error' || cur === 'invalid') {
console.log(file.statusText);
showError(file.statusText);
percentages[file.id][1] = 1;
} else if (cur === 'interrupt') {
showError('interrupt');
} else if (cur === 'queued') {
percentages[file.id][1] = 0;
} else if (cur === 'progress') {
$info.remove();
$prgress.css('display', 'block');
} else if (cur === 'complete') {
$li.append('<span class="success"></span>');
}
$li.removeClass('state-' + prev).addClass('state-' + cur);
});
$li.on('mouseenter', function () {
$btns.stop().animate({ height: 30 });
});
$li.on('mouseleave', function () {
$btns.stop().animate({ height: 0 });
});
$btns.on('click', 'span', function () {
var index = $(this).index(),
deg;
switch (index) {
case 0:
uploader.removeFile(file);
return;
case 1:
file.rotation += 90;
break;
case 2:
file.rotation -= 90;
break;
}
if (supportTransition) {
deg = 'rotate(' + file.rotation + 'deg)';
$wrap.css({
'-webkit-transform': deg,
'-mos-transform': deg,
'-o-transform': deg,
'transform': deg
});
} else {
$wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
}
});
$li.appendTo($queue);
}
// 负责view的销毁
function removeFile(file) {
var $li = $('#' + file.id);
delete percentages[file.id];
updateTotalProgress();
$li.off().find('.file-panel').off().end().remove();
}
function updateTotalProgress() {
var loaded = 0,
total = 0,
spans = $progress.children(),
percent;
$.each(percentages, function (k, v) {
total += v[0];
loaded += v[0] * v[1];
});
percent = total ? loaded / total : 0;
spans.eq(0).text(Math.round(percent * 100) + '%');
spans.eq(1).css('width', Math.round(percent * 100) + '%');
updateStatus();
}
function updateStatus() {
var text = '', stats;
if (state === 'ready') {
text = '选中' + fileCount + '张图片,共' +
WebUploader.formatSize(fileSize) + '。';
} else if (state === 'confirm') {
stats = uploader.getStats();
if (stats.uploadFailNum) {
text = '已成功上传' + stats.successNum + '张照片至XX相册,' +
stats.uploadFailNum + '张照片上传失败,<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
}
} else {
stats = uploader.getStats();
text = '共' + fileCount + '张(' +
WebUploader.formatSize(fileSize) +
'),已上传' + stats.successNum + '张';
if (stats.uploadFailNum) {
text += ',失败' + stats.uploadFailNum + '张';
}
}
$info.html(text);
}
function setState(val) {
var file, stats;
if (val === state) {
return;
}
$upload.removeClass('state-' + state);
$upload.addClass('state-' + val);
state = val;
switch (state) {
case 'pedding':
$placeHolder.removeClass('element-invisible');
$queue.parent().removeClass('filled');
$queue.hide();
$statusBar.addClass('element-invisible');
uploader.refresh();
break;
case 'ready':
$placeHolder.addClass('element-invisible');
$('#filePicker2').removeClass('element-invisible');
$queue.parent().addClass('filled');
$queue.show();
$statusBar.removeClass('element-invisible');
uploader.refresh();
break;
case 'uploading':
$('#filePicker2').addClass('element-invisible');
$progress.show();
$upload.text('暂停上传');
break;
case 'paused':
$progress.show();
$upload.text('继续上传');
break;
case 'confirm':
$progress.hide();
$upload.text('开始上传').addClass('disabled');
stats = uploader.getStats();
if (stats.successNum && !stats.uploadFailNum) {
setState('finish');
return;
}
break;
case 'finish':
stats = uploader.getStats();
// alert(stats);
console.log("状态", stats)
if (stats.successNum) {
// alert('上传成功');
} else {
// 没有成功的图片,重设
state = 'done';
location.reload();
}
break;
}
updateStatus();
}
uploader.onUploadProgress = function (file, percentage) {
var $li = $('#' + file.id),
$percent = $li.find('.progress span');
$percent.css('width', percentage * 100 + '%');
percentages[file.id][1] = percentage;
updateTotalProgress();
};
uploader.onFileQueued = function (file) {
fileCount++;
fileSize += file.size;
if (fileCount === 1) {
$placeHolder.addClass('element-invisible');
$statusBar.show();
}
addFile(file);
setState('ready');
updateTotalProgress();
};
uploader.onFileDequeued = function (file) {
fileCount--;
fileSize -= file.size;
if (!fileCount) {
setState('pedding');
}
removeFile(file);
updateTotalProgress();
};
uploader.on('all', function (type) {
var stats;
switch (type) {
case 'uploadFinished':
setState('confirm');
break;
case 'startUpload':
setState('uploading');
break;
case 'stopUpload':
setState('paused');
break;
}
});
uploader.onError = function (code) {
alert('Eroor: ' + code);
};
$upload.on('click', function () {
if ($(this).hasClass('disabled')) {
return false;
}
console.log("上传...");
if (state === 'ready') {
uploader.upload();
console.log("上传成功");
} else if (state === 'paused') {
uploader.upload();
console.log("上传继续");
} else if (state === 'uploading') {
uploader.stop();
console.log("上传停止");
}
});
$info.on('click', '.retry', function () {
uploader.retry();
});
$info.on('click', '.ignore', function () {
alert('todo');
});
$upload.addClass('state-' + state);
updateTotalProgress();
// 文件上传成功,给item添加成功class, 用样式标记上传成功。
uploader.on('uploadSuccess', function (file, data) {
$("#hd_id").val(data.newfilepath);
// var uploaderId = '#rt_' + file.source.ruid;
// console.log(uploaderId);
console.log(file.id);
console.log(data);
var $btns = null;
if (data.Code == 1) {
$('#' + file.id).addClass('upload-state-done');
$('#' + file.id).find("img").parent().append('<a href="' + data.savePath + '" target="_blank"></a>')
$('#' + file.id).find(".imgWrap").find("a").append($('#' + file.id).find(".imgWrap").find("img"));
$btns = $('<div class="file-panel">' +
'<span class="cancel">删除</span>' +
'</div>');
$btns.on('click', 'span', function () {
var index = $(this).index(),
deg;
switch (index) {
case 0:
$.post("/image/DelImage", { "savefile": data.savePath }, function (rlt) {
if (rlt) {
uploader.removeFile(file);
} else {
console.log("删除失败");
}
})
return;
}
});
$('#' + file.id).append($btns);
$('#' + file.id).on('mouseenter', function () {
$btns.stop().animate({ height: 30 });
});
$('#' + file.id).on('mouseleave', function () {
$btns.stop().animate({ height: 0 });
});
}
else if (data.Code == -1) {
var $li = $('#' + file.id),
$error = $li.find('div.error');
// 避免重复创建
if (!$error.length) {
$error = $('<div class="error"></div>').appendTo($li);
}
$error.text('上传失败');
}
});
// 文件上传失败,显示上传出错。
uploader.on('uploadError', function (file) {
var $li = $('#' + file.id),
$error = $li.find('div.error');
// 避免重复创建
if (!$error.length) {
$error = $('<div class="error"></div>').appendTo($li);
}
$error.text('上传失败');
});
// 完成上传完了,成功或者失败,先删除进度条。
uploader.on('uploadComplete', function (file) {
$('#' + file.id).find('.progress').remove();
});
});
</script>
<script src="~/Scripts/webuploader/js/webuploader.js"></script>
//=============controller层实现代码========================
public ActionResult UpLoadProcess(string id, string name, string type, string lastModifiedDate, int size, HttpPostedFileBase file)
{
string filePathName = string.Empty;
string dateFile = DateTime.Now.ToString("yyyyMMdd");
string NowPath = "/Upload/" + dateFile + "/" + "MapSet/" + OperatorProvider.Provider.GetCurrent().UserCode;
string localPath = Server.MapPath(NowPath);
//判断文件夹是否存在
if (!System.IO.Directory.Exists(localPath))
{//不存在则创建
System.IO.Directory.CreateDirectory(localPath);
}
if (Request.Files.Count == 0)
{
return Json(new { jsonrpc = 2.0, error = new { code = 102, message = "保存失败" }, id = "id" });
}
string ex = Path.GetExtension(file.FileName);
filePathName = Guid.NewGuid().ToString("N") + ex;
file.SaveAs(Path.Combine(localPath, filePathName));
return Json(new
{
jsonrpc = "2.0",
id = id,
name = filePathName,
newfilepath = NowPath + "/" + filePathName,
filePath = dateFile
});
}
======================全部代码结束=====================================