webuploader上传图片插件案例

1.引入插件
<link rel="stylesheet" href="../../resources/js/plugins/webuploader-0.1.5/webuploader.css">

<script src="../../resources/js/min/jquery-1.9.1.min.js"></script>
<script src="../../resources/js/plugins/webuploader-0.1.5/webuploader.min.js"></script>

2.html
<td width="125px" class="label-text text-right vertical-top">企业logo：</td>
<td colspan="5">
<img id="logoPriview" class="product-img" src="../../resources/img/supplier/default.png">
<div class="upload-tip">
* 本地图片，支持JPG、JPEG、PNG 格式，<br>
最佳长宽比例2:1， 图片大小不超过2M<br>
<div id="logoUploadBtn" class="mgt5">
</div>
</div>

</td>3.css
.new-supplier .product-img{width:110px;height:110px;border-radius:6px;}
.new-supplier .upload-tip{display:inline-block;padding-left:10px;vertical-align:bottom;line-height:18px;font-size:12px;color:#de4751;}4.js
$(function () {
var $ = jQuery;
var uploader,baseInfoUploader,productImgUploader,projectCoverUploader;
// 图表tab切换
$.each($('.chart-list li'), function (i) {
$(this).on('click', function () {
$(this).addClass('active').siblings('li').removeClass('active');
$('.tabs-content').eq(i).show().siblings('.tabs-content').hide();
});
});

// 上传企业logo
baseInfoUploader = WebUploader.create({
auto: false,
swf: '../../resources/js/plugins/webuploader-0.1.5/Uploader.swf',
// 文件接收服务端。
server: 'http://webuploader.duapp.com/server/fileupload.php',
pick: {
id: '#logoUploadBtn',
innerHTML: '选择图片',
multiple: true
},
// 只允许选择图片文件。
accept: {
title: 'Images',
extensions: 'jpg,jpeg,png',
mimeTypes: 'image/jpg,image/jpeg,image/png'
},
fileSingleSizeLimit: 2 * 1024 * 1024
});
baseInfoUploader.on( 'fileQueued', function( file ) {
$img = $('#logoPriview');
baseInfoUploader.makeThumb( file, function( error, src ) {
if ( error ) {
return;
}
$img.attr( 'src', src );
}, 110, 110 );
});

// 上传产品图片
// 在弹层里面的时候，弹出show出来之后，要调用uploader.refresh()方法，否则选择文件的按钮会点击之后没反应（因为太小了，其实没点到）
productImgUploader = WebUploader.create({
auto: false,
swf: '../../resources/js/plugins/webuploader-0.1.5/Uploader.swf',
// 文件接收服务端。
server: 'http://webuploader.duapp.com/server/fileupload.php',
pick: {
id: '#productImgUploadBtn',
innerHTML: '选择图片',
multiple: true
},
// 只允许选择图片文件。
accept: {
title: 'Images',
extensions: 'jpg,jpeg,png',
mimeTypes: 'image/jpg,image/jpeg,image/png'
},
fileSingleSizeLimit: 2 * 1024 * 1024
});
productImgUploader.on( 'fileQueued', function( file ) {
$img = $('#productImgPriview');
productImgUploader.makeThumb( file, function( error, src ) {
if ( error ) {
return;
}
$img.attr( 'src', src );
}, 110, 110 );
});

// 上传项目封面图
projectCoverUploader = WebUploader.create({
auto: false,
swf: '../../resources/js/plugins/webuploader-0.1.5/Uploader.swf',
// 文件接收服务端。
server: 'http://webuploader.duapp.com/server/fileupload.php',
pick: {
id: '#projectCoverUploadBtn',
innerHTML: '选择图片',
multiple: true
},
// 只允许选择图片文件。
accept: {
title: 'Images',
extensions: 'jpg,jpeg,png',
mimeTypes: 'image/jpg,image/jpeg,image/png'
},
fileSingleSizeLimit: 2 * 1024 * 1024
});
projectCoverUploader.on( 'fileQueued', function( file ) {
$img = $('#projectCoverPriview');
projectCoverUploader.makeThumb( file, function( error, src ) {
if ( error ) {
return;
}
$img.attr( 'src', src );
}, 110, 110 );
});

//诚信认证，多文件上传
$wrap = $('#uploader'),
// 图片容器
$queue = $('<ul class="filelist"></ul>').appendTo($wrap.find('.queueList')),

$listTitle = $wrap.find('.list-title');
// 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'),

// 上传按钮
$upload = $('.upload-img').find('.uploadBtn'),

// 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 = 80 * ratio,
thumbnailHeight = 80 * 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;
})(),

// 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',
innerHTML: '选择图片',
multiple: true
},
accept: {
title: 'Images',
extensions: 'jpg,jpeg,png',
mimeTypes: 'image/jpg,image/jpeg,image/png'
},

// swf文件路径
swf: '../../resources/js/plugins/webuploader-0.1.5/Uploader.swf',

disableGlobalDnd: true,

chunked: true,
// server: 'http://webuploader.duapp.com/server/fileupload.php',
server: 'http://2betop.net/fileupload.php',
fileNumLimit: 300,
fileSizeLimit: 20 * 1024 * 1024, // 200 M
fileSingleSizeLimit: 2 * 1024 * 1024 // 50 M
});

// 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="imgWrap"></p>' +
'<p class="progress"><span></span></p>' +
'<p title=' + file.name + ' class="title ellipsis">' + file.name + '</p>' +
'</li>'),

$btns = $('<div class="file-panel">' +
'<span class="cancel"></span>'
).appendTo($li),
// '<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';
break;
}

$info.text(text).appendTo($li);
};

if (file.getStatus() === 'invalid') {
showError(file.statusText);
} else {
// @todo lazyload
$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('<p class="success">上传成功</p>');
}

$li.removeClass('state-' + prev).addClass('state-' + cur);
});

$btns.on('click', 'span', function () {
var index = $(this).index();
switch (index) {
case 0:
uploader.removeFile(file);
return;
}

});

$li.appendTo($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 + '张图片，' +
stats.uploadFailNum + '张图片上传失败，<a class="retry" style="color: #de4751;" href="#">重新上传</a>失败图片'
}

} 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');
$wrap.show();
$upload.removeClass('disabled');
$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();
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;
}

if (state === 'ready') {
uploader.upload();
} else if (state === 'paused') {
uploader.upload();
} else if (state === 'uploading') {
uploader.stop();
}
});

$info.on('click', '.retry', function () {
uploader.retry();
});

$info.on('click', '.ignore', function () {
alert('todo');
});

$upload.addClass('state-' + state);
updateTotalProgress();
});附图：