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pgfqe6ch8/public/javascripts/WebUploader/diyUpload.js

285 lines
9.6 KiB

6 years ago
/*
* jQuery文件上传插件,封装UI,上传处理操作采用Baidu WebUploader;
*/
(function( $ ) {
$.fn.extend({
/*
* 上传方法 opt为参数配置;
* serverCallBack回调函数 每个文件上传至服务端后,服务端返回参数,无论成功失败都会调用 参数为服务器返回信息;
*/
diyUpload:function( opt, serverCallBack ) {
if ( typeof opt != "object" ) {
alert('参数错误!');
return;
}
var $fileInput = $(this);
var $fileInputId = $fileInput.attr('id');
//组装参数;
if( opt.url ) {
opt.server = opt.url;
delete opt.url;
}
if( opt.success ) {
var successCallBack = opt.success;
delete opt.success;
}
if( opt.error ) {
var errorCallBack = opt.error;
delete opt.error;
}
//迭代出默认配置
$.each( getOption( '#'+$fileInputId ),function( key, value ){
opt[ key ] = opt[ key ] || value;
});
if ( opt.buttonText ) {
opt['pick']['label'] = opt.buttonText;
delete opt.buttonText;
}
var webUploader = getUploader( opt );
if ( !WebUploader.Uploader.support() ) {
alert( ' 上传组件不支持您的浏览器!');
return false;
}
//绑定文件加入队列事件;
webUploader.on('fileQueued', function( file ) {
createBox( $fileInput, file ,webUploader);
});
//进度条事件
webUploader.on('uploadProgress',function( file, percentage ){
var $fileBox = $('#fileBox_'+file.id);
var $diyBar = $fileBox.find('.diyBar');
$diyBar.show();
percentage = percentage*100;
showDiyProgress( percentage.toFixed(2), $diyBar);
});
//全部上传结束后触发;
webUploader.on('uploadFinished', function(){
$fileInput.next('.parentFileBox').children('.diyButton').remove();
});
//绑定发送至服务端返回后触发事件;
webUploader.on('uploadAccept', function( object ,data ){
if ( serverCallBack ) serverCallBack( data );
});
//上传成功后触发事件;
webUploader.on('uploadSuccess',function( file, response ){
var $fileBox = $('#fileBox_'+file.id);
var $diyBar = $fileBox.find('.diyBar');
$fileBox.removeClass('diyUploadHover');
$diyBar.fadeOut( 1000 ,function(){
$fileBox.children('.diySuccess').show();
});
if ( successCallBack ) {
successCallBack( response );
}
});
//上传失败后触发事件;
webUploader.on('uploadError',function( file, reason ){
var $fileBox = $('#fileBox_'+file.id);
var $diyBar = $fileBox.find('.diyBar');
showDiyProgress( 0, $diyBar , '上传失败!' );
var err = '上传失败! 文件:'+file.name+' 错误码:'+reason;
if ( errorCallBack ) {
errorCallBack( err );
}
});
//选择文件错误触发事件;
webUploader.on('error', function( code ) {
var text = '';
switch( code ) {
case 'F_DUPLICATE' : text = '该文件已经被选择了!' ;
break;
case 'Q_EXCEED_NUM_LIMIT' : text = '上传文件数量超过限制!' ;
break;
case 'F_EXCEED_SIZE' : text = '文件大小超过限制!';
break;
case 'Q_EXCEED_SIZE_LIMIT' : text = '所有文件总大小超过限制!';
break;
case 'Q_TYPE_DENIED' : text = '文件类型不正确或者是空文件!';
break;
default : text = '未知错误!';
break;
}
alert( text );
});
return webUploader;
}
});
//Web Uploader默认配置;
function getOption(objId) {
/*
* 配置文件同webUploader一致,这里只给出默认配置.
* 具体参照:http://fex.baidu.com/webuploader/doc/index.html
*/
return {
//按钮容器;
pick:{
id:objId,
label:""
},
//类型限制;
accept:{
title:"Images",
extensions:"gif,jpg,jpeg,bmp,png",
mimeTypes:"image/*"
},
//配置生成缩略图的选项
thumb:{
width:1,
height:1,
// 图片质量只有type为`image/jpeg`的时候才有效。
quality:100,
// 是否允许放大如果想要生成小图的时候不失真此选项应该设置为false.
allowMagnify:false,
// 是否允许裁剪。
crop:false,
// 为空的话则保留原有图片格式。
// 否则强制转换成指定的类型。
type:"image/jpeg"
},
//文件上传方式
method:"POST",
//服务器地址;
server:"",
//是否已二进制的流的方式发送文件这样整个上传内容php://input都为文件内容
sendAsBinary:false,
// 开起分片上传。 thinkphp的上传类测试分片无效,图片丢失;
chunked:true,
// 分片大小
chunkSize:512 * 1024,
//最大上传的文件数量, 总文件大小,单个文件大小(单位字节);
fileNumLimit:50,
fileSizeLimit:500000 * 1024,
fileSingleSizeLimit:50000 * 1024,
};
}
//实例化Web Uploader
function getUploader( opt ) {
return new WebUploader.Uploader( opt );
}
//操作进度条;
function showDiyProgress( progress, $diyBar, text ) {
if ( progress >= 100 ) {
progress = progress + '%';
text = text || '上传完成';
} else {
progress = progress + '%';
text = text || progress;
}
var $diyProgress = $diyBar.find('.diyProgress');
$diyProgress.width( progress ).text( text );
}
//取消事件;
function removeLi ( $li ,file_id ,webUploader) {
webUploader.removeFile( file_id );
$li.remove();
}
//左移事件;
function leftLi ($leftli, $li) {
$li.insertBefore($leftli);
}
//右移事件;
function rightLi ($rightli, $li) {
$li.insertAfter($rightli);
}
//创建文件操作div;
function createBox( $fileInput, file, webUploader ) {
var file_id = file.id;
var $parentFileBox = $fileInput.parents(".upload-ul");
var file_len=$parentFileBox.children(".diyUploadHover").length;
//添加子容器;
var li = '<li id="fileBox_'+file_id+'" class="diyUploadHover competition_img"> \
<div class="viewThumb">\
<input type="hidden">\
<div class="diyBar"> \
<div class="diyProgress">0%</div> \
</div> \
<p class="diyControl"><span class="diyCancel right"><i></i></span></p>\
</div> \
</li>';
// <span class="diyLeft"><i></i></span>
// <span class="diyRight"><i></i></span>
$(".upload-pick").before( li );
var $fileBox = $parentFileBox.find('#fileBox_'+file_id);
//绑定取消事件;
var $diyCancel = $fileBox.find('.diyCancel').one('click',function(){
removeLi( $(this).parents('.diyUploadHover'), file_id, webUploader );
});
//绑定左移事件;
$fileBox.find('.diyLeft').one('click',function(){
leftLi($(this).parents('.diyUploadHover').prev(), $(this).parents('.diyUploadHover'));
});
//绑定右移事件;
$fileBox.find('.diyRight').one('click',function(){
rightLi($(this).parents('.diyUploadHover').next(), $(this).parents('.diyUploadHover') );
});
if ( file.type.split("/")[0] != 'image' ) {
var liClassName = getFileTypeClassName( file.name.split(".").pop() );
$fileBox.addClass(liClassName);
return;
}
//生成预览缩略图;
//base64 =dataSrc
webUploader.makeThumb( file, function( error, dataSrc ) {
if ( !error ) {
console.log(dataSrc);
console.log(file);
$fileBox.find('.viewThumb').append('<img src="'+dataSrc+'" >');
$fileBox.find('.viewThumb').append('<input type="hidden" name="file[]" value="'+dataSrc+'">');
}
});
}
//获取文件类型;
function getFileTypeClassName ( type ) {
var fileType = {};
var suffix = '_diy_bg';
fileType['pdf'] = 'pdf';
fileType['ppt'] = 'ppt';
fileType['doc'] = 'doc';
fileType['docx'] = 'doc';
fileType['jpg'] = 'jpg';
fileType['zip'] = 'zip';
fileType['rar'] = 'rar';
fileType['xls'] = 'xls';
fileType['xlsx'] = 'xls';
fileType['txt'] = 'txt';
fileType = fileType[type] || 'ppt';
return fileType+suffix;
}
})( jQuery );