105 lines
2.3 KiB
JavaScript
105 lines
2.3 KiB
JavaScript
$(function() {
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var dropbox = $('#dropbox'),
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message = $('.message', dropbox);
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dropbox.filedrop({
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// The name of the $_FILES entry:
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paramname: 'file',
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maxfiles: 1,
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maxfilesize: 3,
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url: '/file/uploadImageJson',
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uploadFinished: function(i, file, re) {
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jbImagesDialog.uploadFinish({
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filename: re.Id,
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result: re.Msg,
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resultCode: re.Code + ''
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});
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$.data(file).addClass('done');
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},
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error: function(err, file) {
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switch(err) {
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case 'BrowserNotSupported':
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showMessage('您的浏览器不支持拖拉上传文件, 请使用chrome或firefox浏览器');
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break;
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case 'TooManyFiles':
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alert('文件太多了');
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break;
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case 'FileTooLarge':
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alert(file.name+'文件太大, 最大支持3M图片');
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break;
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default:
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alert("出错了");
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break;
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}
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},
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// Called before each upload is started
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beforeEach: function(file){
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if(!file.type.match(/^image\//)){
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alert('只能上传图片!');
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return false;
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}
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},
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uploadStarted:function(i, file, len){
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//createImage(file);
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},
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progressUpdated: function(i, file, progress) {
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$('.progress-bar').css("width", progress + "%");
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}
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});
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var template = '<div class="preview">'+
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'<span class="imageHolder">'+
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'<img />'+
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'<span class="uploaded"></span>'+
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'</span>'+
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'<div class="progressHolder">'+
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'<div class="progress"></div>'+
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'</div>'+
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'</div>';
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function createImage(file){
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var preview = $(template),
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image = $('img', preview);
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var reader = new FileReader();
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image.width = 100;
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image.height = 100;
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reader.onload = function(e){
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// e.target.result holds the DataURL which
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// can be used as a source of the image:
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image.attr('src',e.target.result);
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image.css("max-width", "200px")
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};
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// Reading the file as a DataURL. When finished,
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// this will trigger the onload function above:
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reader.readAsDataURL(file);
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message.hide();
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preview.appendTo(dropbox);
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// Associating a preview container
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// with the file, using jQuery's $.data():
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$.data(file,preview);
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}
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function showMessage(msg){
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message.html(msg);
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}
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}); |