It was just released a few days ago (3rd Feb) and has the functionality you are looking for (Client-side resizing and chunking specifically can both improve performance).
It's core isn't based on jQuery, but it has a jQuery upload widget that's plug-and-play.
Won't dictate your design, very flexible. Does not do multiple files (yet), though you can post multiple times from the same page w/o re-directing the user anywhere. It has a lot of options. Again, it's designed to fit into your design, so here's a demo that barely lets you know it's done with Flash because of all the JavaScript integration it has: http://www.shift8creative.com/projects/agile-uploader/advanced-demo.html
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查看 http://www.plupload.com/
演示 http://www.plupload.com/example_queuewidget.php
几天前（2 月 3 日）刚刚发布，具有您所需要的功能寻找（客户端调整大小和分块特别可以提高性能）。
它的核心不是基于 jQuery，但它有一个即插即用的 jQuery 上传小部件。
Checkout http://www.plupload.com/
Demo http://www.plupload.com/example_queuewidget.php
It was just released a few days ago (3rd Feb) and has the functionality you are looking for (Client-side resizing and chunking specifically can both improve performance).
It's core isn't based on jQuery, but it has a jQuery upload widget that's plug-and-play.
http://www.shift8creative.com/projects/agile-uploader/index.html html
不会决定你的设计，非常灵活。虽然您可以从同一页面多次发布，而无需将用户重定向到任何地方，但还不能执行多个文件。它有很多选择。同样，它的设计是为了适合您的设计，因此这里有一个演示，由于它具有所有 JavaScript 集成，因此几乎无法让您知道它是使用 Flash 完成的： http://www.shift8creative.com/projects/agile-uploader/advanced-demo.html
适用于任何后端语言。
http://www.shift8creative.com/projects/agile-uploader/index.html
Won't dictate your design, very flexible. Does not do multiple files (yet), though you can post multiple times from the same page w/o re-directing the user anywhere. It has a lot of options. Again, it's designed to fit into your design, so here's a demo that barely lets you know it's done with Flash because of all the JavaScript integration it has: http://www.shift8creative.com/projects/agile-uploader/advanced-demo.html
For use with any back-end language.
使用 Flajaxian，它是免费的并且可以与 S3 配合使用
Use Flajaxian, its free and works with S3
最新版本的 SwfUpload 可以调整客户端图像大小（使用 Flash），但它并不是最容易使用的脚本。
http://code.google.com/p/swfupload/
Latest version of SwfUpload does client-side image resizing (using Flash), but it's not the easiest script to use.
http://code.google.com/p/swfupload/
有上传扩展之前上传图像调整大小。检查 http://perfectwebtutorials.com/2012/image-resize-before-upload -上传/
There is Uploadify image resize before upload extension. Check http://perfectwebtutorials.com/2012/image-resize-before-upload-uploadify/