我们试图让用户从选定的照片中选择一个人的确切面孔，我们希望通过提供一个椭圆形来实现这一点，用户必须通过调整照片或椭圆形本身的大小来适应面部。
有没有我可以使用的插件，或者这需要从头开始吗？
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Don't know of a plugin (and google is a better place for this) but it's not hard to develop one. Just create a overlay div with some opacity over the image the user sent. Then use jQuery UI draggrable and resizable for a smaller div with transparent background.
Send the div's position, width and height to the server and perform the cropping there.
于 2011-09-30T12:16:27.907 回答