PHP+jQuery上传图片并对已上载的图片进行裁切，目前比较流行的技术。上传成功后，插件会自动显示上传后及载切后的部分图像 ，这时你可以自己拖动鼠标划出一个区域，并可以移动这些区域，在最终效果图上会显示你所作的操作，最后点击裁切保存按钮会最终保存图像。

-PHP+ jQuery upload pictures and have uploaded pictures cut, the current popular technologies. Upload successful, the plug-in will automatically upload and set out after the cut portion of the image, then you can drag your mouse to draw a region, and can move these regions, in the final results will be displayed on your map by the operation, finally click the Save button would eventually save the cropped image.