Droparea.js是一个使用 HTML5实现的图片拖放上传的jQuery插件，并实现了图片裁切功能，你只需将需要上传的图片拖放到图片框中，鼠标会有一个提示框，图片在Ajax脚本控制上，无刷新上传并显示出来，按照一定的比例裁切，测试时候请注意：1、请不要使用IE8,火狐、Opera、Chrome等浏览器可以；2、不要直接打开index.html，要在PHP环境下运行。-Droparea.js achieve a HTML5 drag and drop upload pictures using jQuery plugin, and realized the picture cropping function, the picture you just need to drag and drop to upload pictures box, the mouse will be a prompt box, the picture in Ajax the scr ipt control, no refresh uploaded and displayed, according to a certain percentage of the crop, the test time Note: 1, do not use IE8, Firefox, Opera, Chrome and other browsers　2, do not directly open index.html, to runs under PHP environment.