美化了上传进度条

优化了进度条代码，是进度条支持多用户

进度数据文件修改为.JS扩张名，适应更多的服务器环境，并加入了清理工具

增加了创建目录的函数

修改了获取图片尺寸时分辩图片文件类型的判断方法，增强兼容性

增加可客户端检测文件类型的方法，即时提示文件类型错误

可以设置上传接口的背景色

增加了批量上传的设置表单

自动适应上传接口的高度-landscaping upload progress of the progress of the optimization code, yes progress of the multi-user support for the progress of changes to data files. JS expansion, and more adapt to the server environment, clean up and joined the tools to create a directory function to modify the size photographs at the access to differentiate between types of image files to judgment France, enhance compatibility increased client file type detection method immediately advisory document types mistakes can set upload interface to the background color to increase the volume upload settings automatically adapt to upload form the high interface