本组件为ASP组件，只适用于ASP的调用，它的功能是实现多文件的上传，生成图片，在指定的图片上写字，画线，放大缩小，剪取指定区域的图片，并且显示或保存成指定的格式。-components to the ASP, ASP is only applicable to the call, the function is more upload documents, pictures generated in the designated write on the photo, painting lines, zooming, stripped designated area photographs, and display or preservation as a designated format.