jacob操作office文件，可以实现模版套打，图片插入，同时还可以PDF转flash文档，实现在线预览，也可以将文档转换成html文件，同时也可以抽取文档内容，动态生成表格(Jacob operates office files, enabling template to play and insert pictures, and also PDF to flash documents. It can realize online preview, or convert documents into HTML files. At the same time, it can extract document contents and generate tables dynamically.)