在servlet中使用itext生成pdf的问题无法呈现批量html

我遇到从html生成pdf的问题。我目前正在开展一个生成账单的在线购物项目。我已经尝试了几个库，如itextpdf，飞碟，itextrenderer，但没有任何证明是富有成效的..请帮助我。我想从jsp文件的输出生成pdf ..

I am having problem generating pdf from html. i am currently working on a online shopping project which generates a bill. i have tried several libraries like itextpdf, flying saucer, itextrenderer but nothing proved to be fruitful..pls help me. i want to generate pdf from the output of a jsp file..