activetree网站发现的jreport,里面有demo,运行实例代码就可以看到效果.包括jtable,jtree,的分页打印,以及打印预览.(非开源),详细资料请登陆activetree网站-activetree site found jreport, inside demo, run the example code you can see the results. including jtable, jtree, paging printing, and print preview.