Struts+spring+hibernate+birt整合实例（ZJP）
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Step1:
新建web项目并添加struts，spring，hibernate支持，再此不再多加描述。
Step2：
添加birtReport支持，当添加成功后，你后发现项目中会多出几个文件夹，同时web.xml文件中也会多出很多配置，当然这个不比你操心，eclipse已经为你配置ok了。下一步就是开始了！目录结构如下：
下一步，新建report文件
点击yes进入报表设计视图
在此处新建数据源(注意选择scriptDataSource)点击finish
下一步，新建数据集。具体怎样建，相信你肯定会的。再此不做描述！
OK,到此，birt基本上已经完成。下一步到action内设置数据集List，或其他集合类。
在此我采用的是session方法，把结果集放入session范围内，然后转到带有report标签的jsp页面，然后在报表文件的脚本编辑器内编写脚本，主要用到，数据集的open，fentch，close三个方法。
具体写法：
比session范围内有一个list，list内为pojo
则在open内写入：（open负责初始化数据）
importPackage(Packages.javax.servlet.http);
req=reportContext.getHttpServletRequest();
session=req.getSession();
params=new Packages.com.yourPOJOPackage.Class();（此处为list内的对象所在的包的完整路径）
list=session.getAttribute("list");
iteratorparams=list.iterator();
Fetch内开始遍历（此写法只是模拟，根据实际项目变动）
if(iteratorparams.hasNext()==false){
return false;
}
params=iteratorparams.next();
row[1]=params.getBillnumber();
row[2]=params.getCustomerByCustomid1().getClabel();
row[3]=params.getProduct().getPlabel();
return true;
COLSE内清空open内创建的对象
Ok，运行项目，之后，你就会看到，你的报表结果了！
注意：
1、 MyEclipse自动加载report后，有时会报监听错误，那是因为缺少包所知，解决方法，就是把birt runningtime内的例子所用的jar包拷到你的lib内部一般可以解决！
2、 如果报告hibernate lazy错误的话，那就把hibernate pojo映射文件里面的class节点内加入lazy=“false”就ok了
3、 还有就是，在遍历（fetch）是，不要写错取值方法，要不然回报找不到getXX方法，的错误