jasperreport实现Html、Pdf、Rtf、Excel、Xml报表导出

l转自：http://lbccheng.blog.163.com/blog/static/31412092009545189308/
1.数据源(JRDataSource)
import java.util.ArrayList;
import java.util.List;
import lbc.report.basequery.QueryData;
import lbc.report.bean.VioWritJycfjds;
import lbc.report.bean.base.BaseVioWritJycfjds;
import org.hibernate.Session;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRField;
/**
 * @类名：ReportDataSource.java
 * @类功能描述: 产生报表填充需要使用的数据源
 * @author lbc
 * @version v1.0.0.1
 * @see
 */
public class ReportDataSource implements JRDataSource {
  
  private int index = -1;
  private static QueryData queryData=new QueryData();
  private static List list=new ArrayList();
  
  static
  {
   String SQL="select * from VIO_WRIT_JYCFJDS";
   list=queryData.sqlQuery(SQL, VioWritJycfjds.class);
  }
  public Object getFieldValue(JRField field) throws JRException {
   String fieldName=field.getName();
   
   if(fieldName.equals("bh"))
   {
    return ((VioWritJycfjds)list.get(index)).getId();
   }
   if(fieldName.equals("bt"))
   {
    return ((VioWritJycfjds)list.get(index)).getJybt();
   }
    
   if(fieldName.equals("sfjg") && (((VioWritJycfjds) list.get(index)).getJysfjg())!=null && (((VioWritJycfjds) list.get(index)).getJysfjg()).equals("1"))
   {
     return "\u221A";
   }
   
 }
2.JasperPrintWithJRDataSource类
import java.io.File;
import java.util.Map;
import net.sf.jasperreports.engine.JRDataSource;
import net.s