JasperDesign jd = this.geJasperDesign();
jr = JasperCompileManager.compileReport(jd);
运行过程中报错：
net.sf.jasperreports.engine.JRException: Error loading byte data : D:\bysmp\Client\classic_1264044297885_759769.class
JasperDesign是由.jrxml文件编译后手动添加了字段和列
[color=indigo]jasperreports的jar包 版本过低吧。[/color]