动态设置页宽度

src/main/java/com/uas/report/service/impl/PrintServiceImpl.java

@@ -363,11 +363,13 @@ public class PrintServiceImpl implements PrintService {
 		jasperDesign.setBackground(null);
 		// 忽略分页，以使列名只打印一次
 		jasperDesign.setIgnorePagination(true);
+
 		// 设置页边距，页宽，以免存在空白表格
+		jasperDesign.setPageWidth(
+				jasperDesign.getPageWidth() - jasperDesign.getLeftMargin() - jasperDesign.getRightMargin());
 		jasperDesign.setTopMargin(0);
 		jasperDesign.setLeftMargin(0);
 		jasperDesign.setBottomMargin(0);
 		jasperDesign.setRightMargin(0);
-		jasperDesign.setPageWidth(555);
 	}
 }