love_java_love的专栏

jasperreports使用出现的下列异常： Found two components for namespace http://jasperreports.sourceforge.net/jasperreports/components 解决方法.查看是否在工程目录添加了外部jar [jasperreports-X.X.X.jar],[jasperreports-X.X.X-j

import java.util.Enumeration;import javax.swing.JTable;import javax.swing.table.DefaultTableModel;import javax.swing.table.JTableHeader;import javax.swing.table.TableColumn;import javax.swing.table.