java--JTable用法
import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JPanel; import javax.swing.JTable; import java.awt.Color; import java.awt.GridLayout; import javax.swing.table.TableColumn; public class JTableDemo { public static void main (String[] args) { /* 构造函数有很多下面先介绍几个: JTable() JTable(int numRows, int numColumns) JTable(Object[][] rowData, Object[] columnNames) */ JTable example1 = new JTable ();//看不到但存在 JTable example2 = new JTable (8, 6); final Object[] columnNames = {"姓名", "性别", "家庭地址",//列名最好用final修饰 "电话号码", "生日", "工作", "收入", "婚姻状况","恋爱状况"}; Object[][] rowData = { {"ddd", "男", "江苏南京", "1378313210", "03/24/1985", "学生", "寄生中", "未婚", "没"}, {"eee", "女", "江苏南京", "13645181705", "xx/xx/1985", "家教", "未知", "未婚", "好象没"}, {"fff", "男", "江苏南京", "13585331486", "12/08/1985", "汽车推销员", "不确定", "未婚", "有"}, {"ggg", "女", "江苏南京", "81513779", "xx/xx/1986", "宾馆服务员", "确定但未知", "未婚", "有"}, {"hhh", "男", "江苏南京", "13651545936", "xx/xx/1985", "学生", "流放中", "未婚", "无数次分手后没有"} }; JTable friends = new JTable (rowData, columnNames); friends.setPreferredScrollableViewportSize(new Dimension(600, 100));//设置表格的大小 friends.setRowHeight (30);//设置每行的高度为20 friends.setRowHeight (0, 20);//设置第1行的高度为15 friends.setRowMargin (5);//设置相邻两行单元格的距离 friends.setRowSelectionAllowed (true);//设置可否被选择.默认为false friends.setSelectionBackground (Color.white);//设置所选择行的背景色 friends.setSelectionForeground (Color.red);//设置所选择行的前景色 friends.setGridColor (Color.black);//设置网格线的颜色 friends.selectAll ();//选择所有行 friends.setRowSelectionInterval (0,2);//设置初始的选择行,这里是1到3行都处于选择状态 friends.clearSelection ();//取消选择 friends.setDragEnabled (false);//不懂这个 friends.setShowGrid (false);//是否显示网格线 friends.setShowHorizontalLines (false);//是否显示水平的网格线 friends.setShowVerticalLines (true);//是否显示垂直的网格线 friends.setValueAt ("tt", 0, 0);//设置某个单元格的值,这个值是一个对象 friends.doLayout (); friends.setBackground (Color.lightGray); JScrollPane pane1 = new JScrollPane (example1);//JTable最好加在JScrollPane上 JScrollPane pane2 = new JScrollPane (example2); JScrollPane pane3 = new JScrollPane (friends); JPanel panel = new JPanel (new GridLayout (0, 1)); panel.setPreferredSize (new Dimension (600,400)); panel.setBackground (Color.black); panel.add (pane1); panel.add (pane2); panel.add (pane3); JFrame frame = new JFrame ("JTableDemo"); frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE); frame.setContentPane (panel); frame.pack(); frame.show(); } }