JTableDemo.java 01 package cn.rolia.learning.swing;
02 import java.awt.Dimension;
03 import javax.swing.JFrame;
04 import javax.swing.JScrollPane;
05 import javax.swing.JPanel;
06 import javax.swing.JTable;
07 import java.awt.Color;
08 import java.awt.GridLayout;
09 //import javax.swing.table.TableColumn;
10
11
12 public class JTableDemo
13 {
14 public static void main (String[] args)
15 {
16 /*
17 构造函数有很多下面先介绍几个:
18 JTable()
19 JTable(int numRows, int numColumns)
20 JTable(Object[][] rowData, Object[] columnNames)
21 */
22
23 JTable example1 = new JTable ();//看不到但存在
24
25 JTable example2 = new JTable (8, 6);
26
27
28 final Object[] columnNames = {"姓名", "性别", "家庭地址",//列名最好用final修饰
29 "电话号码", "生日", "工作", "收入", "婚姻状况","恋爱状况"};
30 Object[][] rowData = {
31 {"ddd", "男", "江苏南京", "1378313210", "03/24/1985", "学生", "寄生中", "未婚", "没"},
32 {"eee", "女", "江苏南京", "13645181705", "xx/xx/1985", "家教", "未知", "未婚", "好象没"},
33 {"fff", "男", "江苏南京", "13585331486", "12/08/1985", "汽车推销员", "不确定", "未婚", "有"},
34 {"ggg", "女", "江苏南京", "81513779", "xx/xx/1986", "宾馆服务员", "确定但未知", "未婚", "有"},
35 {"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"}
36 };
37
38
39 JTable friends = new JTable (rowData, columnNames);
40 friends.setPreferredScrollableViewportSize(new Dimension(600, 100));//设置表格的大小
41 friends.setRowHeight (30);//设置每行的高度为20
42 friends.setRowHeight (0, 20);//设置第1行的高度为15
43 friends.setRowMargin (5);//设置相邻两行单元格的距离
44 friends.setRowSelectionAllowed (true);//设置可否被选择.默认为false
45 friends.setSelectionBackground (Color.white);//设置所选择行的背景色
46 friends.setSelectionForeground (Color.red);//设置所选择行的前景色
47 friends.setGridColor (Color.black);//设置网格线的颜色
48 friends.selectAll ();//选择所有行
49 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
50 friends.clearSelection ();//取消选择
51 friends.setDragEnabled (false);//不懂这个
52 friends.setShowGrid (false);//是否显示网格线
53 friends.setShowHorizontalLines (false);//是否显示水平的网格线
54 friends.setShowVerticalLines (true);//是否显示垂直的网格线
55 friends.setValueAt ("tt", 0, 0);//设置某个单元格的值,这个值是一个对象
56 friends.doLayout ();
57 friends.setBackground (Color.lightGray);
58
59
60 JScrollPane pane1 = new JScrollPane (example1);//JTable最好加在JScrollPane上
61 JScrollPane pane2 = new JScrollPane (example2);
62 JScrollPane pane3 = new JScrollPane (friends);
63
64 JPanel panel = new JPanel (new GridLayout (0, 1));
65 panel.setPreferredSize (new Dimension (600,400));
66 panel.setBackground (Color.black);
67 panel.add (pane1);
68 panel.add (pane2);
69 panel.add (pane3);
70
71 JFrame frame = new JFrame ("JTableDemo");
72 frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
73
74 frame.setContentPane (panel);
75
76 frame.pack();
77 frame.setVisible(true);
78
79 }
80 }
