列表选择模式：单选、按shift、按shift或ctrl

2018-10-29 21:23:16 开始写

 

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 1 import java.awt.borderlayout;
 2 import java.awt.eventqueue;
 3 import javax.swing.jframe;
 4 import javax.swing.jpanel;
 5 import javax.swing.border.emptyborder;
 6 import javax.swing.uimanager;
 7 import java.awt.gridlayout;
 8 import javax.swing.jscrollpane;
 9 import javax.swing.jlist;
10 import java.awt.event.windowadapter;
11 import java.awt.event.windowevent;
12 import javax.swing.listselectionmodel;
13 import javax.swing.jlabel;
14 import javax.swing.swingconstants;
15 import java.awt.font;
16 import javax.swing.jframe;
17 
18 public class jlistselectmodeltest extends jframe {
19     private jpanel contentpane;
20     private jlist list1;
21     private jlist list2;
22     private jlist list3;
23     private jlabel label1;
24     private jlabel label2;
25     private jlabel label3;
26     public static void main(string[] args) {
27         // todo auto-generated method stub
28         try {
29             uimanager.setlookandfeel("com.sun.java.swing.plaf.nimbus.nimbuslookandfeel");
30         } catch (throwable e) {
31             e.printstacktrace();
32         }
33         jlistselectmodeltest frame = new jlistselectmodeltest();
34         frame.setvisible(true);
35     }
36     
37     public jlistselectmodeltest() {
38         settitle("列表项的选择模式");
39         setdefaultcloseoperation(jframe.exit_on_close);
40         setbounds(100, 100, 550, 300);
41         contentpane = new jpanel();
42         contentpane.setlayout(new borderlayout(0, 0));
43         setcontentpane(contentpane);
44         
45         jpanel panel = new jpanel();
46         contentpane.add(panel, borderlayout.center);
47         panel.setlayout(new gridlayout(1, 3, 5, 5));
48         
49         jscrollpane scrollpane1 = new jscrollpane();
50         panel.add(scrollpane1);
51         
52         list1 = new jlist();
53         list1.setfont(new font("微软雅黑", font.plain, 14));
54         list1.setselectionmode(listselectionmodel.single_selection);//设置选择模式为单选
55         scrollpane1.setviewportview(list1);
56         
57         label1 = new jlabel("单项选择");
58         label1.setfont(new font("微软雅黑", font.plain, 14));
59         label1.sethorizontalalignment(swingconstants.center);//设置标签水平居中
60         scrollpane1.setcolumnheaderview(label1);//设置滑动面板首个显示
61         
62         jscrollpane scrollpane2 = new jscrollpane();
63         panel.add(scrollpane2);
64         
65         list2 = new jlist();
66         list2.setfont(new font("微软雅黑", font.plain, 14));
67         list2.setselectionmode(listselectionmodel.single_interval_selection);//设置选择模式为单选或shift
68         scrollpane2.setviewportview(list2);
69         
70         label2 = new jlabel("连续选择(按shift)");
71         label2.sethorizontalalignment(swingconstants.center);
72         label2.setfont(new font("微软雅黑", font.plain, 14));
73         scrollpane2.setcolumnheaderview(label2);
74         
75         jscrollpane scrollpane3 = new jscrollpane();
76         panel.add(scrollpane3);
77 
78         list3 = new jlist();
79         list3.setfont(new font("微软雅黑", font.plain, 14));
80         list2.setselectionmode(listselectionmodel.multiple_interval_selection);//设置选择模式为单选或shift或ctrl
81         scrollpane3.setviewportview(list3);
82 
83         label3 = new jlabel("默认选择(按ctrl/shift)");
84         label3.sethorizontalalignment(swingconstants.center);
85         label3.setfont(new font("微软雅黑", font.plain, 14));
86         scrollpane3.setcolumnheaderview(label3);
87         
88         string[] listdata = new string[12];
89         for (int i = 0; i < listdata.length; i++) {
90             listdata[i] = "余杰" + (i + 1);
91         }
92         list1.setlistdata(listdata);//添加列表元素
93         list2.setlistdata(listdata);
94         list3.setlistdata(listdata);
95     }
96 }

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说明

单选：一次选中一个

shift：多个连续

ctrl：选中多个（不用连续）

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