📄 applet2.java~13~
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package zhifang;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeSelectionModel;
public class Applet2
extends JApplet {
boolean isStandalone = false;
JPanel jPanel1 = new JPanel();
JSplitPane jSplitPane1 = new JSplitPane();
JTree jTree1 = new JTree();
DefaultMutableTreeNode root;
DefaultMutableTreeNode temNode;
//Get a parameter value
public String getParameter(String key, String def) {
return isStandalone ? System.getProperty(key, def) :
(getParameter(key) != null ? getParameter(key) : def);
}
//Construct the applet
public Applet2() {
}
//Initialize the applet
public void init() {
try {
jbInit();
root = new DefaultMutableTreeNode("wangjydfkljfdljkdfjldfkldfjkljkldfjkldfjkl");
temNode=new DefaultMutableTreeNode("wangjydfkljfdljkdfjldfkldfjkljkldfjkldfjkl is son");
root.add(temNode);
DefaultMutableTreeNode tem=new DefaultMutableTreeNode("sonson");
for(int i=0;i<5;i++){
temNode.add(tem);
}
jTree1 = new JTree(root);
jTree1.getSelectionModel().setSelectionMode(TreeSelectionModel.
SINGLE_TREE_SELECTION);
//为叶子增加图片
//this.SetLeafPicture();
}
catch (Exception e) {
e.printStackTrace();
}
}
//Component initialization
private void jbInit() throws Exception {
this.setSize(new Dimension(400, 300));
this.getContentPane().setLayout(null);
jPanel1.setBounds(new Rectangle(4, 0, 393, 297));
jPanel1.setLayout(null);
jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);//垂直切份
this.getContentPane().add(jPanel1);
jPanel1.add(jSplitPane1);
jSplitPane1.add(jTree1, JSplitPane.BOTTOM);
jSplitPane1.setBounds(new Rectangle(21, 0, 384, 289));
jSplitPane1.setDividerLocation(100);
jTree1.setEnabled(true);
jTree1.setAutoscrolls(true);
jTree1.setBorder(BorderFactory.createLineBorder(Color.black));
jTree1.setRequestFocusEnabled(true);
jTree1.setCellEditor(null);
jTree1.setEditable(false);
jTree1.setExpandsSelectedPaths(true);
jTree1.setRootVisible(true);
}
//Get Applet information
public String getAppletInfo() {
return "Applet Information";
}
//Get parameter info
public String[][] getParameterInfo() {
return null;
}
//static initializer for setting look & feel
static {
try {
//UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
//UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
}
catch (Exception e) {
}
}
}
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