知识大全 Java swing组件的串行化和读取

Posted 2022-07-19 知

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　　由于JButton和JTree都已经实现了Serializable接口因此Java swing组件的串行化和读取是可以做到的方法就是使用ObjectInputStream读取文件中的对象使用ObjectOutputStream把对象写入文件

　　如

　　import java io FileInputStream;import java io FileNotFoundException;import java io FileOutputStream;import java io IOException;import java io ObjectInputStream;import java io ObjectOutputStream;

　　import javax swing JButton;import javax swing JTree;

　　public class Save

　　public static void main(String[] args)

　　// WriteJButton button = new JButton( TEST Button );JTree tree = new JTree();try ObjectOutputStream outForButton = new ObjectOutputStream(new FileOutputStream( button ));outForButton writeObject(button);outForButton close();ObjectOutputStream outForTree = new ObjectOutputStream(new FileOutputStream( tree ));outForTree writeObject(tree);outForTree close(); catch (FileNotFoundException e) e printStackTrace(); catch (IOException e) e printStackTrace();// Read

　　try ObjectInputStream inForButton = new ObjectInputStream(new FileInputStream( button ));JButton buttonReaded = (JButton) inForButton readObject();

　　ObjectInputStream inForTree = new ObjectInputStream(new FileInputStream( tree ));JTree treeReaded = (JTree) inForTree readObject(); catch (FileNotFoundException e) e printStackTrace(); catch (IOException e) e printStackTrace(); catch (ClassNotFoundException e) // TODO Auto generated catch blocke printStackTrace();

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