adddic.java

一个JAVA小字典,很简单的功能实现

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;
import javax.swing.*;
import java.io.*;
import java.awt.event.*;
import java.applet.*;
public class AddDic extends JApplet implements ActionListener{
	
	 JLabel jlInput = new JLabel("输入要添加的单词");
	 JLabel jlExplanation = new JLabel("输入添加单词的解释");
     JTextField jtfInput = new JTextField();
     JTextField jtfExplanation = new JTextField();
     String[] inputArray;
	 int lastPosition;
	 
	 JButton  jbthandUp = new JButton("提交")  ;
	 
	 AudioClip audioClip = Applet.newAudioClip(this.getClass().getResource("wb022.wav"));
	
	public AddDic(){
		
		 
	}
		
		public void init()
		{
		//setVisible(true);
		
		//setSize(200,150);
		JPanel jpanel = new JPanel();
		
		jpanel.setLayout(new GridLayout(4,1));
		
		
		
	    jpanel.add(jlInput);
	    jpanel.add(jtfExplanation);
	    jpanel.add(jlExplanation);
	    jpanel.add(jtfInput);
	   
	   // creat jbtPanel to hold the button
	    
		 JPanel jbtPanel = new JPanel();
	   
		jbtPanel.add( jbthandUp);
		
		getContentPane().add(jpanel,BorderLayout.CENTER);
		getContentPane().add(jbtPanel,BorderLayout.SOUTH);
		
		JFrame frame = new JFrame();
		
		frame.setVisible(true);
		frame.setSize(200,150);
		frame.getContentPane().add(this);
		
		
		
		jbthandUp.addActionListener(this);
		}
	
			public void  actionPerformed(ActionEvent e){
				
				/* create a object of Search to invoke the method the check the word whether exits*/
				Search searchWord=new Search();
				 
				if(e.getSource()==jbthandUp){
			      
					//判断输入框是否为空
					
					String wordToAdd ="";
			       String wordToTranslate ="";
			       
			       wordToAdd+=jtfInput.getText();
			       
			       wordToTranslate+= jtfExplanation.getText();
					
			       String notice = "添加的单词或解释不能为空！";
					
			            if((wordToAdd.equals(""))||wordToTranslate.equals("")){
			            	  audioClip.play();
				         JOptionPane.showMessageDialog(null,notice);
				       
				
			            }
			
			            else {
			            	if(!searchWord.haveTheWord(jtfInput.getText(), inputArray)){
			              
			                 try{
			            		FileWriter output = new FileWriter("library.txt",true);
			            		
			            		
			            		output.append(wordToAdd+"  ");
			            		output.append(wordToTranslate+"  ");
			            		
			            		inputArray[lastPosition]=wordToAdd;
			            	    inputArray[lastPosition+1]=wordToTranslate;
			            	    
			            	    audioClip.play();
			            		JOptionPane.showMessageDialog(null, "恭喜你！添加成功");
			            		
			            		jtfInput.setText(null);
			            		jtfExplanation.setText(null);
			            		
			            		output.close();
			            		
			            	}
			            	catch(FileNotFoundException ee){}
			            	catch(IOException eee){};
			            	
			            	}
			            	else{
			            		JOptionPane.showMessageDialog(null, "此词汇已存在！");
			            		audioClip.play();
			            	jtfInput.setText(null);
		            		jtfExplanation.setText(null);
			            	}
			            }
			            
			            
				}
		}
		
		
	
	
	public  String[] showAddDic(String[]array){
		inputArray = new String[array.length+2];
		System.arraycopy(array, 0, inputArray, 0, array.length);
		
		lastPosition=array.length;
		init();
		return inputArray;
	
	}

	
		
	
}