search.java

在java环境下开发的一个笔记记录及管理工具

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package stageexperiment;
import javax.swing.*;
import java.awt.event.*;
import java.io.BufferedReader; 
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author lina
 */
public class Search extends JFrame
 {  
     int x;
     String  t;
     String  w;
     String  f;
     String  p;
     String k;
     String r;
    JLabel  topic;
    JLabel  writer;
    JLabel  filename;
    JLabel  path;
    JLabel keyword;
    JLabel remark;  
    JTextField jTextFieldtopic;
    JTextField jTextFieldwriter;
    JTextField jTextFieldfilename;
    JTextField jTextFieldpath;
    JTextField jTextFieldkeyword;
    JTextField jTextFieldremark;
    JButton search;
    JButton exit;
    Notes n=new Notes();
  public Search(final AllNotes an,final Main m)
  {     
        this.setLayout(null);//设置布局管理器为null
    	//初始化各个控件
    	topic=new JLabel("题目");
    	writer=new JLabel("作者");
    	filename=new JLabel("笔记文件名");
        path=new JLabel("路径");
        keyword=new JLabel("关键词");
        remark=new JLabel("备注");
    	jTextFieldtopic=new JTextField();
        jTextFieldwriter=new JTextField();
        jTextFieldfilename=new JTextField();
        jTextFieldpath=new JTextField();
        jTextFieldkeyword=new JTextField();
        jTextFieldremark=new JTextField();
    	search= new JButton("确定");
    	exit=new JButton("取消");

    	//设置控件位置
    	this.topic.setBounds(10,10,80,20);
        this.filename.setBounds(10,50,80,20);
    	this.keyword.setBounds(10,130,80,20);
        this.path.setBounds(10,170,80,20);
    	this.remark.setBounds(10,210,80,20);
    	this.writer.setBounds(10,90,80,20);
        this.jTextFieldtopic.setBounds(100,10,150,20);
    	this.jTextFieldfilename.setBounds(100,50,150,20);
        this.jTextFieldkeyword.setBounds(100,130,150,20);
        this.jTextFieldpath.setBounds(100,170,150,20);
        this.jTextFieldremark.setBounds(100,210,150,20);
        this.jTextFieldwriter.setBounds(100,90,150,20);
        this.search.setBounds(50, 250, 100, 30);
        this.exit.setBounds(150, 250, 100, 30);
    	//将控件添加到面板上
    	this.add(topic);
        this.add(filename);  
    	this.add(keyword); 
    	this.add(path); 
    	this.add(remark);
    	this.add(writer);
    	this.add(jTextFieldtopic);
        this.add(jTextFieldfilename);
    	this.add(jTextFieldkeyword);
    	this.add(jTextFieldpath);
    	this.add(jTextFieldremark);
    	this.add(jTextFieldwriter);
    	this.add(search);
        this.add(exit); 
    	this.setBounds(330,300,300,350);
    	this.setTitle("输入查找条件");  
    	this.setVisible(true);
    search.addActionListener(new ActionListener()
     {public void actionPerformed(ActionEvent e)
       {  int i=0,j=0;
          t=jTextFieldtopic.getText();
          w=jTextFieldwriter.getText();
          f=jTextFieldfilename.getText();
          p=jTextFieldpath.getText();
          k=jTextFieldkeyword.getText();
          r=jTextFieldremark.getText();
          if(f.equals("")&&k.equals("")&&p.equals("")&&r.equals("")&&t.equals("")&&w.equals(""))
             { JOptionPane.showMessageDialog(null,"查询条件不能为空","错误",JOptionPane.INFORMATION_MESSAGE);i=1;}
          else 
          { 
             for(i=0;i<an.getLength();i++)
              { if((f.equals("")||f.equals(an.all[i].filename))&&(k.equals("")||k.equals(an.all[i].keyword))&&(p.equals("")||p.equals(an.all[i].path))&&(r.equals("")||r.equals(an.all[i].remark))&&(t.equals("")||t.equals(an.all[i].topic))&&(w.equals("")||w.equals(an.all[i].writer)))
                {j++;x=i;}
               }
             if(j==0)
               {
                 JOptionPane.showMessageDialog(null,"没有你想要的笔记记录","未找到",JOptionPane.INFORMATION_MESSAGE);i=0;
                }
             if(j==1)
               { n=an.all[x];
                 JOptionPane.showMessageDialog(null,"确定查看","查询成功",JOptionPane.INFORMATION_MESSAGE);i=0;
               }
             if(j>1){ JOptionPane.showMessageDialog(null,"查询到多个结果，请输入更详细信息继续查找","注意",JOptionPane.INFORMATION_MESSAGE);i=1;}
          }
          if(i==0)
          {
           String str="",s;
           BufferedReader output=null;
                try {
                    m.jTextFieldtopic.setText(n.topic); 
                    m.jTextFieldwriter.setText(n.writer);
                    m.jTextFieldftime.setText(n.ftime);
                    File readSource = new File(n.path,n.filename);
                    output = new BufferedReader(new FileReader(readSource));
                    try {
                        while ((s = output.readLine()) != null) {
                            str += s+"\r\n";
                        }
                        m.text.setText(str); output.close();
                    } catch (IOException ex) {
                        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
                    }
                } catch (FileNotFoundException ex) {
                    Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
                } 
           setVisible(false);} 
       }
    });
   exit.addActionListener(new ActionListener() 
     {public void actionPerformed(ActionEvent e) 
      {  
          setVisible(false);    
      }
    });
  }
  public Notes searched(){return n;}
 }