insertstuframe.java

用java2核心类库写的一个学生课程管理系统

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class InsertStuFrame extends JFrame
{
	final private int CNT = 8;
	final private String stuInfoLableText[] = {
		"学号:   ",
		"姓名:    ",
		"性别:    ",
    	"年龄:    ",
    	"政治面貌:",
    	"专业:    ",
    	"民族:    ",
    	"籍贯:    "
	};
	
	private JLabel stuInfoLabel[] = new JLabel[CNT] ;
	private JTextField stuInfoText[] = new JTextField[CNT] ;
	private JPanel content[] = new JPanel[CNT] ;

	//使用数组而不使用单个对象的优点：
	/* 1.程序更加紧凑，简洁易读
	 *２．可扩展性更好，
	
    /*private JLabel stuIDLabel;
    private	JLabel nameLabel ;
    private	JLabel sexLabel ;
    private	JLabel ageLabel ;
    private	JLabel visageLabel ;
    private	JLabel specialityLabel;
    private	JLabel nationLabel;
    private	JLabel homeLabel;   
    	
    private JTextField stuIDText;
    private JTextField nameText;
    private JTextField sexText;
    private JTextField ageText;
    private JTextField visageText;
    private JTextField specialityText;
    private JTextField nationText;
    private JTextField homeText;	
	*/
	private JButton okBtn;
    private JButton cancleBtn;
    private JPanel confirmPanel = new JPanel();

    private static final InsertStuFrame InsertStu = new InsertStuFrame();

    public static InsertStuFrame singleInsertStuFrame()
	{
		return InsertStu;
	}

    private InsertStuFrame()
    {
    	//初始化窗口
    	initInsertStuFrame();
    	
    	//为button注册监听器
    	ClickActionListener  cal = new ClickActionListener();
    	okBtn.addActionListener(cal);
    	cancleBtn.addActionListener(cal);
    }

	private void initInsertStuFrame()
    {
    	this.setTitle("添加学生信息");

    	for (int i=0;i<CNT;i++)
    	{
    		stuInfoLabel[i] = new JLabel(stuInfoLableText[i] );
    		stuInfoText[i] = new JTextField(10);
    		content[i] = new JPanel();
    		content[i].add(stuInfoLabel[i]);
    		content[i].add(stuInfoText[i]);
    		this.add(content[i]);
    	}
    	
    	okBtn = new JButton("确定");
    	cancleBtn=new  JButton("清除");
    	
    	confirmPanel.add(okBtn);
    	confirmPanel.add(cancleBtn);
    	
    	this.add(confirmPanel);

    	this.setLayout(new FlowLayout());
    	this.setSize(380,420);
 
    	/*
    	content = new JPanel();
    	
    	stuIDLabel = new JLabel("学号:   ");
    	nameLabel = new JLabel("姓名:    ");
    	sexLabel = new JLabel("性别:    ");
    	ageLabel = new JLabel("年龄:    ");
    	visageLabel = new JLabel("政治面貌:    ");
    	specialityLabel = new JLabel("专业:    ");
    	nationLabel = new JLabel("民族:    ");
    	homeLabel = new JLabel("籍贯:    ");
    	
        stuIDText= new JTextField(10);
    	nameText = new JTextField(10);
    	sexText = new JTextField(10);
    	ageText = new JTextField(10);
    	visageText = new JTextField(10);
    	specialityText = new JTextField(10);
    	nationText = new JTextField(10);
    	homeText = new JTextField(10);
    	
    	
    	okBtn = new JButton("确定");
    	cancleBtn=new  JButton("清除");
    		
    	content.add(stuIDLabel);
    	content.add(stuIDText);
    	content.add(nameLabel);
    	content.add(nameText);
    	content.add(sexLabel);
    	content.add(sexText);
    	content.add(ageLabel);
    	content.add(ageText);
    	content.add(visageLabel);
    	content.add(visageText);
    	content.add(specialityLabel);
    	content.add(specialityText);
    	content.add(nationLabel);
    	content.add(nationText);
    	content.add(homeLabel);
    	content.add(homeText);	
  
    	content.add(okBtn);
    	content.add(cancleBtn);

    	content.setLayout(new FlowLayout());
 
    	this.add(content);
    	this.setSize(300,300);*/
    }

    class ClickActionListener implements ActionListener  
    {    
	    public void actionPerformed(ActionEvent e)
	    {
	    	String stuInfo[] = new String[CNT];
	    	
	    	/*String stuID = null;
	        String name= null;
	        String sex= null;
	        String age= null;
	        String visage = null;
	        String speciality = null;
	        String nation = null;
	        String home = null;
	        */


	    	System.out.println("insert button ");
	    	if (e.getActionCommand() == "确定")
	    	{
	    		System.out.println("insert button is 确定");
	    		
	    		
	    		for(int i = 0;i<CNT;i++)
	    		{
	    			stuInfo[i] = stuInfoText[i].getText();
	    		}
	    		/*
	    		stuID = stuIDText.getText();
	    		name = nameText.getText();
	    		sex = sexText.getText();
	    		age  = ageText.getText();
	    		visage  = visageText.getText();
	    		speciality  =specialityText.getText();
	    		nation  = nationText.getText();
	    		home  = homeText.getText();
	    		*/
	    		String sqlInsert = null;
	    		sqlInsert = "insert into 学生信息 values (" + 
	    			        "\'" + stuInfo[0] + "\'" + "," + 
	    			        "\'" + stuInfo[1] + "\'" + "," +
	    			        "\'" + stuInfo[2] + "\'" + "," +
	    			        "\'" + stuInfo[3] + "\'" + "," +
	    			        "\'" + stuInfo[4] + "\'" + "," +
	    			        "\'" + stuInfo[5] + "\'" + "," +
	    			        "\'" + stuInfo[6] + "\'" + "," +
	    			        "\'" + stuInfo[7] + "\'" +          ")" ;	   	
	    		System.out.println("sqlInsert  = "  + sqlInsert);
	    		SMISDB insertStuInfoDB = new SMISDB();
	    		
	    	    insertStuInfoDB.getTable(sqlInsert,new JFrame(),true);
	    	    //ClearAllTextField();
	    	}
	    	else if (e.getActionCommand() == "清除")
	    	{
	    		System.out.println("insert button is 清除");
	    		ClearAllTextField();
	    	}
	    }
	    
	    private void ClearAllTextField()
	    {
	    	/*stuIDText.setText("");
	    	nameText.setText("");
	    	sexText.setText("");
	        ageText.setText("");
	        visageText.setText("");
	        specialityText.setText("");;
	        nationText.setText("");
	        homeText.setText("");
	        */
	        for (int i=0;i<CNT;i++)
    	    {
    		    stuInfoText[i].setText("");
    	    }
	    }
    }    
}