inputcourse.java~3~

java语言写的

package scoremis;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class InputCourse extends JFrame{
  JLabel jLabel1 = new JLabel("课程基本信息注册");
  JLabel jLabel2 = new JLabel("课程名称:");
  JTextField course = new JTextField();
  JLabel jLabel3 = new JLabel("学时:");
  JTextField period = new JTextField();
  JLabel jLabel4 = new JLabel("学分:");
  JTextField credit = new JTextField();
  JButton sure = new JButton("确定");
  JButton con = new JButton("继续");
  JButton cancel = new JButton("退出");
  String sql = " ";
  public InputCourse() {
    try {
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    setTitle("课程注册");
    getContentPane().setLayout(null); //设置布局管理器为"空"布局
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 22)); //设置个组件的位置
    jLabel1.setBounds(new Rectangle(77, 13, 186, 47));
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel2.setText("课程名称：");
    jLabel2.setBounds(new Rectangle(70, 79, 69, 35));
    course.setBounds(new Rectangle(144, 84, 148, 30));
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel3.setText("学        时：");
    jLabel3.setBounds(new Rectangle(70, 119, 68, 33));
    period.setBounds(new Rectangle(144, 121, 148, 29));
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel4.setToolTipText("");
    jLabel4.setText("学        分：");
    jLabel4.setBounds(new Rectangle(70, 153, 75, 38));
    credit.setBounds(new Rectangle(144, 158, 148, 28));
    sure.setBounds(new Rectangle(60, 224, 71, 28));
    sure.setFont(new java.awt.Font("Dialog", 0, 12));
    con.setBounds(new Rectangle(145, 224, 71, 28));
    con.setFont(new java.awt.Font("Dialog", 0, 12));
    cancel.setBounds(new Rectangle(230, 224, 71, 28));
    cancel.setFont(new java.awt.Font("Dialog", 0, 12));
    sure.addActionListener(new EventHandel()); //给按钮添加监视器
    con.addActionListener(new EventHandel());
    cancel.addActionListener(new EventHandel());//添加各个组件
    getContentPane().add(cancel);
    this.getContentPane().add(jLabel1);
    this.getContentPane().add(course);
    this.getContentPane().add(jLabel2);
    this.getContentPane().add(jLabel3);
    this.getContentPane().add(period);
    this.getContentPane().add(jLabel4);
    this.getContentPane().add(credit);
    this.getContentPane().add(sure);
    this.getContentPane().add(con);
  }
  class EventHandel implements ActionListener{//事件处理类
    public void actionPerformed(ActionEvent e){
  if (e.getSource() ==con){//处理 "继续"事件
    course.setText(" ");
    period.setText(" ");
    credit.setText(" ");
  }else if(e.getSource()==cancel ){//处理 "退出"事件
    setVisible(false);
  }else{//处理 "确定添加"事件
    dbconn db=new dbconn();
    String kc=course.getText() ;
    String xs=period.getText() ;
    String xf=credit.getText() ;
    sql="insert into course(cname,period,credit) values('"+kc+"','"+xs+"','"+xf+"')";
    int i=db.Update(sql);
    if (i>0)
      JOptionPane.showMessageDialog(null,"课程录入成功!!");
      else
        JOptionPane.showMessageDialog(null,"录入失败!!");
     }
    }
  }
}