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📁 java系统的学生选课系统
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<html><head><title>xuankexitong.rar - 选课源代码.txt</title></head><body>

<div style="width: 700px;height: 600px;float: left;">

<textarea cols=100 rows=35>网上选课系统.java 


作者：未知     文章来源：www.jspcn.net


访问次数： 次    加入时间：2005-01-19 


 


import java.awt.*;


import java.awt.event.*;


import java.util.*;


class p1 extends Panel


{


Label l1;


Font f=new Font("宋体",Font.BOLD,20);


p1()


{


setLayout(new GridLayout(1,1));


l1=new Label("网上选课记录系统",Label.CENTER);


l1.setFont(f);


add(l1);


}


}


class p2 extends Panel


{


Label l1,l2;


TextField t1,t2;


p2()


{


setLayout(new GridLayout(1,4));


l1=new Label("姓名",Label.CENTER);


l2=new Label("学号",Label.CENTER);


t1=new TextField(10);


t2=new TextField(10);


add(l1);


add(t1);


add(l2);


add(t2);


}


}


class p3 extends Panel


{


Label l1,l2;


TextField t1,t2;


p3()


{


setLayout(new GridLayout(1,4));


l1=new Label("专业",Label.CENTER);


l2=new Label("所属院(系)",Label.CENTER);


t1=new TextField(10);


t2=new TextField(10);


add(l1);


add(t1);


add(l2);


add(t2);


}


}


class p4 extends Panel


{


Label l1;


Button btn1;


Button btn2;


Button btn3;


Font f=new Font("宋体",Font.BOLD,20);


p4()


{


setLayout(new GridLayout(1,4));


l1=new Label("请选择您要选修的课程并确认",Label.CENTER);


btn1=new Button("查询");


btn2=new Button("确认");


btn3=new Button("退出系统");


add(l1);


add(btn1);


add(btn2);


add(btn3);


}


}


class p5 extends Panel


{


List list ;


p5()


{


setLayout(new GridLayout(1,1));


list=new List(8,true);


list.add("大学英语");


list.add("计算机图形学");


list.add("JAVA语言");


list.add("高等数学");


list.add("数据结构");


list.add("单片机");


list.add("网络应用与开发");


list.add("概率论与数理统计");


list.add("管理学概论");


list.add("数据库概论");


list.add("英语听力");


list.add("VC++");


list.add("商务英语");


list.add("会计学");


list.add("经济学");


list.add("计算机网络");


add(list);


}


}


class p6 extends Panel


{


TextArea ta;


p6()


{


setLayout(new GridLayout(1,1));


ta=new TextArea(8,30);


add(ta);


}


}


class p8 extends Panel


{


Label l1,l2,l3;


Label l4,l5,l6,l7,l9;


Panel p11,p22,p33,p44,p55;


TextField t1,t2;


Button btn;


p8()


{


p11=new Panel();


p22=new Panel();


p33=new Panel();


p44=new Panel();


p55=new Panel();


p11.setLayout(new GridLayout(1,1));


p22.setLayout(new GridLayout(1,1));


p33.setLayout(new GridLayout(1,4));


p44.setLayout(new GridLayout(1,4));


p55.setLayout(new GridLayout(1,1));


l4=new Label("");


l5=new Label("");


l6=new Label("");


l7=new Label("");


l9=new Label("");


l1=new Label("欢迎来到网上选课系统",Label.CENTER);


Font f=new Font("宋体",Font.BOLD,30);


l1.setFont(f);


l2=new Label("请输入管理员帐号",Label.CENTER);


l3=new Label("请输入管理员密码",Label.CENTER);


setBackground(Color.lightGray); 


btn=new Button("确定");


t1=new TextField(20);


t2=new TextField(15);


t2.setEchoChar(′*′);


l1.setForeground(Color.magenta);


t1.setBackground(Color.cyan);


t2.setBackground(Color.cyan);


t1.setForeground(Color.red);


t2.setForeground(Color.red);


l2.setForeground(Color.blue);


l3.setForeground(Color.blue);


p11.add(l1);


p22.add(l4);


p33.add(l5);


p33.add(l2);


p33.add(t1);


p33.add(l6);


p44.add(l7);


p44.add(l3);


p44.add(t2);


p44.add(btn);


p55.add(l9);


setLayout(new GridLayout(5,1));


add(p11);


add(p22);


add(p33);


add(p44);


add(p55);





}


}


class p9 extends Panel


{


p1 pn1=new p1();


p2 pn2=new p2();


p3 pn3=new p3();


p4 pn4=new p4();


p5 pn5=new p5();


p6 pn6=new p6();


p9()


{


setLayout(new GridLayout(6,1));


add(pn1);


add(pn2);


add(pn3);


add(pn4);


add(pn5);


add(pn6);


}


}


class user


{


String username;


String sd;


String major;


String institute;


String course;


user(String x1,String x2,String x3,String x4,String x5)


{


username=x1;


sd=x2;


major=x3;


institute=x4;


course=x5;


}


}


public class www


{


public static void main(String args[])


{


new m();


}


}


class m extends Frame implements ActionListener,ItemListener


{


StringBuffer ss=new StringBuffer("您好!您选修的课程有:");


Vector xiang=new Vector();


p9 pn9; 


p8 pn8;


CardLayout cc=new CardLayout();


Button btn1; 


Dialog d1;


m()


{


super("网上选课");


pn8=new p8();


pn9=new p9();


setLayout(cc);


add("one",pn8);


add("two",pn9);


btn1=new Button("确定");


pn9.pn1.l1.setBackground(Color.pink);


pn9.pn1.l1.setForeground(Color.blue);


pn9.pn2.l1.setBackground(Color.gray);


pn9.pn2.l1.setForeground(Color.orange);


pn9.pn2.l2.setBackground(Color.gray);


pn9.pn2.l2.setForeground(Color.orange);


pn9.pn3.l1.setBackground(Color.gray);


pn9.pn3.l1.setForeground(Color.orange);


pn9.pn3.l2.setBackground(Color.gray);


pn9.pn3.l2.setForeground(Color.orange);


pn9.pn2.t1.setForeground(Color.red);


pn9.pn2.t1.setBackground(Color.cyan);


pn9.pn2.t2.setForeground(Color.red);


pn9.pn2.t2.setBackground(Color.cyan);


pn9.pn3.t1.setForeground(Color.red);


pn9.pn3.t1.setBackground(Color.cyan);


pn9.pn3.t2.setForeground(Color.red);


pn9.pn3.t2.setBackground(Color.cyan);


pn9.pn5.list.setBackground(Color.pink);


pn9.pn5.list.setForeground(Color.blue);


pn9.pn6.ta.setBackground(Color.blue);


pn9.pn6.ta.setForeground(Color.white);


pn9.pn4.btn1.addActionLis(后面的省略...)</textarea><BR>

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