电话管理系统.java

核心提示：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() { setLayou

　　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("用户电话号码治理",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("身份证号",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("家庭住址",Label.CENTER); l2=new Label("电话号码",Label.CENTER); t1=new TextField(10); t2=new TextField(10); add(l1); add(t1); add(l2); add(t2); } } class p4 extends Panel { Label l1,l2; TextField t1,t2; Button BTn1; p4() { setLayout(new GridLayout(1,5)); l1=new Label("话费余额",Label.CENTER); l2=new Label("预交话费",Label.CENTER); t1=new TextField(15); t2=new TextField(15); btn1=new Button("确认"); add(l1); add(t1); add(l2); add(t2); add(btn1); } } class p5 extends Panel { Label l1; TextField t1; p5() { setLayout(new GridLayout(1,2)); l1=new Label("预交时话费总额",Label.CENTER); t1=new TextField(20); add(l1); add(t1); } } class p6 extends Panel { Button btn1,btn2; p6() { setLayout(new GridLayout(1,2)); btn1=new Button("按用户姓名查询"); btn2=new Button("按电话号码查询"); add(btn1); add(btn2); } } class p7 extends Panel { Button btn1,btn2,btn3,btn4,btn5; p7() { setLayout(new GridLayout(1,5)); btn1=new Button("修改"); btn2=new Button("添加"); btn3=new Button("删除"); btn4=new Button("清空"); btn5=new Button("退出系统"); add(btn1); add(btn2); add(btn3); add(btn4); add(btn5); } } class user { String username; String id; String address; String phonenumber; double phonefee; user(String x1,String x2,String x3,String x4,double x5) { username=x1; id=x2; address=x3; phonenumber=x4; phonefee=x5; } } 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));