java写的身份证验证系统

import java.awt.*; import java.awt.event.*; class IdNum extends Frame implements ActionListener { int flag = 1; int n[] = new int[17]; int y,m,d; String num; MenuBar mb; Menu m1; MenuItem m11,m12; Label lb; TextField t1,t2; Button b1,b2; TextArea ta; IdNum() { super("IdNum"); Toolkit tool = getToolkit(); Dimension dim = tool.getScreenSize(); setLayout(new FlowLayout()); mb = new MenuBar(); m1 = new Menu("Choice"); m11 = new MenuItem("New"); m12 = new MenuItem("Exit"); m1.add(m11); m1.addSeparator(); m1.add(m12); mb.add(m1); this.setMenuBar(mb); lb = new Label("Id number:"); t1 = new TextField(20); b1 = new Button("Onclick"); b2 = new Button("Clear"); t2 = new TextField(40); ta = new TextArea(10,50); this.add(lb); this.add(t1); this.add(b1); this.add(b2); this.add(t2); this.add(ta); m11.setShortcut(new MenuShortcut(KeyEvent.VK_N)); m12.setShortcut(new MenuShortcut(KeyEvent.VK_E)); t2.setEditable(false); ta.setEditable(false); m11.addActionListener(this); m12.addActionListener(this); t1.addActionListener(this); b1.addActionListener(this); b2.addActionListener(this); setTitle("身份证号验证"); setVisible(true); setBounds(dim.width/3,dim.height/3,600,500); } public void actionPerformed(ActionEvent e) //检测后，事件处理 { if(e.getSource()==m11) { t1.setText(""); t2.setText(""); ta.setText(""); } else if(e.getSource()==m12) { System.exit(0); } else if(e.getSource()==b2) { t1.setText(""); } else { num = t1.getText(); primaryCheck(); if(flag==1) { dateCheck(); } else; if(flag==1) { confirmationCodeCheck(); } else; result(); } } void primaryCheck() //利用正则表达式初步判定 { String model = "500[123]\\d{2}[12]\\d{3}[01]\\d[0123]\\d{4}[0-9[x]]"; if(num.matches(model)); else { flag = 0; } } void dateCheck() //判断年月日是否满足条件 { for(int i = 0;i<17;i++) { n[i] = Integer.parseInt(num.substring(i,i+1)); } y = 1000*n[6]+100*n[7]+10*n[8]+n[9]; m = 10*n[10]+n[11]; d = 10*n[12]+n[13]; if(!((1810<y)&&(y<=2010)&&(1<=m)&&(m<=12))) //判断年月 { flag = 0; } else; if(flag==1) //判断日 { switch(m) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(!((1<=d)&&(d<=31))) { flag = 0; } break; case 4: case 6: case 9: case 11: if(!((1<=d)&&(d<=30))) { flag = 0; } break; case 2: if(!((1<=d)&&(d<=28))) { if(!(((y%4==0)&&(y%100!=0)||(y%400==0))&&(d==29))) //闰年情况 flag = 0; else; } break; } } } void confirmationCodeCheck() //身份证号最后位（校验码）是否正确 { char c[] = new char[1]; int check = (7*n[0]+9*n[1]+10*n[2]+5*n[3]+8*n[4]+4*n[5]+2*n[6]+1*n[7]+6*n[8]+3*n[9]+7*n[10]+9*n[11]+10*n[12]+5*n[13]+8*n[14]+4*n[15]+2*n[16])%11; num.getChars(17,18,c,0); switch(check) { case 0: if(c[0]!='1') flag=0; break; case 1: if(c[0]!='0') flag=0; break; case 2: if(c[0]!='x') flag=0; break; case 3: if(c[0]!='9') flag=0; break; case 4: if(c[0]!='8') flag=0; break; case 5: if(c[0]!='7') flag=0; break; case 6: if(c[0]!='6') flag=0; break; case 7: if(c[0]!='5') flag=0; break; case 8: if(c[0]!='4') flag=0; break; case 9: if(c[0]!='3') flag=0; break; case 10: if(c[0]!='2') flag=0; break; } } void result() //输出结果，如满足条件，输出用户信息 { char sex; if(flag==0) { t2.setText(num+"不是一个正确的重庆身份证号"); } else { t2.setText(num+"是一个正确的重庆身份证号"); if(n[16]%2==0) sex = '女'; else sex = '男'; ta.setText("输出用户信息"+"\n"+"性别："+sex+"\n"+"出生日期："+y+"年"+m+"月"+d+"日"); } } public static void main(String args[]) { new IdNum(); } }