java6. 完成一个通讯录，要求实现如下功能: （1）添加联系人(联系人:编号,姓名,手机号,QQ,邮箱地址)添加时需要检查手机号和邮箱地址格式是否正确，若不正确，不允许添加 （2）联系人查询(输入姓名或电话查询) （3）显示联系人列表 （4）根据编号删除指定编号的联系人

下面是一个示例的通讯录程序的实现代码：

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

class Contact {
    private int id;
    private String name;
    private String phoneNumber;
    private String qq;
    private String email;

    public Contact(int id, String name, String phoneNumber, String qq, String email) {
        this.id = id;
        this.name = name;
        this.phoneNumber = phoneNumber;
        this.qq = qq;
        this.email = email;
    }

    public int getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public String getQq() {
        return qq;
    }

    public String getEmail() {
        return email;
    }
}

class AddressBook {
    private List<Contact> contacts;

    public AddressBook() {
        contacts = new ArrayList<>();
    }

    public void addContact(Contact contact) {
        if (validatePhoneNumber(contact.getPhoneNumber()) && validateEmail(contact.getEmail())) {
            contacts.add(contact);
            System.out.println("联系人添加成功！");
        } else {
            System.out.println("手机号或邮箱地址格式不正确，联系人添加失败！");
        }
    }

    public List<Contact> searchContact(String keyword) {
        List<Contact> searchResult = new ArrayList<>();
        for (Contact contact : contacts) {
            if (contact.getName().equalsIgnoreCase(keyword) || contact.getPhoneNumber().equals(keyword)) {
                searchResult.add(contact);
            }
        }
        return searchResult;
    }

    public void displayContacts() {
        if (contacts.isEmpty()) {
            System.out.println("通讯录为空！");
        } else {
            System.out.println("联系人列表：");
            for (Contact contact : contacts) {
                System.out.println("编号：" + contact.getId());
                System.out.println("姓名：" + contact.getName());
                System.out.println("手机号：" + contact.getPhoneNumber());
                System.out.println("QQ：" + contact.getQq());
                System.out.println("邮箱地址：" + contact.getEmail());
                System.out.println("--------------------");
            }
        }
    }

    public void deleteContact(int id) {
        int index = -1;
        for (int i = 0; i < contacts.size(); i++) {
            if (contacts.get(i).getId() == id) {
                index = i;
                break;
            }
        }
        if (index != -1) {
            contacts.remove(index);
            System.out.println("联系人删除成功！");
        } else {
            System.out.println("未找到对应编号的联系人！");
        }
    }

    private boolean validatePhoneNumber(String phoneNumber) {
        // 验证手机号格式是否正确
        String regex = "^1[3456789]\\d{9}$";
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(phoneNumber);
        return matcher.matches();
    }

    private boolean validateEmail(String email) {
        // 验证邮箱地址格式是否正确
        String regex = "^[A-Za-z0-9]+([._\\\\-]*[A-Za-z0-9])*@([A-Za-z0-9]+[-\\\\.])+[A-Za-z]{2,6}$";
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(email);
        return matcher.matches();
    }
}

public class Main {
    public static void main(String[] args) {
        AddressBook addressBook = new AddressBook();
        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("请选择操作：");
            System.out.println("1. 添加联系人");
            System.out.println("2. 联系人查询");
            System.out.println("3. 显示联系人列表");
            System.out.println("4. 根据编号删除联系人");
            System.out.println("0. 退出");

            int choice = scanner.nextInt();
            scanner.nextLine(); // 读取换行符

            switch (choice) {
                case 1:
                    System.out.println("请输入联系人信息：");
                    System.out.print("编号：");
                    int id = scanner.nextInt();
                    scanner.nextLine(); // 读取换行符
                    System.out.print("姓名：");
                    String name = scanner.nextLine();
                    System.out.print("手机号：");
                    String phoneNumber = scanner.nextLine();
                    System.out.print("QQ：");
                    String qq = scanner.nextLine();
                    System.out.print("邮箱地址：");
                    String email = scanner.nextLine();

                    Contact contact = new Contact(id, name, phoneNumber, qq, email);
                    addressBook.addContact(contact);
                    break;

                case 2:
                    System.out.println("请输入查询关键词（姓名或电话）：");
                    String keyword = scanner.nextLine();
                    List<Contact> searchResult = addressBook.searchContact(keyword);
                    if (searchResult.isEmpty()) {
                        System.out.println("未找到匹配的联系人！");
                    } else {
                        System.out.println("查询结果：");
                        for (Contact result : searchResult) {
                            System.out.println("编号：" + result.getId());
                            System.out.println("姓名：" + result.getName());
                            System.out.println("手机号：" + result.getPhoneNumber());
                            System.out.println("QQ：" + result.getQq());
                            System.out.println("邮箱地址：" + result.getEmail());
                            System.out.println("--------------------");
                        }
                    }
                    break;

                case 3:
                    addressBook.displayContacts();
                    break;

                case 4:
                    System.out.println("请输入要删除的联系人编号：");
                    int contactId = scanner.nextInt();
                    addressBook.deleteContact(contactId);
                    break;

                case 0:
                    System.out.println("程序已退出！");
                    return;

                default:
                    System.out.println("无效的操作！");
            }
        }
    }
}

你可以根据需要进行修改和完善，以满足你的具体要求。注意在添加联系人时，会检查手机号和邮箱地址的格式是否正确，如果不正确，则不允许添加联系人。