我大概写了一下,插入的功能已经写了,其他可以自己照着写。不要说这里的人怎么样,没有人有义务一定要帮你,而且自己不动手,就等别人写,这样也不是一个做开发的应该有的态度。下面是我写的,你可以参考下,附件中有工程。
package bean;
/**
 * 表示一个会员的信息
 * @author baifenghan
 *
 */
public class Person {
    /**
     * 电话号码,由于号码不会重复,这里就用电话号码作为主键
     */
    private String phone;
    private String name;
    private String city;
    private String interest;
    public Person() {};
    public Person(String name, String phone, String city, String interest) 
    {
        this.name = name;
        this.phone = phone;
        this.city = city;
        this.interest = interest;
    };
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getCity() {
        return city;
    }
    public void setCity(String city) {
        this.city = city;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
    public String getInterest() {
        return interest;
    }
    public void setInterest(String interest) {
        this.interest = interest;
    }
    
    @Override
    public boolean equals(Object arg0) {
        Person p = (Person)arg0;
        return this.getPhone().equals(p.getPhone());
    }
    
    @Override
    public int hashCode() {
        return this.getPhone().hashCode() * 17;
    }
    
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(this.getName()).append("\t");
        sb.append(this.getPhone()).append("\t");
        sb.append(this.getCity()).append("\t");
        sb.append(this.getInterest()).append("\t");
        return sb.toString();
    }
}
package dao;
import java.sql.Connection;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import utils.DBUtils;
import bean.Person;
public class PersonDao {
    public void insertPerson(Person p){
        Connection con;
        try {
            con = DBUtils.getConnction();
            Statement s = con.createStatement();
            StringBuffer sb = new StringBuffer();
            sb.append("insert into person('name', 'phone', 'city', 'interest') values(");
            sb.append(p.getName()).append(", ");
            sb.append(p.getPhone()).append(", ");
            sb.append(p.getCity()).append(", ");
            sb.append(p.getInterest()).append(");");
            s.execute(sb.toString());
            s.close();
            con.close();
        } catch (Exception e) {
            System.out.println("DB Error");
            e.printStackTrace();
        }
    };
    public void updatePerson(Person p) {
    };
    public void deletePerson(String phoneName) {
    };
    public List<Person> queryPersonByName(String name) {
        List<Person> ret = new ArrayList<Person>();
        return ret;
    };
    public List<Person> queryPersonByPhone(String phone) {
        List<Person> ret = new ArrayList<Person>();
        return ret;
    };
}
package utils;
import 
import 
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;
public class DBUtils {
    
    private static Connection con;
    
    /**
     * 获得数据库连接
     * @return
     * @throws Exception
     */
    public static Connection getConnction() throws Exception
    {
        if (con == null) 
        {
            Properties config = getDBConfig();
            String url = config.getProperty("url");
            String driverName = config.getProperty("driverName");
            String userName = config.getProperty("userName");
            String password = config.getProperty("password");
            Class.forName(driverName);
            con = DriverManager.getConnection(url, userName, password);
        }
        return con;
    }
    
    /**
     * 获得数据库配置信息
     * @return
     * @throws Exception
     */
    private static Properties getDBConfig() throws Exception
    {
        InputStream in = new FileInputStream("db_config.propertires");
        Properties p = new Properties();
        p.load(in);
        return p;
    }
}
package view;
import java.util.List;
import java.util.Scanner;
import bean.Person;
import dao.PersonDao;
public class Main {
    
    private enum entrance {
        NONE, INSERTER, UPDATE, DELETE, QUERY, QUERY_BY_NAME, QUERY_BY_PHONE};
    private PersonDao dao;
    
    public Main() 
    {
        dao = new PersonDao();
    }
    
    public void chooseFunction() 
    {
        System.out.println("欢迎使用");
        System.out.println("\t1. Insert person");
        System.out.println("\t2. Update person");
        System.out.println("\t3. Delete person");
        System.out.println("\t4. Query Person");
        Scanner sc = new Scanner(System.in);
        int input = sc.nextInt();
        if (input == entrance.INSERTER.ordinal()) 
        {
            dao.insertPerson(inputNewPerson());
        }
        else if (input == entrance.UPDATE.ordinal()) 
        {
            inputUpdatePerson();
        }
        else if (input == entrance.DELETE.ordinal()) 
        {
            dao.deletePerson(inputDeletePerson());
        }
        else if (input == entrance.QUERY.ordinal()) 
        {
            List<Person> persons = inputQueryInfo();
            System.out.println("name\tphone\tcity\tinterest");
            for (Person person : persons) {
                System.out.println(person);
            }
        }
    }
    
    private Person inputNewPerson() 
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Please input user name:");
        String name = sc.next();
        System.out.println("Please input phone number:");
        String phone = sc.next();
        System.out.println("Please input city:");
        String city = sc.next();
        System.out.println("Please input interest:");
        String interest = sc.next();
        
        Person ret = new Person(name, phone, city, interest);
        
        return ret;
    }
    
    private void inputUpdatePerson() 
    {
        System.out.println("留下练习的人自己写吧");
    }
    
    private String inputDeletePerson() 
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Please input the phone number of delete Person:");
        String phone = sc.next();
        return phone;
    }
    
    private List<Person> inputQueryInfo() 
    {
        List<Person> ret = null;
        Scanner sc = new Scanner(System.in);
        System.out.println("\t5. Query by name");
        System.out.println("\t6. Query by phone");
        int input = sc.nextInt();
        if (input == entrance.QUERY_BY_NAME.ordinal()) 
        {
            System.out.println("Please input the name of query person:");
            ret = dao.queryPersonByName(sc.next());
        }
        else if (input == entrance.QUERY_BY_PHONE.ordinal()) 
        {
            System.out.println("Please input the phone number of query person:");
            ret = dao.queryPersonByPhone(sc.next());
        }
        return ret;
    }
}
package apps;
import view.Main;
public class App {
    public static void main(String[] args) {
        Main m = new Main();
        m.chooseFunction();
    }
}
db_config.properties的内容:
url="jdbc:mysql://localhost:3306/test"
driverName="com.mysql.jdbc.Driver"
userName=root
password=root