//先封装一个数据封装的类，Player.java
package test02;

public class Player {
    private String ID;
    private String passWord;
    private String loginMode;
    
    public Player(){
        
    }

    public Player(String id, String passWord,
            String loginMode) {
        super();
        ID = id;
        this.passWord = passWord;
        this.loginMode = loginMode;
    }

    public String getID() {
        return ID;
    }

    public void setID(String id) {
        ID = id;
    }

    public String getPassWord() {
        return passWord;
    }

    public void setPassWord(String passWord) {
        this.passWord = passWord;
    }

    public String getLoginMode() {
        return loginMode;
    }

    public void setLoginMode(String loginMode) {
        this.loginMode = loginMode;
    }
    
    public String toString(){
        return this.ID+" " + this.passWord + " " + this.loginMode;
    }
    
    //写一个发送到服务器的信息
    public void send(String serverip){
        //具体的服务器IP,和数据
        String s = this.toString(); 
        //将s转换为服务器所接受的字节码，或者其他编码类型
        //根据数据的封装，服务器的IP来发送，我这是根据对象的toString来发送
        //假定服务器是通过解析String来执行操作的;
    }
    
}

//通过反射机制来动态加载文件和player.class
package test02;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Properties;

public class LoginPlayer {
    private static Properties  p;
    static{
        p = new Properties();
        try {
            p.load(new FileInputStream("login.txt"));
        } catch (FileNotFoundException e) {
            
            e.printStackTrace();
        } catch (IOException e) {
            
            e.printStackTrace();
        }
        String loginServerIP = p.getProperty("loginServerIP");
        String ID = p.getProperty("ID");
        String passWord =p.getProperty("passWord");
        String loginMode = p.getProperty("loginMode");
        String TypeClass = p.getProperty("TypeClass");        
        try {
            Class<?> c = Class.forName("test02.Player");
            Class<?> cc = Class.forName(TypeClass);
            Constructor<?> con = null;
            try {
                con = c.getConstructor(cc,cc,cc,cc);
                Object obj = null;
                try {
                    obj = con.newInstance(ID,passWord,loginMode);
                    Method m = c.getDeclaredMethod("send", cc);
                    m.invoke(obj,loginServerIP);
                } catch (IllegalArgumentException e) {
                    
                    e.printStackTrace();
                } catch (InstantiationException e) {
                    
                    e.printStackTrace();
                } catch (IllegalAccessException e) {
                    
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    
                    e.printStackTrace();
                }
                
            } catch (SecurityException e) {
                
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                
                e.printStackTrace();
            }
        } catch (ClassNotFoundException e) {
            
            e.printStackTrace();
        }
    }    
    
}