openaccounttestclient1.java

EJB的网上银行系统,非常具有参考价值

package bankonlinesystem.openaccount.ejb.session;

import javax.naming.*;
import javax.rmi.PortableRemoteObject;
import bankonlinesystem.openaccount.dto.AccountDto;
import java.lang.String;
import java.math.BigDecimal;
import java.util.Properties;
import java.util.ArrayList;
import java.math.BigDecimal;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.naming.Context;

public class OpenAccountTestClient1 {
    private static final String ERROR_NULL_REMOTE = "Remote interface reference is null.  It must be created by calling one of the Home interface methods first.";
    private OpenAccount openAccount = null;
    private OpenAccountHome openAccountHome = null;

    //Construct the EJB test client
    public OpenAccountTestClient1() {
        initialize();
    }

    public void initialize() {

        try {

            //get naming context
            Context context = getInitialContext();
            //look up jndi name
            Object ref = context.lookup("OpenAccount");
            //look up jndi name and cast to Home interface
            openAccountHome = (OpenAccountHome) PortableRemoteObject.narrow(ref,
                    OpenAccountHome.class);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    public Context getInitialContext() throws Exception {
        String url = "t3://localhost:7001";
        String user = null;
        String password = null;
        Properties properties;
        try {
            properties = new Properties();
            properties.put(Context.INITIAL_CONTEXT_FACTORY,
                           "weblogic.jndi.WLInitialContextFactory");
            properties.put(Context.PROVIDER_URL, url);
            if (user != null) {
                properties.put(Context.SECURITY_PRINCIPAL, user);
                properties.put(Context.SECURITY_CREDENTIALS,
                               password == null ? "" : password);
            }
            return new javax.naming.InitialContext(properties);
        } catch (Exception e) {
            System.out.println("Unable to connect to WebLogic server at " + url);
            System.out.println("Please make sure that the server is running.");
            throw e;
        }
    }

    //----------------------------------------------------------------------------
    // Methods that use Home interface methods to generate a Remote interface reference
    //----------------------------------------------------------------------------

    public OpenAccount create() {
        try {
            openAccount = openAccountHome.create();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return openAccount;
    }

    //----------------------------------------------------------------------------
    // Methods that use Remote interface methods to access data through the bean
    //----------------------------------------------------------------------------

    public void register(AccountDto account) {
        if (openAccount == null) {
            System.out.println("Error in register(): " + ERROR_NULL_REMOTE);
            return;
        }

        try {
            openAccount.register(account);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public int login(String user, String password) {
        int returnValue = 0;
        if (openAccount == null) {
            System.out.println("Error in login(): " + ERROR_NULL_REMOTE);
            return returnValue;
        }

        try {
            returnValue = openAccount.login(user, password);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return returnValue;
    }

    public AccountDto getAccount(String user) {
        AccountDto returnValue = null;
        if (openAccount == null) {
            System.out.println("Error in getAccount(): " + ERROR_NULL_REMOTE);
            return returnValue;
        }

        try {
            returnValue = openAccount.getAccount(user);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return returnValue;
    }

    public void modifyMondy(String id, String operator, BigDecimal money) {
        if (openAccount == null) {
            System.out.println("Error in modifyMondy(): " + ERROR_NULL_REMOTE);
            return;
        }

        try {
            openAccount.modifyMondy(id, operator, money);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void changPassword(String id, String password) {
        if (openAccount == null) {
            System.out.println("Error in changPassword(): " + ERROR_NULL_REMOTE);
            return;
        }

        try {
            openAccount.changPassword(id, password);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public ArrayList getAllRecordByID(String id) {
        ArrayList returnValue = null;
        if (openAccount == null) {
            System.out.println("Error in getAllRecordByID(): " +
                               ERROR_NULL_REMOTE);
            return returnValue;
        }

        try {
            returnValue = openAccount.getAllRecordByID(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return returnValue;
    }

    //----------------------------------------------------------------------------
    // Utility Methods
    //----------------------------------------------------------------------------

    public OpenAccountHome getHome() {
        return openAccountHome;
    }

    //Main method
    public static void main(String[] args) {
        OpenAccountTestClient1 client = new OpenAccountTestClient1();
         try {
             OpenAccountHome home = client.getHome();
             OpenAccount account = home.create();
             //登录测试(成功)
             int flag = account.login("436100020003000123","22");
             System.out.println("登录成功:"+flag);
             //取出会话里，javaBean的值
             AccountDto accountDto = account.getAccount("436100020003000123");
             System.out.println("开户ID："+accountDto.getID()+" 余额："+accountDto.getOpenDate());
             //存款测试
             account.modifyMondy("436100020003000123","存款",new BigDecimal(10));
             System.out.println("存款成功");
             //取款测试
             account.modifyMondy("436100020003000123","取款",new BigDecimal(10));
             System.out.println("取款成功");
             //修改密码测试
             account.changPassword("436100020003000123","22");
             System.out.println("修改密码成功");
             //转帐测试
             account.modifyMondy("436100020003000123","取款",new BigDecimal(2));
             account.modifyMondy("436100020003000124","存款",new BigDecimal(2));
             System.out.println("转帐成功");
         } catch (Exception ex) {
             ex.printStackTrace();
         }
    }
}