import java.util.Collection;
import java.rmi.RemoteException;
import javax.ejb.*;
//EJB CMP 1.1实战例子
public interface Cmp1BookHome extends EJBHome{
   public Cmp1Book create(String bookid,String bookname,double bookprice)
     throws RemoteException,CreateException;
   //按主键[bookid字段]查找对象
   public Cmp1Book findByPrimaryKey(String bookid)
     throws FinderException,RemoteException;
   //查找定价符合范围内的图书，将结果放到Collection中  
   public Collection findInPrice(double lowerLimitPrice,double upperLimitPrice)
     throws FinderException,RemoteException;
}

import javax.ejb.EJBObject;
import java.rmi.RemoteException;
//EJB CMP 1.1实战例子
public interface Cmp1Book extends EJBObject{
   public void setBookName(String bookname) throws RemoteException;
   public void setBookPrice(double bookprice) throws RemoteException;
   public String getBookName() throws RemoteException;
   public double getBookPrice() throws RemoteException;
}

package javax.ejb;
impot java.rmi.RemoteException;

public interface EntityBean extends EnterpriseBean{
  public abstract void ejbActivate() throws EJBException,RemoteException;
  public abstract void ejbLoad() throws EJBException,RemoteException;
  public abstract void ejbPassivate() throws EJBException,RemoteException;
  public abstract void ejbRemove() throws RemoveException,EJBException,RemoteException;
  public abstract void ejbStore() throws EJBException,RemoteException;
  public abstract void setEntityContext(EntityContext entitycontext)
      throws EJBException,RemoteException;
  public abstract void unsetEntityContext() throws EJBException,RemoteException;
}

import java.util.*;
import javax.ejb.*;

//EJB CMP 1.1实战例子
public class Cmp1BookEJB implements EntityBean{
   //映射bookid字段
   public String bookid;
   //映射bookname字段
   public String bookname;
   //映射bookprice字段
   public double bookprice;
   
   public void setBookName(String bookname){
     this.bookname=bookname;
   }
   
   public void setBookPrice(double bookprice){
     this.bookprice=bookprice;
   }
   
   public String getBookName(){
     return this.bookname;
   }
   
   public double getBookPrice(){
     return this.bookprice;
   }
   
   public String ejbCreate(String bookid,String bookname,double bookprice)
     throws CreateException{
     
     if(bookid==null)
       throw new CreateException("The bookid is required");
     this.bookid=bookid;
     this.bookname=bookname;
     this.bookprice=bookprice;
     
     return null;
   }
   
   public void ejbPostCreate(String bookid,String bookname,double bookprice){}
   public void ejbLoad(){}
   public void ejbStore(){}
   public void ejbRemove(){}
   public void unsetEntityContext(){}
   public void setEntityContext(EntityContext context){}
   public void ejbActivate(){}
   public void ejbPassivate(){}
}

cd beanCmp1Book
mkdir classes
cd src
javac -classpath %CLASSPATH%;../classes -d ../classes  *.java

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar>
    <description>    
        This is CMP 1.1 Book EJB example
    </description>
    <display-name>Cmp1BookBean</display-name>
    <enterprise-beans>
        <entity>
            <display-name>Cmp1Book</display-name>
            <ejb-name>Cmp1Book</ejb-name>
            <home>Cmp1BookHome</home>
            <remote>Cmp1Book</remote>
            <ejb-class>Cmp1BookEJB</ejb-class>
            <persistence-type>Container</persistence-type>
            <prim-key-class>java.lang.String</prim-key-class>
            <reentrant>False</reentrant>
            
            <cmp-field>
              <description>no description</description>
              <field-name>bookid</field-name>
            </cmp-field>
            <cmp-field>
              <description>no description</description>
              <field-name>bookname</field-name>
            </cmp-field>
            <cmp-field>
              <description>no description</description>
              <field-name>bookprice</field-name>
            </cmp-field>
            <primkey-field>bookid</primkey-field>
        </entity>
    </enterprise-beans>
    <assembly-descriptor>
      <container-transaction>
        <method>
          <ejb-name>Cmp1Book</ejb-name>
          <method-name>*</method-name>
        </method>
        <trans-attribute>NotSupported</trans-attribute>
      </container-transaction>
    </assembly-descriptor>
</ejb-jar>

Cmp1Book <文件夹 designtimesp=22186>
 classes<文件夹 designtimesp=22188>
   META-INF<文件夹 designtimesp=22190>
      ejb-jar.xml
   Cmp1Book .class
   Cmp1Book EJB.class
   Cmp1BookHome.class
 src<文件夹 designtimesp=22197>
   Cmp1Book.java
   Cmp1BookEJB.java
   Cmp1BookHome.java

cd d:ejbCmp1Bookclasses    (要保证类文件在这个目录下，且有一个META-INF子目录存放ejb-jar.xml文件)
jar -cvf  cmp1Book.jar *.*

 META-INF<文件夹 designtimesp=22230>
   ejb-jar.xml
 Bmp1Book.class
 Bmp1BookEJB.class
 Bmp1BookHome.class

 <datasource name="OracleTest"
     jndi-name="jdbc/mydb"
     driver-class="oracle.jdbc.driver.OracleDriver"
     url="jdbc:oracle:thin:@127.0.0.1:1521:Test"
     min-spare-connections="5"
     max-spare-connections="30"
     idle-timeout="300"
  >
    <property name="user" value="jackliu"/>
    <property name="password" value="go"/>
  </datasource>

CREATE TABLE BOOK(BOOKID VARCHAR2(5) NOT NULL,BOOKNAME VARCHAR2(64),BOOKPRICE NUMBER(12,2) ,PRIMARY KEY (BOOKID));

SELECT "BOOKID" FROM "BOOK" WHERE "BOOKPRICE" BETWEEN ?1 AND ?2

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import javax.ejb.*;
import javax.naming.InitialContext;
import java.util.Collection;
import java.util.Iterator;

public class Cmp1BookServlet extends HttpServlet{
 public void service(HttpServletRequest req,HttpServletResponse res) throws IOException {
   res.setContentType("text/html");        
   PrintWriter out =res.getWriter();
   out.println("<html><head><title>Cmp1BookServlet</title></head>");
   out.println("<body><h2>Test Result:<hr>");                
     try{
        InitialContext ctx =new InitialContext();
        Object objRef =ctx.lookup("java:comp/env/ejb/Cmp1Book");
        Cmp1BookHome home=(Cmp1BookHome)
          javax.rmi.PortableRemoteObject.narrow(
          objRef,Cmp1BookHome.class);
        
        //插入书籍信息记录，并返回这个书籍对象的引用                    
        //-------------------------------------------------
        Cmp1Book bean;
        bean=home.create("BK001","Java in a NutShell",79.00);
        //输出bean的信息
        printBookInf(out,bean);

        bean=home.create("BK002","Graphic Java 2 Mastering the JFC",108.08);
        //输出bean的信息
        printBookInf(out,bean);

        bean=home.create("BK003","Thinking in JAVA",60.00);
        //输出bean的信息
        printBookInf(out,bean);

        bean=home.create("BK004","Building Java Enterprise System with J2EE",105.00);
        //输出bean的信息
        printBookInf(out,bean);
        //-------------------------------------------------
        
        
        //查找一个书籍编号为BK003的Bean,注意由远程主接口Cmp1BookHome执行这个方法
        //-------------------------------------------------
        out.println("<hr>the method of findByPrimaryKey('BK003'):<br>");
        bean=home.findByPrimaryKey("BK003");
        //输出bean的信息
        printBookInf(out,bean);
        //如果找到，修改单价为100
        if(bean!=null){
          out.println("<br>the method of setBookPrice(100):<br>");
          bean.setBookPrice(100);
          //输出bean的信息
          printBookInf(out,bean);          
        }
        //-------------------------------------------------
        
        
        //查找价格在100到200元之间的书籍     
        //-------------------------------------------------           
        out.println("<hr>the method of findInPrice(100,200):<br>");        
        //-------------------------------------------------                
        Collection bookCollection =home.findInPrice(100.0d,200.0d);
        Iterator it=bookCollection.iterator();
          while(it.hasNext()){
            Object objRef2=it.next();
            bean=(Cmp1Book)javax.rmi.PortableRemoteObject.narrow(
                 objRef2,Cmp1Book.class);  
            //输出bean的信息
            printBookInf(out,bean);                     
            //删除数据记录
            bean.remove();
          }
        bean=null;
        
     }catch(javax.naming.NamingException ne){
        out.println("Naming Exception caught:"+ne);
        ne.printStackTrace(out);
     }catch(javax.ejb.CreateException ce){
        out.println("Create Exception caught:"+ce);
        ce.printStackTrace(out);
     }catch(java.rmi.RemoteException re){
        out.println("Remote Exception caught:"+re);
        re.printStackTrace(out);
     }catch (javax.ejb.FinderException fe){
        out.println("Finder Exception caught:"+fe);
        fe.printStackTrace(out);     
      }catch (javax.ejb.RemoveException me){
        out.println("Remove Exception caught:"+me);
        me.printStackTrace(out);     
     }
     out.println("</body></html>");       
 }         
 
 private void printBookInf(PrintWriter out,Cmp1Book book)
    throws java.rmi.RemoteException{
    if (book==null)
      return;
      
    out.println("<li>BookId:"+(String)book.getPrimaryKey()+"</li>");
    out.println("<li>BookName:"+book.getBookName()+"</li>");
    out.println("<li>BookPrice:"+book.getBookPrice()+"</li>");
    out.println("<br>");
 }
}

cd D:ejbCmp1Book
mkdir test
cd test
mkdir WEB-INF
cd WEB-INF
mkdir classes
cd D:ejbCmp1Booksrc
javac -classpath %CLASSPATH%;../classes/ -d ../test/WEB-INF/classes Cmp1BookServlet.java

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'>

<web-app>
  <icon>
    <small-icon></small-icon>
    <large-icon></large-icon>
  </icon>
  <display-name>Cmp1BookServlet</display-name>
  <description></description>
  <context-param>
    <param-name>jsp.nocompile</param-name>
    <param-value>false</param-value>
  </context-param>
  <context-param>
    <param-name>jsp.usePackages</param-name>
    <param-value>true</param-value>
    <description></description>
  </context-param>
  <ejb-ref>
    <description></description>
    <ejb-ref-name>ejb/Cmp1Book</ejb-ref-name>
    <ejb-ref-type>Entity</ejb-ref-type>
    <home>Cmp1BookHome</home>
    <remote>Cmp1Book</remote>
    <ejb-link>Cmp1Book</ejb-link>
  </ejb-ref>
</web-app>

cd D:ejbCmp1Book	est
jar -cvf cmp1Book.war *.*

WEB-INF<文件夹 designtimesp=22559>
 classes<文件夹 designtimesp=22561>
    cmp1BookServlet.class
 web.xml

http://localhost:6888/cmp1Book/servlet/Cmp1BookServlet
localhost-Web Server的主机地址
:6888-应用服务器端口，根据不同的应用服务器，端口号可能不同
/cmp1Book-部署servlet时指定的WWW根路径值
/servlet-ejb容器执行servlet的路径
/Cmp1BookServlet-测试程序