jsp调用Entity Bean的例子


答案：<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="baisha.*"%>
<%@ page import="javax.naming.*"%>
<%!
  private javax.naming.Context getInitialContext() throws Exception {
    String url = "t3://localhost:7001";
    String user = null;
    String password = null;
    Properties properties = null;
    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 InitialContext(properties);
    }
    catch(Exception e) {
      System.out.println(e.getMessage());
      return null;
    }
  }

%>
<html>
<head>
<title>
Jsp1
</title>
</head>
<body>
<%
//Properties env =new Properties();
// env.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
// env.put(Context.INITIAL_CONTEXT_FACTORY,"t3://localhost:7001");
 //Context ctx = new InitialContext(env);
 String str_id=null;
 String str_name=null;
 str_id =request.getParameter("id");
 str_name = request.getParameter("name");
 javax.naming.Context ctx = new javax.naming.InitialContext();
 Object ref = ctx.lookup("Province");
 baisha.ProvinceHome provHome =null;
 baisha.Province prov = null;
 provHome = (baisha.ProvinceHome)javax.rmi.PortableRemoteObject.narrow(ref,ProvinceHome.class);
 if (provHome==null) {
   out.println("provHome is null");
 }
 else
    {
    if (str_id==null){
    
    }
    else{
      try{
        prov = provHome.create(new Integer(str_id),str_name);
        out.println(prov.getProvinceName());
        }
      catch(Exception e){
       out.println("新增不成功！");
      }  
    }
    }
  
     
%>
<h1>
新增信息
</h1>
<form method="post" action="add.jsp">
<br>Enter new value   :  <input name="id"  type="text"><br>
<br><br>
<input name="name"  type="text">
<input type="submit" name="Submit" value="Submit">
<input type="reset" value="Reset">
<br>

</form>
</body>
</html>
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