JavaBeans
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JavaBeans es componentes de programmatura scribite in le linguage de programmation Java.
Exemplo
Persona.java:
public class Persona implements java.io.Serializable
{
private String nomine;
private String etate;
public String getNomine()
{
return nomine;
}
public void setNomine(String nomine)
{
this.nomine = nomine;
}
public String getEtate()
{
return etate;
}
public void setEtate(String etate)
{
this.etate = etate;
}
/*constructor attribue vacue al attributos
a causa que valores nulle es monstrate in le pagina */
public Persona()
{
this.etate="";
this.nomine="";
}
}
persona.jsp:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JavaBean Persona</title>
</head>
<body>
<jsp:useBean id="persona" class="pacchetto.Persona"></jsp:useBean>
<jsp:setProperty property="*" name="persona"/>
<form action="persona.jsp" method="post">
Nomine: <input type="text" name="nomine"><br />
Etate<input type="text" name="etate" size="5">
<input type="submit" value="Inviar datos">
<p>
Nomine: <%=persona.getNomine() %></p>
Etate: <%=persona.getEtate() %>
</form>
</body>
</html>