JSP specification _javabean

• What is JavaBean

Bean from the practical value is to be used as a data model, that is, to render the template of the JSP page, when the business code and JSP code to separate, improve the view and processing code reuse, that is, the so-called MVC design ideas, more in line with the industrialization trend. When the programmer uses the bean in the JSP, the bean specification is reflected, for example, when the Jsp:usebean will find the corresponding set method according to the property. Too familiar, no longer repeat.

• Using JavaBean in JSP

1. <jsp:usebean id= "xx" scope= "request" class= "Xxbean" >

When the JSP resolves the tag, it is created in a member variable (similar) in the corresponding servlet.

JSP specification _javabean