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如何从JSP访问Struts表单属性_Jsp_Struts - Fatal编程技术网

如何从JSP访问Struts表单属性

如何从JSP访问Struts表单属性,jsp,struts,Jsp,Struts,我有一个填充字段的struts操作 public ActionForward appForm(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { DynaValidatorForm dyna = (DynaValidatorForm) form; String i

我有一个填充字段的struts操作

public ActionForward appForm(ActionMapping mapping,
            ActionForm     form,
            HttpServletRequest request,
            HttpServletResponse response) {
  DynaValidatorForm dyna = (DynaValidatorForm) form;
  String identifier = (String) request.getParameter("id");
  ApplicationDTO app =  manager.getApplication(identifier);
  dyna.set("firstName",app.getFirstName());
  return (mapping.findForward("application.success"));      
}
表单bean如下所示:

<form-bean name="ApplicationForm" type="struts.ApplicationForm">      
    <form-property name="id" type="java.lang.String" initial="0" />
    <form-property name="firstName" type="java.lang.String" />
    ...
    ..
    .
</form-bean>

...
..
.
ApplicationForm扩展了DynaValidatorForm并进行了一些验证

如何在jsp中访问struts表单属性值

<html:text property="firstName" styleId="firstName" value="TODO Add code to access the form property fistName END TODO"/>

解决方案 在html:text标记中使用name属性。Name属性指定对象(在任何范围内)的名称,该对象的字段(由property属性指定)将用于用数据填充此控件。例如:

<html:text property="firstName" styleId="firstName" name="ApplicationForm"/>

如果您想要纯文本输出,这里有另一种访问Dynamic ActionForm bean中属性的方法:

<bean:write name="ApplicationForm" property="firstName"/>