如何在Servlet中获取Java bean值？

Question

AdminBean bean=new AdminBean();

        String uname=bean.getPass();
        String pass=bean.getPass();
        out.println(bean.getUname());
        out.println(bean.getPass());

打印空值

Answer 1

您没有为对象设置值，需要为属性设置值。

        AdminBean bean=new AdminBean();
        bean.setPass("123455");
        bean.setUname("ABC");
        String uname=bean.getPass();
        String pass=bean.getPass();
        out.println(bean.getUname());
        out.println(bean.getPass());