servlet获取参数值,输出有问题,有的值没有输出


p1
v1


p2
v2

------------------------------------------------------------------------
public void init(ServletConfig servletconfig) throws ServletException {
// TODO Auto-generated method stub
/*
* 获取初始化参数的值
*/
System.out.println("init");
System.out.println(servletconfig.getInitParameter("p1"));
System.out.println(servletconfig.getInitParameter("p2"));
//早期类似迭代器的接口
Enumeration e=servletconfig.getInitParameterNames();
while(e.hasMoreElements())
{
System.out.println(e.nextElement());
System.out.println(servletconfig.getInitParameter(e.nextElement()));

         }
}
-------------------------
输出结果
init

v1
v2
p1
v2
service

http://www.jobui.com/mianshiti/it/java/8331/