tomcat是v9.0
esplise是2019-9
这是主要部分代码
xml:
<context-param>
<param-name>webSite</param-name>
<param-value>www.itshixun.com</param-value>
</context-param>
<context-param>
<param-name>email</param-name>
<param-value>admin@itshixun.com</param-value>
</context-param>
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servlet:
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
// TODO Auto-generated method stub
response.setContentType("text/html;charset=UTF-8");
Enumeration <String> names=super.getServletContext().getInitParameterNames();
String websit=super.getServletContext().getInitParameter("webSite");
String email=super.getServletContext().getInitParameter("email");
PrintWriter out=response.getWriter();
while(names.hasMoreElements())
{
String name=names.nextElement();
out.print(name+"<br>");
}
out.println(websit+"<br>");
out.println(email+"<br>");
}
运行效果截图