web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<context-param>
<param-name>companyName</param-name>
<param-value>huizhi</param-value>
</context-param>
<context-param>
<param-name>address</param-name>
<param-value>beijing</param-value>
</context-param>
<servlet>
<servlet-name>ResultServlet</servlet-name>
<servlet-class>com.RequestDispatcher.ResultServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ResultServlet</servlet-name>
<url-pattern>/ResultServlet</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>ResultForwardServlet</servlet-name>
<servlet-class>com.RequestDispatcher.RequestForwardServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ResultForwardServlet</servlet-name>
<url-pattern>/ResultForwardServlet</url-pattern>
</servlet-mapping>
</web-app>RequestForwardServlet.java:
public class RequestForwardServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setAttribute("company","中网汇智科技有限公司");
RequestDispatcher dispatcher=request.getRequestDispatcher("/ResultServlet");
dispatcher.forward(request,response);
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,IOException{
this.doGet(request,response);
}
}ResultServlet.java:
public class ResultServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
String company=(String)request.getAttribute("company");
if(company!=null){
out.println("公司名称:"+company+"<br>");
}
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,IOException{
this.doGet(request,response);
}
}
