浅谈java获取服务器基本信息
实现步骤:
(2)调用HttpServletRequest对象的getServerName()方法获取服务器名称
(3)调用HttpServletRequest对象的getServerPort()方法获取服务器端口
(4)首先调用getServletContext()方法获取ServletContext对象,然后调用ServletContext对象的getServerInfo()方法获取服务器环境信息名称、版本信息
(5)利用HttpServletResponse对象的PrintWriter将信息显示到页面
packageexample.servlet;
importjava.io.IOException;
importjava.io.PrintWriter;
importjavax.servlet.ServletContext;
importjavax.servlet.ServletException;
importjavax.servlet.annotation.WebServlet;
importjavax.servlet.http.HttpServlet;
importjavax.servlet.http.HttpServletRequest;
importjavax.servlet.http.HttpServletResponse;
/**
*ServletimplementationclassBrowserServer
*/
@WebServlet("/BrowserServer")
publicclassBrowserServerextendsHttpServlet{
privatestaticfinallongserialVersionUID=1L;
protectedvoidprocessRequest(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{
response.setContentType("text/html;charset=utf-8");
PrintWriterout=response.getWriter();
ServletContextcontext=getServletContext();
out.println("");
out.println("");
out.println("服务器信息 ");
out.println("");
out.println("");
out.println("服务器名称:"+request.getServerName()+"
");
out.println("服务器端口:"+request.getServerPort()+"
");
out.println(""+context.getServerInfo()+"
");
out.println("");
out.println("");
out.close();
}
protectedvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{
processRequest(request,response);
}
protectedvoiddoPost(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{
processRequest(request,response);
}
}
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