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我有一个操作类,其中有一个方法serverstate,我正在解析几个服务器细节和weblogic命令以获取weblogic服务器的当前状态。下面的代码给出了所需的输出Eclipse的控制台,而不是在图形用户界面可能有人请帮助这一点,我想显示在我编写的GUI(JSP)页面使用会话的输出。如何在java中使用会话显示方法的输出
public void serverstate(HttpServletRequest request,HttpServletResponse response) throws IOException, Exception
{
String appname;
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
String selapp = " ";
System.out.println("enter appname:");
selapp = dataIn.readLine();
System.out.println("selected app is:" + selapp);
{
try
{
File apps = new File("/WEB-INF/appdetails.xml");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(apps);
doc.getDocumentElement().normalize();
System.out.println("server status of " + selapp);
NodeList nodes = doc.getElementsByTagName("app");
System.out.println("==========================");
for (int i = 0; i < nodes.getLength(); i++)
{
Node node = nodes.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE);
{
Element element = (Element) node;
appname = getValue("name", element);
System.out.println(appname);
String user = getValue("uname", element);
System.out.println(user);
String server = getValue("server", element);
System.out.println(server);
String command = getValue("cmd", element);
System.out.println(command);
String passwd = getValue("passwd",element);
System.out.println(passwd);
String cmd= getValue("cmd",element);
System.out.println(cmd);
String port=getValue("port",element);
String clu=getValue("cluster",element);
String admin=getValue("admstate",element);
System.out.println(admin);
if (selapp.equalsIgnoreCase(appname))
{
try {
Runtime rt = Runtime.getRuntime();
//Process pr = rt.exec("cmd /c dir");
{
Process pr = rt.exec(""+ command +" && "+ admin +" && java weblogic.Admin -url "+ server +":"+ port +" -username "+ user +" -password "+ passwd +" CLUSTERSTATE -clusterName "+ clu +"");
BufferedReader input = new BufferedReader(new InputStreamReader(pr.getInputStream()));
String line=null;
while((line=input.readLine()) != null) {
System.out.println(line);
// int exitVal = pr.waitFor();
//System.out.println("Exited with error code "+exitVal);
}}}finally{
}}else {
System.out.println("no app selected");
}}}}catch(Exception e) {
System.out.println(e.toString());
e.printStackTrace();
}}
RequestDispatcher dispatcher = request.getRequestDispatcher("status.jsp");
dispatcher.forward(request,response);
}
这种方法让我在Eclipse控制台输出和我想用sessions.please帮助
存储您希望显示为请求属性的必要数据。然后,在您的JSP中,使用表达式语言'$ {}'检索它并使用像JSTL这样的库并相应地打印它。 – 2014-09-03 15:43:06
所以我会在我的java代码中使用request.setattribute并在我的JSP中获取属性? – user1795999 2014-09-03 15:45:12
在servlet中,使用'request.setAttribute'。在视图(JSP,Facelets)中,您绝不**使用scriptlet,而是使用表达式语言来为您调用'request.getAttribute'。 – 2014-09-03 15:46:09