servlets

Spring MVC, forward

由 情到浓时终转凉″ 提交于 2020-01-10 00:51:09
问题 Is there any difference between public class Controller1 extends AbstractController { @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { return new AnotherController().handleRequest(request, response); } } and @Controller public class Controller1 { @RequestMapping ... public String handleRequest() { return "forward:/path_to_my_another_controller"; } } 回答1: They're similar, but not quite the same. The second

MD5 Signing a HttpServletResponse

由 我与影子孤独终老i 提交于 2020-01-09 23:21:07
问题 I'm looking for a way to inspect the contents of a HttpServletResponse to sign them with a MD5 hash. The pseudocode might look like this process(Response response, Request request){ defaultProcessingFor(response,request); dispatcher.handle(response,request); // Here I want to read the contents of the Response object (now filled with data) to create a MD5 hash with them and add it to a header. } Is that possible? 回答1: Yes, that's possible. You need to decorate the response with help of

Export jqgrid filtered data as excel or CSV

由 China☆狼群 提交于 2020-01-09 19:40:53
问题 I am in trouble please help me out.I want to show "export to excel" button in the pager of jqgrid, that will export the current set of data which is retrieve after searching criteria of jqgrid (based on the current filter). I am using "loadonce:true" setting for my jqgrid.Now I want to export data from local datasource of jqgrid after searching. If it is not possible then how I can able to pass parameters to a server when I click on export button of navigation on which searching criteria need

Export jqgrid filtered data as excel or CSV

由 瘦欲@ 提交于 2020-01-09 19:39:08
问题 I am in trouble please help me out.I want to show "export to excel" button in the pager of jqgrid, that will export the current set of data which is retrieve after searching criteria of jqgrid (based on the current filter). I am using "loadonce:true" setting for my jqgrid.Now I want to export data from local datasource of jqgrid after searching. If it is not possible then how I can able to pass parameters to a server when I click on export button of navigation on which searching criteria need

Create and download CSV file in a Java servlet

由 帅比萌擦擦* 提交于 2020-01-09 19:06:58
问题 I am working on Java ExtJS application in which I need to create and download a CSV file. On clicking a button I want a CSV file to be downloaded to a client's machine. On buttons listener I am calling a servlet using AJAX. There I am creating a CSV file. I don't want the CSV file to be saved in the server. I want the file should be created dynamically with a download option. I want the contents of a file to be created as a string and then I will serve the content as file in which it will

Can not send special characters (UTF-8) from JSP to Servlet: question marks displayed

由 痴心易碎 提交于 2020-01-09 10:51:42
问题 I have a problem sending special characters like cyrillic or umlauts from a jsp to a servlet. I would greatly appreciate your help here. Here is what I have done: Defined the utf-8 charset in the jsp: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> ... <div class=

Can not send special characters (UTF-8) from JSP to Servlet: question marks displayed

由 妖精的绣舞 提交于 2020-01-09 10:50:46
问题 I have a problem sending special characters like cyrillic or umlauts from a jsp to a servlet. I would greatly appreciate your help here. Here is what I have done: Defined the utf-8 charset in the jsp: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> ... <div class=

Can not send special characters (UTF-8) from JSP to Servlet: question marks displayed

由 别等时光非礼了梦想. 提交于 2020-01-09 10:50:13
问题 I have a problem sending special characters like cyrillic or umlauts from a jsp to a servlet. I would greatly appreciate your help here. Here is what I have done: Defined the utf-8 charset in the jsp: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> ... <div class=

Embedding Jetty as a Servlet Container

由 爷，独闯天下 提交于 2020-01-09 09:24:05
问题 I'm using Tomcat to serve my Java Servlets and it's kinda more for me. I just need to serve, Servlet Requests alone, no static content, neither JSP, etc. So I was looking for a Servlet container that can be embedded in my Application. I felt it if stripped Jetty and use it as a Servlet Container alone, it can be more scalable and occupying small memory footprint, [I don't need Jetty's 'Web Server' and other Parts]. So I've a few questions though, How do I embed Jetty in my Application Code to

Does spring mvc have response.write to output to the browser directly?

由 心不动则不痛 提交于 2020-01-09 09:03:57
问题 I am using spring mvc with freetemplate. In asp.net, you can write straight to the browser using Response.Write("hello, world"); Can you do this in spring mvc? 回答1: You can either: get the HttpServletResponse and print to its Writer or OutputStream (depending on whether you want to send textual or binary data) @RequestMapping(value = "/something") public void helloWorld(HttpServletResponse response) { response.getWriter().println("Hello World") } Use @ResponseBody: @RequestMapping(value = "
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