<? XML version = "1.0" encoding = "UTF-8"?> <Mx: Application xmlns: MX = "http://www.adobe.com/2006/mxml" creationcomplete = "sendrequest ();"> <mx: SCRIPT> <! [CDATA [import MX. controls. alert; Public Function sendrequest (): void {var request: URLRequest = new URLRequest ("http: // localhost: 8080/flexandservlet/testservlet"); // first send the Servlet request: flexandservlet is the Java Web project name, And testservlet is the Servlet Request for processing data sent by Flex. method = urlrequestmethod. post; request. data = new urlvariables ("name = Gao huanjie"); // name indicates the parameter name var Loader: urlloader = new urlloader (); loader. load (request); loader. addeventlistener (event. complete, onloadercomplete);} private function onloadercomplete (Event: Event): void {var responseresult: String = (event.tar get) as urlloader ). data; // The data passed back from the servlet. show (responseresult, "") ;}]]> </MX: SCRIPT> </MX: Application>Code 2-servlet code:
Package COM. ghj. packageofservlet; import Java. io. ioexception; import Java. io. printwriter; import javax. servlet. servletexception; import javax. servlet. HTTP. httpservlet; import javax. servlet. HTTP. httpservletrequest; import javax. servlet. HTTP. httpservletresponse; public class testservlet extends httpservlet {Private Static final long serialversionuid =-response; Public void doget (httpservletrequest request, response) throws servletexception, ioexception {dopost (request, response );} public void dopost (httpservletrequest request, httpservletresponse response) throws servletexception, ioexception {request. setcharacterencoding ("UTF-8"); response. setcontenttype ("text/pain; charset = UTF-8"); printwriter out = response. getwriter (); try {string name = request. getparameter ("name"); // obtain the system parameter value corresponding to the name parameter sent back by Flex. out. print ("name:" + name); out. println ("the servlet value is" + name);} finally {out. close ();}}}Code 3-web.xml:
<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><servlet><servlet-name>TestServlet</servlet-name><servlet-class>com.ghj.packageofservlet.TestServlet</servlet-class></servlet><servlet-mapping><servlet-name>TestServlet</servlet-name><url-pattern>/TestServlet</url-pattern></servlet-mapping><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list></web-app>
Code 4-jsp code:
<%@ Page Language = "Java" contenttype = "text/html; charset = UTF-8" pageencoding = "UTF-8" %> <% string basepath = request. getscheme () + ": //" + request. getservername () + ":" + request. getserverport () + request. getcontextpath () + "/"; %> <! Doctype HTML public "-// W3C // dtd html 4.01 transitional // en"> <HTML> 【 0-point download example]
Data Interaction between flex and Servlet
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