ajax xml
发布时间:2020-12-16 02:07:50 所属栏目:百科 来源:网络整理
导读:---------------------------------AJAX.html-------------------------------------------htmlheadtitleAJAX.html/title/headscript type="text/javascript"/*通过异步传输XMLHTTP发送参数到ajaxServlet,返回符合条件的XML文档*/function getResult() {var
---------------------------------AJAX.html------------------------------------------- <html> <head> <title>AJAX.html</title> </head> <script type="text/javascript"> /*通过异步传输XMLHTTP发送参数到ajaxServlet,返回符合条件的XML文档*/ function getResult() { var url = "ajaxServlet?action=send"; if (window.XMLHttpRequest) { req = new XMLHttpRequest(); } else if (window.ActiveXObject) { req = new ActiveXObject("Microsoft.XMLHTTP"); } if (req) { req.open("GET",url,true); req.onreadystatechange = complete; req.send(null); } } /*分析返回的XML文档*/ function complete() { if (req.readyState == 4) { if (req.status == 200) { var type = req.responseXML.getElementsByTagName("type_name"); var str = new Array(); for (var i = 0; i < type.length; i++) { str[i] = type[i].firstChild.data; document.all['td'].innerHTML += str[i] + "<BR>"; } } } } </script> <body onLoad="getResult()"> <table width="80%" border="0" cellspacing="0" cellpadding="0"> <tr> <td id="td"></td> </tr> </table> </body> </html> ---------------------------------ajaxServlet.java----------------------------------------------------- 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 ajaxServlet extends HttpServlet { private static final String CONTENT_TYPE = "text/xml; charset=gb2312"; public void init() throws ServletException { } public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); String action = request.getParameter("action"); if (("send").equals(action)) { StringBuffer sb = new StringBuffer("<type>"); sb.append("<type_name>AA</type_name>"); sb.append("<type_name>BB</type_name>"); sb.append("<type_name>CC</type_name>"); sb.append("<type_name>DD</type_name>"); sb.append("</type>"); out.write(sb.toString()); out.close(); } } } --------------------------------web.xml------------------------------------------------------ <?xml version = '1.0' encoding = 'UTF-8'?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems,Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app> <description>Empty web.xml file for Web Application</description> <servlet> <servlet-name>ajax</servlet-name> <servlet-class>ajaxServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>ajax</servlet-name> <url-pattern>/ajaxServlet</url-pattern> </servlet-mapping> </web-app> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |