AJAX
来源：互联网 发布：制作彩铃用什么软件 编辑：程序博客网 时间：2024/06/05 06:01
- <html>
- <body>
- <script type="text/javascript">
- function ajaxFunction()
- {
- var xmlHttp;
- try
- {
-
- xmlHttp=new XMLHttpRequest();
- }
- catch (e)
- {
-
- try
- {
- xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
- }
- catch (e)
- {
- try
- {
- xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
- }
- catch (e)
- {
- alert("Your browser does not support AJAX!");
- return false;
- }
- }
- }
- xmlHttp.onreadystatechange=function()
- {
- if(xmlHttp.readyState==4 && xmlHttp.status == 200)
- {
- alert(xmlHttp.responseText)
-
- document.myForm.time.value=xmlHttp.responseText;
-
- }
- }
-
- xmlHttp.open('POST', '/myProject/test01.do?method=ajax', true);
-
- xmlHttp.send(null);
- }
- </script>
-
- <form name="myForm">
- Name: <input type="text"
- onkeyup="ajaxFunction();" name="username" />
- Time: <input type="text" name="time" />
- </form>
- </body>
- </html>
- public class TestAction extends DispatchAction {
- public ActionForward ajax(ActionMapping mapping, ActionForm form,
- HttpServletRequest request, HttpServletResponse response) {
- for(int i=0;i<5;i++){
- System.out.println("99999999999999999999999999");
- }
-
- response.setHeader("Cache-Control", "no-cache");
- response.setHeader("Pragma", "no-cache");
- response.setCharacterEncoding("GBK");
- PrintWriter out =null;
- try {
- out = response.getWriter();
- } catch (IOException e) {
- e.printStackTrace();
- }
- out.print("ajax test ");
- return null;
- }
- }
