JSP椤甸潰锛?
<%@ page contentType="text/html; charset=GBK"%>
<script language="javascript">
var xmlHttp;
function createXMLHttpRequest(){
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function testName(){
createXMLHttpRequest();
xmlHttp.onreadystatechange = callBack;
xmlHttp.open('POST', '/peam/opOpNote.do?method=add', true);
xmlHttp.send(null);
}
function callBack(){
var view=document.getElementById("view");
if(xmlHttp.readyState == 4) {
if(xmlHttp.status == 200) {
if(xmlHttp.responseText==1){
view.innerHTML='璇ョ敤鎴峰悕宸茬粡琚嬌鐢?;
}else{
view.innerHTML='璇ョ敤鎴峰悕鍚湁闈炴硶瀛楃锛?;
}
}
}
}
</script>
<html>
<head>
<title> ajax </title>
</head>
<body bgcolor="#ffffff">
<h1>
<input name="username" type="text" maxlength="20"/>
<input id="button" name="button" type="button" value="妫€娴嬪笎鍙? 慰nclick="testName();" />
<div id="view"></div>
</h1>
</body>
</html>
Action.java鏂囦歡锛?
public ActionForward add(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws java.lang.Exception {
PrintWriter out = response.getWriter();
out.print(1);
return null;//ajax鍙栧緱閮芥槸瀛楃鐨勮緭鍑恒€傚鏋滄暟鎹噺澶х殑璇濓紝杩樺彲浠ョ敤xml鏉ュ彂閫佸拰鎺ュ彈
}
Java杞歡宸ョ▼甯堟帹鑽愪功绫嶏細
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