一个简单ajax

//增加记录
public String addRemind(){
System.out.println("我的博客");
HttpServletRequest request=ServletActionContext.getRequest();
HttpServletResponse response = ServletActionContext.getResponse();
response.setContentType("text/html; charset=UTF-8");
response.setHeader("Cache-Control","no-cache");
PrintWriter out=null;
try {
out = response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
String str="我的博客";
try {
out=response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
out.print(str);
out.flush();
out.close();

return null;
}

*****************************************************************
<script language="JavaScript" type="text/javascript">

$(document).ready(function(){

setInterval("gog()",5000);
})

function gog(){
$.ajax({
url : '<%=basePath %>remindaddRemind',
type : 'post',
dataType : "text",
success : function(text) {
isPro = false;
alert(text);
if(""!=text){
$('#MyNoticesDiv').html(text);
}
}
});
}
</script>

**************************************************************

<div id="MyNoticesDiv" style="height: 195;width: 195">
</div>