xmlHttpRequest.open("POST", url, false); // 同步请求，true为异步
不就会等待你的ajax请求返回了吗？
if(action.equalsIgnoreCase("get")){
ArrayList arr_oaSchedule=(ArrayList)oaScheduleService.findByUserName(userName);
response.setContentType("text/xml;
charset=UTF-8");response.setHeader("Cache-Control", "no-cache");
//创建输出流对象
PrintWriter out =
response.getWriter();//依据验证结果输出不同的数据信息
out.println("<response>");
if(arr_oaSchedule.size()!=0){
for(int
i=0;i<arr_oaSchedule.size();i++){OaSchedule
oaSchedule=(OaSchedule)arr_oaSchedule.get(i);Date now=new Date();
Date date=oaSchedule.getRemindTime();
Boolean ture=date.before(now);
if(ture&&oaSchedule.getRemind()==null){
out.println("<id>" +
oaSchedule.getId() + "</id>");out.println("<content>" +
oaSchedule.getContent() + "</content>");out.println("<remindtime>" +
time(oaSchedule.getRemindTime()) + "</remindtime>");out.println("<starttime>" +
time(oaSchedule.getStartTime()) + "</starttime>");}
}
}
else {
out.println("<id>0</id>");
out.println("<content></content>");
out.println("<remindtime></remindtime>");
out.println("<starttime></starttime>");
}
out.println("</response>");
out.close();
}
if(action.equalsIgnoreCase("get1")){
ArrayList arr_oaSchedule=(ArrayList)oaScheduleService.findByUserName(userName);
response.setContentType("text/xml;
charset=UTF-8");response.setHeader("Cache-Control", "no-cache");
//创建输出流对象
PrintWriter out =
response.getWriter();//依据验证结果输出不同的数据信息
out.println("<response>");
if(arr_oaSchedule.size()!=0){
for(int
i=0;i<arr_oaSchedule.size();i++){OaSchedule
oaSchedule=(OaSchedule)arr_oaSchedule.get(i);out.println("<id>" +
oaSchedule.getId() + "</id>");out.println("<content>" + transform(oaSchedule.getContent())
+ "</content>");out.println("<remindtime>" +
time(oaSchedule.getRemindTime()) + "</remindtime>");out.println("<starttime>" + time(oaSchedule.getStartTime()) + "</starttime>");
if(i==3)break;
}
}
else {
out.println("<id>0</id>");
out.println("<content></content>");
out.println("<remindtime></remindtime>");
out.println("<starttime></starttime>");
}
out.println("</response>");
out.close();
}
return null;
}
public String time(Date date1){
String year=String.valueOf(date1.getYear()+1900);
String month=String.valueOf(date1.getMonth());
if(date1.getMonth()<10)
month="0"+month;
String date=String.valueOf(date1.getDate());
if(date1.getDate()<10)
date="0"+date;
String hour=String.valueOf(date1.getHours());
if(date1.getHours()<10)
hour="0"+hour;
String min=String.valueOf(date1.getMinutes());
if(date1.getMinutes()<10)
min="0"+min;
String time=year+"-"+month+"-"+date+" "+hour+":"+min;
return time;
}
public static String transform(String content)
{
content=content.replaceAll("&","&");
content=content.replaceAll("<","<");
// content=content.replaceAll(" "," ");
content=content.replaceAll(">",">");
// content=content.replaceAll("/n","<br>");
return content;
}
if(action.equalsIgnoreCase("get")){
ArrayList
arr_oaMessage=(ArrayList)oaMessageService.findByUserName(userName);
response.setContentType("text/xml;
charset=UTF-8");response.setHeader("Cache-Control", "no-cache");
//创建输出流对象
PrintWriter out =
response.getWriter();//依据验证结果输出不同的数据信息
out.println("<response>");
if(arr_oaMessage.size()!=0){
for(int
i=0;i<arr_oaMessage.size();i++){OaMessage
oaMessage=(OaMessage)arr_oaMessage.get(i);String
content=oaMessage.getContent();content=transform(content);
out.println("<id>" +
oaMessage.getId() + "</id>");out.println("<fromUserName>" +
oaMessage.getFromUserName() + "</fromUserName>");out.println("<content>" + content + "</content>");
out.println("<time>" +
oaMessage.getTime() + "</time>");if(i==3)break;
}
}
else {
out.println("<id>0</id>");
out.println("<fromUserName></fromUserName>");
out.println("<content></content>");
out.println("<time></time>");
}
out.println("</response>");
out.close();
}