BlogJava-我若成风-文章分类-AJAXhttp://www.blogjava.net/sam031503/category/49114.htmlzh-cnTue, 19 Jul 2011 03:34:41 GMTTue, 19 Jul 2011 03:34:41 GMT60用AJAX实现异步刷新http://www.blogjava.net/sam031503/articles/354579.html清少纳言清少纳言Tue, 19 Jul 2011 01:16:00 GMThttp://www.blogjava.net/sam031503/articles/354579.htmlhttp://www.blogjava.net/sam031503/comments/354579.htmlhttp://www.blogjava.net/sam031503/articles/354579.html#Feedback0http://www.blogjava.net/sam031503/comments/commentRss/354579.htmlhttp://www.blogjava.net/sam031503/services/trackbacks/354579.html
function isExist() {
var companyName = $("#company").val();
if(companyName==""){
  alert("'所属公司'不能为空!");
  $("#company").focus();
  return;
}
var num = 0;
$.ajax({
  url:"isExistCompany.do?company.companyName="+companyName+"&t="+new Date(),
  async: false,
  success:function(data) {
   num = data;
  }
});
if(num==0) {
  alert("您输入的公司不存在,请重新输入!");
  $("#company").val("")
  $("#company").focus();
  return false;
}
return true;
}


action中：public void isExistCompany() {
  try {
   int num = 0;
   String companyName = company.getCompanyName();
   if (company!=null|| StringUtil.notEmpty(companyName))
    num=companyService.getCompanyId(companyName);
   HttpServletResponse response = ServletActionContext.getResponse();
   response.setContentType("text/plain; charset=GBK");
   PrintWriter out = response.getWriter();
   out.print(num);
   out.flush();
  } catch (Exception e) {
   e.printStackTrace();
  }
}

清少纳言 2011-07-19 09:16 发表评论
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