JQuery的AJAX实现文件下载的小例子

varFORM=$("<form>");//定义一个Form表单
form.attr("style","display:none");
form.attr("target","");
form.attr("method","post");
form.attr("action","Exportdata");
var input1=$("<input>");
input1.attr("type","hidden");
input1.attr("name","exportdata");
input1.attr("value",(new date()).getMilliseconds());
$("body").append(form);//将表单放置在WEB中
form.APPend(input1);

form.submit();//表单提交