JQuery发送Ajax请求

function download(){var con = confirm("确认下载?");if (con == true){var name = document.getElementById("name").value;var para = document.getElementById("para").value;$.ajax({type : 'POST',url : 'download.action',data : "name=" + name + "&para=" + para,success : function(data){if (data == "true"){var form = document.getElementById("myForm");form.action = "Common/source/download";form.submit();}else{alert("下载出现错误!");}return;},error : function(){alert("下载出现未知错误!");}});}}