ajax请求例子

var formjson = {id:val};

1，post请求

     $.post(url, $.param(formjson),  function(data, textStatus, jqXhr) {

if(data.success){
$("#bizAreaId").append(data.bizAreaSelect);
}

}); 

2，ajax请求

$.ajax({
    type: 'POST',
    url: url ,
    data: $.param(formjson),
    success: function(data){
    if(data.success){
$("#bizAreaId").append(data.bizAreaSelect);
}
    },
    dataType: 'json'
});