ajax设置header

方法一、setting参数 headers

$.ajax({
    headers: {
        Accept: "application/json; charset=utf-8"
    },
    type: "get",
    success: function (data) {
    }
});

方法二、beforeSend方法

$.ajax({
        type: "GET",
        url: "default.aspx",
        beforeSend: function(request) {
            request.setRequestHeader("Test", "Chenxizhang");
        },
        success: function(result) {
            alert(result);
        }
    });