ajax 跨域访问java 带请求头

var bear="eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ5dW53byIsImV4cCI6MTUwNDUxNzM0MH0.yute7tGFcQsmfJ2ReVIO4PQ926VEZq2Ih8_cgm5-LpmI5AW9byn5doe7-7gUwHxOrLY8shWA8nyhXccQZK_Dag";
$.ajax({
    type: "GET",
    url: "http://172.0.0.1:80/platform/organ/getOrganizations",
    dataType:"json",
    beforeSend: function(xhr) {
        xhr.setRequestHeader("Authorization", "Bearer "+bear);
    },
    error: function(XHR,textStatus,errorThrown) {
        alert ("XHR="+XHR+"\ntextStatus="+textStatus+"\nerrorThrown=" + errorThrown);
    },
    success: function(data,textStatus) {
        console.log(JSON.stringify(data));
    }
})