JQuery Ajax odata

   var serverAddress = location.hostname + ":" + location.port;
        var url = "http://" + serverAddress + "/odata/ProductMastersAPI";
        $.ajax({
            url: url,
            async: false,
            method: "GET",
            success: function (result, textStatus, jqXHR) {
              ///////后台数据
            },

            error: error
        });

 

function error(data) {
        if (data.responseText != "") {
            //ShowAlert(data.responseText);
            //ShowAlert(data.status);
            alert(data.responseText);
            alert(data.status);
        }
        else if (data.readyState == 0) {
            // Network error (i.e. connection refused, access denied due to CORS, etc.)
            //ShowAlert("连接服务器失败。请确认网络。");
            alert("连接服务器失败。请确认网络。");
        }
    }