$.ajax({                    contentType: "application/json; charset=utf-8",                    type: "POST",                    url: "/Registration/ManagementProject/DeleteProjectById",                    dataType: "json",                    data: {
    "selectData": that.UserIdArray },                    async: false,                    //提交前设置参数                    beforeSend: function (request) {                        //request.setRequestHeader("token", $("#token").val());                    },                    error: function (request) {                        console.log(request);                        alert(request);                    },                    success: function (data) {                        that.projectList = data;                        console.log(data)                        if (data.Response.ErrCode == "0") {                            alert(data.Response.ErrMsg);                            //清空已选择的数据                            that.UserIdArray = [];                            appList.GatProjectList(1);                        }                    }                });