Knockout更新可观察

Question

我正在使用knockout.js扩展应用程序，我希望动态显示文件上传。这是我的代码

function Search() {
    var self = this; 
    //many different items set

    self.totalSize = ko.observable(total);
    self.uploadedSize = ko.observable(uploaded);
}

var uploadProgress;

var total = 100;
var uploaded = 0;

function runUploadProgress() {
    uploadProgress = setInterval(function () {
        callWebApi({
            api: webapi.getUploadProgress,
            data: null,
            cache: false,
            success: function (json) {
                total = json.TotalBytes;
                uploaded = json.TransferedBytes;
                console.log(total + " - " + uploaded);
            }
        });
        if (total == uploaded) {
            stopUploadProgress();
        }
    }, 1000);
    return true;
}

function stopUploadProgress() {
    clearInterval(uploadProgress);
}

如何使用新值创建totalSize和uploadedSize可观察更新？如果我改变总值并上传它会改变observables中的值吗？

Answer 1

创建observable后，您必须使用

更改可观察值

searchInstance.totalSize(json.TotalBytes);
searchInstance.uploadedSzie(json.TransferedBytes);