在同一页面中多次使用相同对象的Knockout绑定

ViewModel :

ViewModel：

var address = new function {
    var self = this;
    self.add1 = ko.observable();
    self.add2 = ko.observable();
    self.city = ko.observable();
    self.state = ko.observable();
    self.postal = ko.observable();
},
person = new funcion {
    var self = this;
    self.firstName = ko.observable();
    self.lastName = ko.observable();
    self.address = ko.observable(address);
},
company = new function {
    var self = this;
    self.salesPerson = ko.observable(person);
    self.shippingAddress = ko.observable(address);
    self.billingAddress = ko.observable(address);
};
var address = new fu