;(function () { var model = Fix.define({ name: "原始属性", arr: [{ n: 'a' }, { n: 0 }] }); Demo.Fix = BI.inherit(BI.Widget, { _store: function () { return model; }, watch: { "name||arr.1.n": function () { this.button.setText(this.model.name + "-" + this.model.arr[1].n) } }, render: function () { var self = this; var cnt = 0; return { type: "bi.absolute", items: [{ el: { type: "bi.button", ref: function () { self.button = this; }, handler: function () { if (cnt & 1) { self.model.name += 1; } else { self.model.arr[1].n += 1; } cnt++; }, text: this.model.name + "-" + this.model.arr[1].n } }] } }, mounted: function () { } }); BI.shortcut("demo.fix4", Demo.Fix); }());