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ng-zorro-antd 树选择组件 设置选中节点

in Technique[技术] by (71.8m points)

ng-zorro-antd 的树选择组件的 ngModel 官方案例提供的数据类型是 string（假如变量名称是 selectedNodeKey），但是我后端响应来的数据是主键，是 Integer 类型的，反应到 Angular 的 TypeScript 中就是 number 类型了，我转换数据类型 <string><unknown>numValue 后赋值给 selectedNodeKey,树选择组件没有效果，如果硬编码 selectedNodeKey = '11' 则有效果，在线源码是：
https://stackblitz.com/edit/a...
我要如何解决这个数据类型转换导致无效的问题？


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与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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