private _PLACEHOLDER: string; @Input() public set placeholder(v: string) { this._PLACEHOLDER = v; } public get placeholder(): string { if (this._PLACEHOLDER) { return this._PLACEHOLDER; } else { return ''; } }
angular 父子组件传值 用get set 访问器设置默认值
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转载自www.cnblogs.com/mlh1421/p/11506927.html
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