Vue computed 报错：Computed property ‘ ‘ was assigned to but it has no setter 错误原因分析与解决办法(vue错误提示)

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最近在封装Vue模块时，借助Vue的Computed属性监听传递的数据，但是开发调试过程中控制台取提示Computed property was assigned to but it has no setter 错误。控制台报错如下：

根据控制台错误提示，组件中定义的computed属性缺少setter,使用过computed 都应该知道，该错误提示通常发生在组件内为computed属性赋值的时候，如果没有显示的