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提示这个:vue.esm.js?101b:476 [Vue warn]: Property or method "itemDetail" is not defined on the instance but referenced during render. Make sure to declare reactive data properties in the data option.
刚开始学习vue,下载这个demo,自己照着写了一个,
在子组建中的定义
store中的定义
运行的时候报这个错误
应该是再子组建中找不到
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