這個(gè)錯(cuò)誤怎么回事呢？
Each child in an array or iterator should have a unique "key" prop. Check the render method of GalleryByReactApp. See https://fb.me/react-warning-keys for more information.
魏知行
2016-05-09
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2016-05-14
這個(gè)是警告，key 不能作為子組件的 prop