redux reducer 中怎样更新对象数组中的某个选项
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1 扁平化数据，// state: {1: { name: 1, table:2 }, 2: {name: 2, table: 2} } 更新新的state: { ...state, 1:{name: 3, table:3} } 2 数组 new = [...old, newItem]
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redux reducer 中怎样更新对象数组中的某个选项
用map
1 扁平化数据，// state: {1: { name: 1, table:2 }, 2: {name: 2, table: 2} } 更新新的state: { ...state, 1:{name: 3, table:3} } 2 数组 new = [...old, newItem]