reactjs - Redux 不更新状态

问题描述

即使更新了 props，Redux 也不会更新组件。我有一个数据，其中lists每个列表都可以cards在它们内部和lists内部也有一个（如文件夹内的文件夹）。cards并且lists基本上是一个对象数组。这是一个示例数据-

"data": [
    {
        "name": "new list",
        "id": 31,
        "created_at": "2018-11-07 17:48:10+05:30",
        "lists": [],
        "cards": [
            {
                "name": "new call",
                "id": 8,
                "display_order": 0,
                "due_at": null,
                "user_list_id": 31,
                "description": null,
                "created_at": "2018-11-08T16:34:14+05:30",
                "labels": null
            },
            {
                "name": "testing",
                "id": 9,
                "display_order": 2,
                "due_at": null,
                "user_list_id": 31,
                "description": null,
                "created_at": "2018-11-08T20:07:12+05:30",
                "labels": null
            },
            {
                "name": "new card",
                "id": 7,
                "display_order": 3,
                "due_at": null,
                "user_list_id": 31,
                "description": null,
                "created_at": "2018-11-08T16:34:09+05:30",
                "labels": null
            }
        ]
    },
    {
        "name": "rename",
        "id": 29,
        "created_at": "2018-11-04 20:03:54+05:30",
        "lists": [],
        "cards": [
            {
                "name": "testing",
                "id": 1,
                "display_order": 0,
                "due_at": null,
                "user_list_id": 29,
                "description": null,
                "created_at": "2018-11-08T16:23:40+05:30",
                "labels": null
            },
            {
                "name": "testing again",
                "id": 2,
                "display_order": 1,
                "due_at": null,
                "user_list_id": 29,
                "description": null,
                "created_at": "2018-11-08T16:23:45+05:30",
                "labels": null
            }
        ]
    }
]

现在，在我删除一张卡片后，我会从这样的列表中删除这张卡片。

    const lists = this.props.lists;
    const foundAt = lists.findIndex(e => parseFloat(e.id) === parseFloat(listId));
    let cards = lists[foundAt]['cards'];
    const cardFoundAt = cards.findIndex(e => parseFloat(e.id) === parseFloat(cardId));
    cards.splice(cardFoundAt, 1);
    lists[foundAt]['cards'] = cards;
    this.props.rearrangeList(lists);

在我的行动中，我有这个-

export const rearrangeLists = (lists) => {
return {
    type: REARRANGED_LISTS,
    payload: lists
};
};

在我的减速机中，我有这个-

...
case REARRANGED_LISTS:
        return {
            ...state,
            lists: action.payload
        };
...

我不知道我在哪里做错了。呈现列表的组件不显示更新的版本，但是在我render执行componenta 时console.log(this.props.lists)，我看到它显示的是更新版本，但在页面上，它没有更新它。我真的很无知。请帮忙。预先感谢您的帮助。

标签： reactjsreduxreact-reduxredux-thunk

reactjs - Redux 不更新状态

问题描述

解决方案

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