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Ant Design pro v4服务菜单显示Icon

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前段时间写了几篇ant design pro v4服务器控制菜单和路由的文章。有小伙伴说按照文章的方法菜单是拉取下来了。但是，跟使用config.ts控制菜单相比，服务器下发的菜单没有显示菜单图标（Icon）。于是，又花了一点时间解决icon显示的问题，这里来跟大家分享。

我们在这篇文章的基础上进行修改，如有需要请参考下面链接查看：


玩乐儿童编程：Ant design pro v4-服务器菜单和路由权限控制

1. 在服务器下发菜单中添加icon字符串

{
	"code": 0,
	"message": "response successful",
	"data": [{
		"path": "/overview",
		"name": "数据总览",
        "icon": "smile",
		"children": [{
			"path": "/overview/daily",
			"name": "analysis12",
			"children": null,
			"authority": null，
			"icon": "smile",
		}],
		"authority": ["admin", "user"]
	}, {
		"path": "/function",
		"name": "gongneng",
        "icon": "smile",
		"children": [{
			"path": "/function/sign",
			"name": "sign111",
			"children": null,
			"authority": null，
            "icon": "smile",
		}, {
			"path": "/function/task",
			"name": "task111",
			"children": null,
			"authority": ["admin"]，
            "icon": "smile",
		}, {
			"path": "/function/pay",
			"name": "task111",
			"children": null,
			"authority": ["admin"]，
            "icon": "smile",
		}],
		"authority": null
	}]
}

2. 在前端定义枚举映射

import {HomeOutlined, PicLeftOutlined, SmileOutlined, SettingOutlined,} from '@ant-design/icons';

const iconEnum = {
  smile: <SmileOutlined />,
  home: <HomeOutlined />,
  picLeft: <PicLeftOutlined />,
  setting: <SettingOutlined />,
};

3. 对服务器下发的菜单数据进行转换（string->Icon）

利用MenuDataItem中icon字段是React.ReactNode的类型 

export interface MenuDataItem {
    authority?: string[] | string;
    children?: MenuDataItem[];
    hideChildrenInMenu?: boolean;
    hideInMenu?: boolean;
    icon?: React.ReactNode;
    locale?: string;
    name?: string;
    key?: string;
    path?: string;
    [key: string]: any;
    parentKeys?: string[];
}

将服务器下发的icon字符串转换为对应的Icon图标 

const menuDataRender = (menuList: MenuDataItem[]): MenuDataItem[] =>
  menuList.map(item => {
  const localItem = { ...item, icon:iconEnum[item.icon], children: item.children ? menuDataRender(item.children) : [] };
  return Authorized.check(item.authority, localItem, null) as MenuDataItem;
});

const serverMenuItem = ():MenuDataItem[]=>{
  const transMenuItem :MenuDataItem[] = [];
  if(Array.isArray(menuData)){
    menuData.forEach((v) => {
      const localV = { ...v, children: v.children ? menuDataRender(v.children) : [] , icon:iconEnum[v.icon]};
      const localMenuDataItem = Authorized.check(v.authority, localV, null) as MenuDataItem;
      transMenuItem.push(localMenuDataItem);
    });
  }
  return transMenuItem;
};

v2-bc291551d56c52a4f2278ba4c7978ba7_b.jpg
成功显示icon的菜单项

参考文章：




github.com/umijs/umi-pl





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