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| 1 | +import { useEmit, useOn } from '@sa/hooks'; |
| 2 | + |
| 3 | +const { Text, Title } = ATypography; |
| 4 | + |
| 5 | +// Sender 组件:负责发送消息 |
| 6 | +function Sender() { |
| 7 | + const emit = useEmit(); |
| 8 | + const sendMessage = () => { |
| 9 | + emit('message', 'Hello from Sender!', new Date().toLocaleTimeString()); |
| 10 | + }; |
| 11 | + |
| 12 | + return ( |
| 13 | + <ACard |
| 14 | + className="shadow-sm transition-shadow duration-300 hover:shadow-md" |
| 15 | + title={ |
| 16 | + <ASpace> |
| 17 | + <IconAntDesignSendOutlined className="text-blue-500" /> |
| 18 | + <Text strong>Sender Component</Text> |
| 19 | + </ASpace> |
| 20 | + } |
| 21 | + > |
| 22 | + <AButton |
| 23 | + className="w-full" |
| 24 | + icon={<IconAntDesignSendOutlined />} |
| 25 | + size="large" |
| 26 | + type="primary" |
| 27 | + onClick={sendMessage} |
| 28 | + > |
| 29 | + Send Message |
| 30 | + </AButton> |
| 31 | + </ACard> |
| 32 | + ); |
| 33 | +} |
| 34 | + |
| 35 | +// Receiver 组件:负责接收消息 |
| 36 | +function Receiver() { |
| 37 | + const [message, setMessage] = useState<string>(''); |
| 38 | + const [time, setTime] = useState<string>(''); |
| 39 | + |
| 40 | + useOn('message', (msg: string, timestamp: string) => { |
| 41 | + setMessage(msg); |
| 42 | + setTime(timestamp); |
| 43 | + }); |
| 44 | + |
| 45 | + const MessageDisplay = () => ( |
| 46 | + <ASpace |
| 47 | + className="w-full" |
| 48 | + direction="vertical" |
| 49 | + > |
| 50 | + <div className="rounded-lg"> |
| 51 | + <Text type="secondary">Message:</Text> |
| 52 | + <Text |
| 53 | + strong |
| 54 | + className="block" |
| 55 | + > |
| 56 | + {message} |
| 57 | + </Text> |
| 58 | + <ADivider className="my-2" /> |
| 59 | + <Text type="secondary">Received at:</Text> |
| 60 | + <Text className="block">{time}</Text> |
| 61 | + </div> |
| 62 | + </ASpace> |
| 63 | + ); |
| 64 | + |
| 65 | + const EmptyMessage = () => ( |
| 66 | + <div className="py-4 text-center text-gray-400"> |
| 67 | + <div className="mb-2 text-2xl"> |
| 68 | + <IconAntDesignInboxOutlined /> |
| 69 | + </div> |
| 70 | + <Text type="secondary">No message received.</Text> |
| 71 | + </div> |
| 72 | + ); |
| 73 | + |
| 74 | + return ( |
| 75 | + <ACard |
| 76 | + className="shadow-sm transition-shadow duration-300 hover:shadow-md" |
| 77 | + title={ |
| 78 | + <ASpace> |
| 79 | + <IconAntDesignInboxOutlined className="text-green-500" /> |
| 80 | + <Text strong>Receiver Component</Text> |
| 81 | + </ASpace> |
| 82 | + } |
| 83 | + > |
| 84 | + {message ? <MessageDisplay /> : <EmptyMessage />} |
| 85 | + </ACard> |
| 86 | + ); |
| 87 | +} |
| 88 | + |
| 89 | +const EventBusDemo = () => { |
| 90 | + return ( |
| 91 | + <ACard |
| 92 | + className="h-full card-wrapper" |
| 93 | + size="small" |
| 94 | + variant="borderless" |
| 95 | + > |
| 96 | + <Title |
| 97 | + className="mb-8 text-center" |
| 98 | + level={2} |
| 99 | + > |
| 100 | + Event Bus Example: Sibling Communication |
| 101 | + </Title> |
| 102 | + <ASpace |
| 103 | + className="w-full" |
| 104 | + direction="vertical" |
| 105 | + size="large" |
| 106 | + > |
| 107 | + <Sender /> |
| 108 | + <Receiver /> |
| 109 | + </ASpace> |
| 110 | + </ACard> |
| 111 | + ); |
| 112 | +}; |
| 113 | + |
| 114 | +export const handle = { |
| 115 | + i18nKey: 'route.function_event-bus', |
| 116 | + icon: 'ant-design:send-outlined', |
| 117 | + title: 'function_event-bus' |
| 118 | +}; |
| 119 | + |
| 120 | +export default EventBusDemo; |
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