31 lines
923 B
React
31 lines
923 B
React
import React, { useState } from 'react';
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import Snackbar from '@mui/material/Snackbar';
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import Alert from '@mui/material/Alert';
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// 模块级单例：admin 任意处调用 showSnack，由 AdminLayout 内的 SnackHost 消费
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let showFn = null;
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export function showSnack(msg, severity = 'success') {
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if (showFn) showFn(msg, severity);
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else window.alert(msg);
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}
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export default function SnackHost() {
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const [open, setOpen] = useState(false);
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const [msg, setMsg] = useState('');
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const [severity, setSeverity] = useState('success');
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showFn = (m, s) => { setMsg(m); setSeverity(s || 'success'); setOpen(true); };
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return (
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<Snackbar
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open={open}
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autoHideDuration={2500}
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onClose={() => setOpen(false)}
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anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
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>
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<Alert severity={severity} variant="filled" onClose={() => setOpen(false)}>{msg}</Alert>
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</Snackbar>
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);
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}
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