小编jos*_*ano的帖子

如果变量为 true，但当组件渲染显示警告时，我尝试渲染某些输入Warning: Failed prop type: Invalid prop `children` supplied to `ForwardRef(Select)`, expected a ReactNode.

下面是 Material-ui 对话框的代码，它接收一些道具，其中一个是我验证是否显示一对选择输入的道具。

我正在做的是验证变量是否为真，如果不是则显示它们，不显示它们。

    states...\n    requests...\n    onSubmit...\n\n    return (\n        <Box component="form" onSubmit={handleSubmit} sx={{ mt: 1 }}>\n            <Collapse in={open}>\n                <Alert severity={severity}>{alertMsg}</Alert>\n            </Collapse>\n            <DialogTitle>Proceso de factura.</DialogTitle>\n            <DialogContent>\n                <Container>\n                    <TextField\n                        autoFocus\n                        margin="dense"\n                        id="vus"\n                        name="vus"\n                        label="Valor unitario de servicio."\n                        fullWidth\n                        variant="outlined"\n                        onChange={handleChange}\n                        value={vus}\n                    />\n                    <TextField\n                        margin="dense"\n                        id="discount"\n                        name="discount"\n                        label="Descuento"\n                        fullWidth\n                        variant="outlined"\n                        onChange={handleChange}\n                        value={discount}\n                    />\n                    <TextField\n                        margin="dense"\n                        id="paymentMeth"\n                        name="paymentMeth"\n                        label="M\xc3\xa9todo de pago"\n                        fullWidth\n                        variant="outlined"\n                        onChange={handleChange}\n                        value={paymentMeth}\n                    />\n …