关于前端:React-Ant-Design-Upload-组件定制开发-ustomRequest-自定义上传

<Form.Item    label="Banner图"    name="banner"    valuePropName="fileList"    getValueFromEvent={normFile}><Upload    name="bannerUpload"    customRequest={uploadHandler}    >        <Button icon={<UploadOutlined />}>上传图片</Button></Upload>

const uploadHandler = async (options: any) => {    const { onSuccess, file } = options;    if (!file) {      return false;    }         const fd = new FormData();    fd.append("file", file);    const res = await fetch(uploadUrl, {      method: "POST",      credentials: "include",      body: fd,    });     if (!res.ok) {      const err = await res.json();      return false;    }     const { url } = await res.json();    console.log('image url result: ', url, file);        file.url = url    onSuccess(res, file)    return true;};