/**
 * 将图片转换为Base64格式
 * @param filePath 图片临时路径
 * @returns Promise对象，包含转换后的base64字符串
 */
export const convertImageToBase64 = (filePath: string): Promise<string> => {
	return new Promise((resolve, reject) => {
		uni.getFileSystemManager().readFile({
			filePath,
			encoding: 'base64',
			success: (res) => resolve(res.data as string),
			fail: (err) => reject(err),
		})
	})
}