import React, { useState } from 'react'; import { PDFDocument } from 'pdf-lib'; const PDFMergeComponent = () => { const [pdfFiles, setPdfFiles] = useState([]); const decodeBase64PDF = async (base64) => { const pdfBytes = atob(base64); const pdfDoc = await PDFDocum...
以下是一个示例代码,展示如何在React Native中将base64字符串转换为Blob: 代码语言:txt 复制 import { fetch } from 'react-native-fetch-api'; // 确保你已经安装了react-native-fetch-api const base64String = 'your-base64-string-here'; const convertBase64ToBlob = async (base64) => { try {...
This repo is a working rewrite ofthisabandoned library. It provides a very simple way to convert an image to a base64 string. If you encounterOOMerrors on old android devices, make sure you optimize the image's size before you convert it. Indeed working with big images on Android might ...
example: '1080:1731|'constresolution=/^(\d+):(\d+)\|/g.exec(data);constwidth=(resolution||["",0,0])[1];constheight=(resolution||["",0,0])[2];constbase64=data.substr((resolution||[""])[0].length||0);// convert from base64 to Bufferconstbuffer...
log('The file saved to ', res.path()) }) Upload example : Dropbox files-upload API react-native-blob-util will convert the base64 string in body to binary format using native API, this process is done in a separated thread so that it won't block your GUI. ReactNativeBlobUtil.fetch...
const convertImageToBase64 = async (path: string) => { return await RNFS.readFile(path, 'base64'); }; 使用OpenAI 分析照片 要使用 OpenAI 分析照片,小飞侠需要调用 OpenAI rest api。npm 中有一个内置的 OpenAI SDK,但小飞侠不会将其用于较新的视觉 API。使用 openAI 分析小飞侠拍摄的图片有几个步骤...
Please note that, for your convenience, Onfido provides the byteArrayStringToBase64 helper function to convert the fileData from String to a Base64 format. Here is an example of how to use it:let byteArrayString = mediaResult.fileData; let base64FileData = Onfido.byteArrayStringToBase64(...
conversionQualityNOOKNOFor conversion from HEIC/HEIF to JPEG, 0 to 1. Default is0.92 cameraTypeOKOKNO'back' or 'front' (May not be supported in few android devices). includeBase64OKOKOKIftrue, creates base64 string of the image (Avoid using on large image files due to performance). ...
import { stringToBytes } from 'convert-string'; //发送给蓝牙的指令 let command = 'FEFD010AFCFB'; //将字符串转换成字节数组传送,stringToByte方法将每个16进制的字符转换成指定位置的字符的 Unicode编码,这个返回值是 0 - 65535 之间的整数
https://www.npmjs.com/package/image-to-base64 否则，您可以使用下面的代码。常量blob =等待获取（...