import{arkts}from'鸿蒙模块';functionarrayBufferToBase64Url(arrayBuffer:ArrayBuffer):string{// 将ARRAY_BUFFER数据转换为base64格式字符串constbase64=btoa(String.fromCharCode.apply(null,newUint8Array(arrayBuffer)));// 将base64格式字符串转换为base64url格式字符串constbase64url=base64.replace(/\+/g,'-...
let base64Str = base64.encode(dealStr) LogUtils.i("base64 = " + base64Str); // let arr1: ArrayBuffer = base64.decode(base64Str) LogUtils.i("result1 = " + StringUtils.arrayBuffer2String(arr1)); 鸿蒙OS开发更多内容↓点击HarmonyOS与OpenHarmony技术 鸿蒙技术文档开发知识更新库gitee.com/li...
如何将ArrayBuffer转成string Uint8Array类型和String以及hex如何互相转换 如何进行base64编码 赋值和深/浅拷贝的区别 ArkTS是否支持多继承 ArkTS是否支持交叉类型 ArkTS是否支持匿名内部类 如何使用Record 如何通过AOP统计方法执行时间 如何快速生成class的setter和getter方法 如何实现Sendable类型和JSON数据...
LogUtils.i("base64 = "+ base64Str);//letarr1:ArrayBuffer= base64.decode(base64Str) LogUtils.i("result1 = "+ StringUtils.arrayBuffer2String(arr1));复制 运行结果: TextEncoder源码(部分API在since 9 已废弃): /** * The TextDecoder interface represents a text decoder. * The decoder ...
info("FileManager", "read data to file succeed and size is:" + readLen); fs.closeSync(file); return buf; } catch (e) { Logger.error("FileManager", JSON.stringify(e)); } return new ArrayBuffer(0); }1 4 浏览689 发布于2024-02-17 09:15广东...
筛选支持能力集包含的API并提供API联想" let dealStr = StringUtils.string2Uint8Array1(globalPlainText) let base64Str = base64.encode(dealStr) LogUtils.i("base64 = " + base64Str); // let arr1: ArrayBuffer = base64.decode(base64Str) LogUtils.i("result1 = " + StringUtils.arrayBuffer2...
(Color.White)}}// 沙箱pdf文件转base64方法sandBoxPdfToBase64(url:string){letfile=fs.openSync(url,fs.OpenMode.READ_WRITE);// 打开文件letstat=fs.statSync(url);// 获取文件状态letbuf=newArrayBuffer(stat.size);// 创建一个ArrayBuffer对象letbase64=newutil.Base64Helper();// 实例化Base64Helper...
let code: http.ResponseCode | number = OutData.responseCode if (http.ResponseCode.OK === code) { let imageData: ArrayBuffer = OutData.result as ArrayBuffer; let imageSource: image.ImageSource = image.createImageSource(imageData); class tmp { height: number = 100 width: number = 100 }...
field_map_i64_i64.set(BigInt(i), BigInt(i)) struct_impl.field_map_i64_string.set(BigInt(i), i.toString()) } // const binarybuf: ArrayBuffer = struct_impl.toBinary() // const new_struct_pkg_struct = struct_pkg_Struct.fromBinary(new Uint8Array(binarybuf)) // to json & from...
This PR implements a Buffer class and related utilities in the std.core namespace to provide binary data handling capabilities. Descriptipn Implements Buffer class with ArrayBuffer backing store Adds support for multiple character encodings: UTF-8/UTF-16LE ASCII Base64/Base64URL Latin1/Binary Hex...