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...
如果 uint8Array 没有足够的空间,这可能小于 src.length(length of source 字符串)。 //dest:也是一个数值,指定存储在目标 Uint8Array 对象 Array 中的 UTF-8 unicode 的数量。它总是等于阅读。 textEncoder.encodeIntoUint8Array(value, dest) // let result = textEncoder.encodeIntoUint8Array(value, dest...
import util from '@ohos.util'; class StringUtils { /** * string转Uint8Array * @param value * @returns */ string2Uint8Array1(value: string): Uint8Array { if (!value) return null; // let textEncoder = new util.TextEncoder(); //获取点流并发出 UTF-8 字节流 TextEncoder 的所有实例...
*@paraminput*@returns*/arrayBuffer2String(input:ArrayBuffer){returnthis.uint8Array2String(newUint8Array(input)) } }exportdefaultnewStringUtils() 示例代码: letglobalPlainText =""globalPlainText +="一二三四五六七八九十"globalPlainText +="SDK向DevEco Studio提供全量API,DevEco Studio识别开发者项目中选择...
static base64ToStr(base64Str: string): string{const uint8Array=Base64Util.decodeSync(base64Str);returnStrUtil.uint8ArrayToStr(uint8Array);}/** * 字符串转 ArrayBuffer * @param src 字符串 * @param encoding 编码方式 * @returns ArrayBuffer ...
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,'-...
element type of this TypedArray and whose ArrayBuffer is the ArrayBuffer of this TypedArray, referencing the elements in the interval from start (inclusive) to end (exclusive). If either start or end is negative, it refers to an index from the end of the array, as opposed to from the ...
constructor(array: ArrayLike<number> |ArrayBufferLike) Example: letarray =newArray<Number>(); array.push(1asNumber); array.push(2asNumber); array.push(3asNumber);lettarget:Uint16Array=newUint16Array(arrayasArrayLike<Number> ); Or:
Uint8Array<ArrayBuffer>, <== Uint16Array, Uint32Array, ... Do we deliberately support different TS versions? Could we not lock in a specific version by creating a lock file from package.json and then use that when running the tests? We...
let buffer = new ArrayBuffer(4096); let file = fs.openSync(uri, fs.OpenMode.READ_ONLY); let readLen = fs.readSync(file.fd, buffer); this.showData = uint8ArrayToString(new Uint8Array(buffer)) as string; //将原始字节数据转换成字符串便于显示 ...