106 lines
2.3 KiB
Plaintext
106 lines
2.3 KiB
Plaintext
import dayTs from './Date';
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enum timeType {
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fulltime = 1
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}
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/**
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* 获取当前时间
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* @param type
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* @returns
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*/
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export function GetCurrentTime(type?: timeType): string {
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if (type === 1) {
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return dayTs().format("YYYYMMDDHHmmss")
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} else {
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return dayTs().format("YYYY-MM-DD HH:mm:ss")
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}
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}
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/**
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* 是否是指定天数之前
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* @param date
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* @param days
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* @returns
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*/
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export function IsDaysAgo(date: string | number | Date, days: number = 2): boolean {
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const today = dayTs(); // 当前日期
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const target = dayTs(date).format("YYYY-MM-DD HH:mm:ss.SSS"); // 需要判断的日期
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// 计算两个日期之间的差异天数
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const diffDays = today.diff(target, 'day');
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// 如果差异天数大于等于指定天数，则返回 true
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return diffDays >= days;
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}
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/**
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* 字符串转字节数组
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* @param str
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* @returns
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*/
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export function StringToBytes(str: string): Uint8Array {
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const bytes = new Uint8Array(str.length);
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for (let i = 0; i < str.length; i++) {
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bytes[i] = str.charCodeAt(i);
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}
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return bytes;
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}
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/**
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* 字符串转ASCII码
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*/
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export function StringToASCII(str: string): number[] {
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const arr: number[] = [];
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for (let i = 0; i < str.length; i++) {
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arr.push(str.charCodeAt(i));
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}
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return arr;
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}
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/**
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* 数组转字节
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*/
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export function ArrayToByteArray(array: number[]): Uint8Array {
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const buf = new ArrayBuffer(array.length);
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const view = new Uint8Array(buf);
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for (let i = 0; i < array.length; i++) {
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view[i] = array[i] & 0xFF;
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}
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return view;
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}
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/**
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* 字符串转字节数组
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* @param number 要转换的数字
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* @param len 字节数
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* @returns 返回字节数组
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*/
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export function NumberToByteArray(number: number, len: number): number[] {
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let str = Math.floor(number).toString(2);
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if (str.length > len) {
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console.log('数据长度不对~~');
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return [];
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}
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const byteString = FillZero(str, len);
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const arrBytes: number[] = [];
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for (let i = byteString.length; i > 0; ) {
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let j = i - 8;
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if (j < 0) {
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j = 0;
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}
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const s = byteString.slice(j, i);
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const v = parseInt(s, 2);
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arrBytes.push(v);
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i -= 8;
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}
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return arrBytes;
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}
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export function FillZero(str: string | number, len: number): string {
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str = str.toString();
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if (str.length >= len || len <= 0) {
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return str;
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}
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const zeroStr = '0'.repeat(len - str.length);
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return zeroStr + str;
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} |