95 lines
2.5 KiB
TypeScript
95 lines
2.5 KiB
TypeScript
import { Service } from 'egg';
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import { resResult as pubResult } from '../pubUtils/util';
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import { gameData } from 'app/pubUtils/data';
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import { RedisClient } from 'redis';
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import { REDIS_KEY } from '@consts';
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const csprng = require('csprng');
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/**
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* Utils Service
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*/
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export default class Utils extends Service {
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/**
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* 生成 len 长度的随机字符串
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* @param len 长度
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* @param radix 基数
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*/
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public generateStr(len: number, radix = 36) {
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return `${csprng(len, radix)}`;
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}
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public genCode(len) {
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const chars = '123456789ABCDEFGHJKLMNPQRSTWXYZabcdefghijklmnopqrstuvwxyz';
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const charArr = chars.split('');
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let code = '';
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for (let i = 0; i < len; i++) {
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code += charArr[Math.floor(Math.random() * charArr.length)];
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}
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return code;
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}
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/**
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* 生成指定长度的随机数
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* @param len 随机数长度
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*/
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public generateNum(len: number) {
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let code = '';
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for (let i = 0; i < len; i++) {
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code += parseInt(`${Math.random() * 10}`);
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}
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return code;
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}
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public resResult(status: {code: number, simStr: string}, data?, customMsg?: string) {
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return pubResult(status, data, customMsg);
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}
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public log(level: 'DEBUG'|'INFO'|'WARN'| 'ERROR', message: string) {
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const log = this.app.loggers.get('linkLogger');
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if(level == 'DEBUG') {
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log.error(`${message}`);
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} else if (level == 'INFO') {
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log.info(`${message}`);
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} else if (level == 'WARN') {
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log.warn(`${message}`);
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} else if (level == "ERROR") {
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log.error(`${message}`);
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}
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}
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// 检测是否可以登录
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public async validateCanLogin() {
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if(gameData.serverConst.CLOSE_LOGIN == 1) return false;
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if(gameData.serverConst.CLOSE_LOGIN_WHEN_ONLINE_MAX) {
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let redisClient: RedisClient = this.ctx.app.context.redisClient;
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let count = await redisClient.hlenAsync(REDIS_KEY.ONLINE_USERS);
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if(count >= gameData.serverConst.MAX_ONLINE_USER_COUNT) {
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return false
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}
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}
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return true;
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}
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// 比较以 . 分隔的版本号。返回 0 则版本号相等，返回正数则 versionA 大，返回负数则 versionB 大
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public compareVersion (versionA: string, versionB: string) {
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var vA = versionA.split('.');
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var vB = versionB.split('.');
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for (var i = 0; i < vA.length; ++i) {
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var a = parseInt(vA[i]);
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var b = parseInt(vB[i] || '0');
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if (a === b) {
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} else {
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return a - b;
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}
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}
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if (vB.length > vA.length) {
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return -1;
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} else {
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return 0;
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}
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};
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}
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