43 lines
984 B
TypeScript
43 lines
984 B
TypeScript
import { Service } from 'egg';
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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 exceptionResult(status) {
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const { code, simStr } = status;
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return { status: code, data: simStr };
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}
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}
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