NestJS+Redis實(shí)現(xiàn)緩存步驟詳解

npm install cache-manager
npm install -D @types/cache-manager
npm install cache-manager-redis-store --save

import { Module, CacheModule } from '@nestjs/common';
import * as redisStore from 'cache-manager-redis-store';

imports: [
  CacheModule.register({
    store: redisStore,
    host: 'localhost',
    port: 6379,
  }),
],

import {
  Controller,
  Get,
  Res,
  Req,
  Inject,
  CACHE_MANAGER,
} from '@nestjs/common';
import { Cache } from 'cache-manager';

fakeString = 'Hello World!';

@Get('cache-test')
async setGetSimpleString() {
  const value = await this.cacheManager.get('my-string');
  if (value) {
    return {
      data: value,
      loadsFrom: 'redis cache',
    };
  }
  await this.cacheManager.set('my-string', this.fakeString, { ttl: 20 });
  return {
    data: this.fakeString,
    loadsFrom: 'fake database',
  };
}