Interceptor
拦截器
import { CallHandler, ExecutionContext, Injectable, NestInterceptor,} from '@nestjs/common';import { Observable, tap } from 'rxjs';
@Injectable()export class LoggerInterceptor implements NestInterceptor { intercept(context: ExecutionContext, next: CallHandler): Observable<any> { const now = Date.now(); const url = context.switchToHttp().getRequest().url; // 路由path return next .handle() .pipe( tap(() => console.log(`访问${url} 路由用时: ${Date.now() - now}ms`)), ); }}