express-domain:Express 的异步错误处理程序

关于 Express 的异步错误处理程序 安装 npm install express-domain 用法 var express = require ( 'express' ) , expressDomain = require ( 'express-domain' ) ; var app = express ( ) . use ( expressDomain ( ) ) . use ( function ( req , res ) { if ( Math . random ( ) > 0.5 ) { throw new Error ( 'Simple error' ) ; } setTimeout ( function ( ) { if ( Math . random ( ) > 0.5 ) { throw