first-vue@1.0.0 dev /Users/xxx//WebstormProjects/first-vue > node build/dev-server.js events.js:160 throw er; // Unhandled 'error' event ^ Error: listen EADDRINUSE :::8080 at Object.exports._errnoException (util.js:953:11) at exports._exceptionWithHostPort (util.js:976:20) at Server._listen2 (net.js:1253:14) at listen (net.js:1289:10) at Server.listen (net.js:1385:5) at EventEmitter.listen (/Users/ym-os/WebstormProjects/first-vue/node_modules/.4.14.0@express/lib/application.js:617:24) at Object.<anonymous> (/Users/ym-os/WebstormProjects/first-vue/build/dev-server.js:60:22) at Module._compile (module.js:541:32) at Object.Module._extensions..js (module.js:550:10) at Module.load (module.js:458:32) at tryModuleLoad (module.js:417:12) at Function.Module._load (module.js:409:3) at Function.Module.runMain (module.js:575:10) at startup (node.js:160:18) at node.js:449:3 npm ERR! Darwin 15.5.0 npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev" npm ERR! node v6.2.0 npm ERR! npm v3.8.9 npm ERR! code ELIFECYCLE npm ERR! first-vue@1.0.0 dev: `node build/dev-server.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the first-vue@1.0.0 dev script 'node build/dev-server.js'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the first-vue package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node build/dev-server.js npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs first-vue npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls first-vue npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! /Users/ym-os/WebstormProjects/first-vue/npm-debug.log
该问题是因为脚手架工具默认监听的是8080端口，此时是8080端口被占用情况导致的。
找出8080端口占用进程然后杀死
执行sudo lsof -i :8080
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME httpd 79 root 6u IPv6 0x16935b8002e27567 0t0 TCP *:http-alt (LISTEN)
执行sudo kill -9 79
再执行sudo npm run dev,然后搭建成功.
