vue运行报错:events.js:160

刚安装好vue项目运行环境，出现以下问题：

events.js:160
throw er; // Unhandled 'error' event
^

Error: listen EADDRINUSE :::8080
at Object.exports._errnoException (util.js:1022:11)
at exports._exceptionWithHostPort (util.js:1045:20)
at Server._listen2 (net.js:1259:14)
at listen (net.js:1295:10)
at Server.listen (net.js:1391:5)
at EventEmitter.listen (F:\代码\博客改版\学习\Vue\vue-demo\node_modules\express\lib\application.js:618:24)
at Object.<anonymous> (F:\代码\博客改版\学习\Vue\vue-demo\build\dev-server.js:85:18)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.runMain (module.js:604:10)
at run (bootstrap_node.js:394:7)
at startup (bootstrap_node.js:149:9)
at bootstrap_node.js:509:3

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "D:\\Program Files\\nodejs\\node.exe" "D:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "dev"
npm ERR! node v6.10.0
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! vue-demo@1.0.0 dev: `node build/dev-server.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue-demo@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 vue-demo 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 vue-demo
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls vue-demo
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! F:\代码\博客改版\学习\Vue\vue-demo\npm-debug.log

Process finished with exit code 1

解决方案：

1.关掉使用8080端口的进程

2.修改此项目打开的端口

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