Cordova - 如果我運行多個時間npm install -g cordova會發生什麼情況？

Question

我有窗口7操作系統，通過cmd會發生什麼，如果我運行多個時間npm install -g cordova？

我面臨以下錯誤： - npm ERR！取失敗https://registry.npmjs.org/cordova-app-hello-world/-/cordo VA-APP-HELLO-世界3.10.0.tgz

Microsoft Windows [Version 6.1.7601] 
 
Copyright (c) 2009 Microsoft Corporation. All rights reserved. 
 

 
C:\Users\Sandy_PC>node --version 
 
v4.3.0 
 

 
C:\Users\Sandy_PC>npm unistall -g cordova 
 

 
Usage: npm <command> 
 

 
where <command> is one of: 
 
    access, add-user, adduser, apihelp, author, bin, bugs, c, 
 
    cache, completion, config, ddp, dedupe, deprecate, dist-tag, 
 
    dist-tags, docs, edit, explore, faq, find, find-dupes, get, 
 
    help, help-search, home, i, info, init, install, issues, la, 
 
    link, list, ll, ln, login, logout, ls, outdated, owner, 
 
    pack, ping, prefix, prune, publish, r, rb, rebuild, remove, 
 
    repo, restart, rm, root, run-script, s, se, search, set, 
 
    show, shrinkwrap, star, stars, start, stop, t, tag, team, 
 
    test, tst, un, uninstall, unlink, unpublish, unstar, up, 
 
    update, upgrade, v, verison, version, view, whoami 
 

 
npm <cmd> -h  quick help on <cmd> 
 
npm -l   display full usage info 
 
npm faq   commonly asked questions 
 
npm help <term> search for help on <term> 
 
npm help npm  involved overview 
 

 
Specify configs in the ini-formatted file: 
 
    C:\Users\Sandy_PC\.npmrc 
 
or on the command line via: npm <command> --key value 
 
Config info can be viewed via: npm help config 
 

 
npm@2.14.12 C:\Program Files\nodejs\node_modules\npm 
 

 
C:\Users\Sandy_PC>npm install -g cordova 
 
npm ERR! fetch failed https://registry.npmjs.org/cordova-app-hello-world/-/cordo 
 
va-app-hello-world-3.10.0.tgz 
 
npm WARN retry will retry, error on last attempt: Error: connect ECONNREFUSED 18 
 
5.31.17.162:443 
 
npm ERR! fetch failed https://registry.npmjs.org/cordova-app-hello-world/-/cordo 
 
va-app-hello-world-3.10.0.tgz 
 
npm WARN retry will retry, error on last attempt: Error: connect ECONNREFUSED 18 
 
5.31.17.162:443 
 
npm ERR! fetch failed https://registry.npmjs.org/cordova-app-hello-world/-/cordo 
 
va-app-hello-world-3.10.0.tgz 
 
npm ERR! Windows_NT 6.1.7601 
 
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\ 
 
node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "cordova" 
 
npm ERR! node v4.3.0 
 
npm ERR! npm v2.14.12 
 
npm ERR! code ECONNREFUSED 
 
npm ERR! errno ECONNREFUSED 
 
npm ERR! syscall connect 
 

 
npm ERR! Error: connect ECONNREFUSED 185.31.17.162:443 
 
npm ERR!  at Object.exports._errnoException (util.js:870:11) 
 
npm ERR!  at exports._exceptionWithHostPort (util.js:893:20) 
 
npm ERR!  at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1063:14) 
 
npm ERR! { [Error: connect ECONNREFUSED 185.31.17.162:443] 
 
npm ERR! code: 'ECONNREFUSED', 
 
npm ERR! errno: 'ECONNREFUSED', 
 
npm ERR! syscall: 'connect', 
 
npm ERR! address: '185.31.17.162', 
 
npm ERR! port: 443, 
 
npm ERR! parent: 'cordova-lib' } 
 
npm ERR! 
 
npm ERR! If you are behind a proxy, please make sure that the 
 
npm ERR! 'proxy' config is set properly. See: 'npm help config' 
 

 
npm ERR! Please include the following file with any support request: 
 
npm ERR!  C:\Users\Sandy_PC\npm-debug.log 
 

 
C:\Users\Sandy_PC>

Answer 1

npm install -g cordova取什麼科爾多瓦的新版本是在回購可用，它安裝在你的設備更換以前的版本。 npm update -g cordova做同樣的事情。但是，通過npm安裝，您可以選擇特定版本。 例如：npm install -g cordova@3.1.0-0.2.0等等。