我們從別人那里下載一個項目 ，通過package.json里面的依賴 npm install 來安裝所需要的各個包
但是 有可能項目很老，我們一個個更新又很麻煩所以
https://blog.csdn.net/zhangteng22/article/details/76438776
hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$ sudonpm install -g npm-check-updates sudonpm：未找到命令 hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$ sudo npm install -g npm-check-updates /usr/bin/npm-check-updates -> /usr/lib/node_modules/npm-check-updates/bin/npm-check-updates /usr/bin/ncu -> /usr/lib/node_modules/npm-check-updates/bin/ncu + npm-check-updates@2.14.2 added 383 packages from 588 contributors in 11.187s hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$ ncuUsing /home/hanshanyang/Projects/bittigercs503/week3/oj-client/package.json [..................] / : @angular/common ^2.3.1 → ^6.1.2 @angular/compiler ^2.3.1 → ^6.1.2 @angular/core ^2.3.1 → ^6.1.2 @angular/forms ^2.3.1 → ^6.1.2 @angular/http ^2.3.1 → ^6.1.2 @angular/platform-browser ^2.3.1 → ^6.1.2 @angular/platform-browser-dynamic ^2.3.1 → ^6.1.2 @angular/router ^3.3.1 → ^6.1.2 angular2-jwt ^0.1.28 → ^0.2.3 bootstrap ^3.3.7 → ^4.1.3 rxjs ^5.0.1 → ^6.2.2 zone.js ^0.7.2 → ^0.8.26 @angular/cli 1.0.0-rc.1 → 6.1.3 @angular/compiler-cli ^2.3.1 → ^6.1.2 @types/jasmine 2.5.38 → 2.8.8 @types/node ^6.0.42 → ^10.5.8 codelyzer ~2.0.0-beta.1 → ~4.4.3 jasmine-core 2.5.2 → 3.2.0 jasmine-spec-reporter 2.5.0 → 4.2.1 karma 1.2.0 → 3.0.0 karma-remap-istanbul ^0.2.1 → ^0.6.0 protractor ~4.0.13 → ~5.4.0 ts-node 1.2.1 → 7.0.1 tslint ^4.3.0 → ^5.11.0 typescript ~2.0.3 → ~3.0.1 The following dependencies are satisfied by their declared version range, but the installed versions are behind. You can install the latest versions without modifying your package file by using npm update. If you want to update the dependencies in your package file anyway, run ncu -a. ace-builds ^1.2.6 → ^1.4.1 core-js ^2.4.1 → ^2.5.7 jquery ^3.1.1 → ^3.3.1 karma-chrome-launcher ^2.0.0 → ^2.2.0 karma-jasmine ^1.0.2 → ^1.1.2 Run ncu with -u to upgrade package.json hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$ ncu -u Using /home/hanshanyang/Projects/bittigercs503/week3/oj-client/package.json [..................] / : @angular/common ^2.3.1 → ^6.1.2 @angular/compiler ^2.3.1 → ^6.1.2 @angular/core ^2.3.1 → ^6.1.2 @angular/forms ^2.3.1 → ^6.1.2 @angular/http ^2.3.1 → ^6.1.2 @angular/platform-browser ^2.3.1 → ^6.1.2 @angular/platform-browser-dynamic ^2.3.1 → ^6.1.2 @angular/router ^3.3.1 → ^6.1.2 angular2-jwt ^0.1.28 → ^0.2.3 bootstrap ^3.3.7 → ^4.1.3 rxjs ^5.0.1 → ^6.2.2 zone.js ^0.7.2 → ^0.8.26 @angular/cli 1.0.0-rc.1 → 6.1.3 @angular/compiler-cli ^2.3.1 → ^6.1.2 @types/jasmine 2.5.38 → 2.8.8 @types/node ^6.0.42 → ^10.5.8 codelyzer ~2.0.0-beta.1 → ~4.4.3 jasmine-core 2.5.2 → 3.2.0 jasmine-spec-reporter 2.5.0 → 4.2.1 karma 1.2.0 → 3.0.0 karma-remap-istanbul ^0.2.1 → ^0.6.0 protractor ~4.0.13 → ~5.4.0 ts-node 1.2.1 → 7.0.1 tslint ^4.3.0 → ^5.11.0 typescript ~2.0.3 → ~3.0.1 ace-builds ^1.2.6 → ^1.4.1 core-js ^2.4.1 → ^2.5.7 jquery ^3.1.1 → ^3.3.1 karma-chrome-launcher ^2.0.0 → ^2.2.0 karma-jasmine ^1.0.2 → ^1.1.2 Upgraded /home/hanshanyang/Projects/bittigercs503/week3/oj-client/package.json hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$ ncu -a Using /home/hanshanyang/Projects/bittigercs503/week3/oj-client/package.json [..................] \ : ace-builds ^1.2.6 → ^1.4.1 core-js ^2.4.1 → ^2.5.7 jquery ^3.1.1 → ^3.3.1 karma-chrome-launcher ^2.0.0 → ^2.2.0 karma-jasmine ^1.0.2 → ^1.1.2 Upgraded /home/hanshanyang/Projects/bittigercs503/week3/oj-client/package.json hanshanyang@hanshanyang-VirtualBox:~/Projects/bittigercs503/week3/oj-client$
然后 sudo npm install
來安裝