解决npm install 安装慢！！！

wellknow

安装慢的原因
7 C3 @. D* Z* z( z, g1 ^. K9 ynpm install 默认使用的安装镜像是国外的镜像，😒😒
/ ~& T* |8 |$ F: u8 z0 F所以在国内使用，会受到网络的限制，所以导致安装速度及其之慢，有的时候，会因为网速问题直接报错

解决方式
方式一：更换npm的安装镜像源为国内的即可改变
7 \. _; S, j& {方式二：更换网络（一般不会这么做）

【更换npm源】：
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npm config set registry https://registry.npm.taobao.org

2 b- c+ t+ }9 R/ W" n# P如果没有报错就是已经切换成功，然后我们再次执行 npm install
# F3 I7 X6 ^. V% F或者我们可以在安装的时候指定其安装镜像
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npm install --registry=https://registry.npm.taobao.org

: U/ |" U) @5 s- ^6 Y0 }; F最后 我们可以查看一下
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npm config get registry

wellknow

yarn安装依赖速度太慢的解决办法

4 ^! D% g- {) n! |3 }0 b+ k' ]1、在用户目录文件夹下找到.yarnc文件（如我的是在：C:\Users\钟志胜\下）
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" Z( o4 l+ `' Z9 l2 n2、编辑.yarnc文件，添加如下内容
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registry "https://registry.npm.taobao.org"
& R4 ^  g% L/ f; ^7 a5 Vchromedriver_cdnurl "https://cdn.npm.taobao.org/dist/chromedriver"
% J1 p! a$ R3 x0 h) Pelectron_mirror "https://npm.taobao.org/mirrors/electron/"
2 U% Y- d' e2 x  H# i- clastUpdateCheck 1664005622411
phantomjs_cdnurl "http://cnpmjs.org/downloads"
profiler_binary_host_mirror "https://npm.taobao.org/mirrors/node-inspector/"
( v' c- L' }& i+ V* N2 P5 dsass_binary_site "https://npm.taobao.org/mirrors/node-sass/"
sqlite3_binary_host_mirror "https://foxgis.oss-cn-shanghai.aliyuncs.com/"

3、编辑后保存文件
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4、设置为淘宝镜像
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npm config set registry https://registry.npm.taobao.org/
yarn config set registry https://registry.npm.taobao.org/

5、查看当前镜像
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npm get registry
+ s2 L  ?0 m3 \/ Q0 uyarn config get registry

5 Z3 d; M7 F9 _* l+ r6、把项目下的yarn.lock文件删除

7、重新执行yarn进行安装，速度有很大提升

wellknow

npm安装任何包都报错的解决办法

不知道什么原因，安装nodejs后，用npm安装任何东西都报错：

1. C:\Users\Administrator>npm install express
   
2. npm ERR! Windows_NT 6.1.7601
   
3. npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "express"
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4. npm ERR! node v4.4.4
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5. npm ERR! npm  v2.15.1
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6. npm ERR! code ENOTFOUND
   
7. npm ERR! errno ENOTFOUND
   
8. npm ERR! syscall getaddrinfo
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9. 
   
10. npm ERR! network getaddrinfo ENOTFOUND xn--rvg xn--rvg:80
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11. npm ERR! network This is most likely not a problem with npm itself
    
12. npm ERR! network and is related to network connectivity.
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13. npm ERR! network In most cases you are behind a proxy or have bad network settings.
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14. npm ERR! network
    
15. npm ERR! network If you are behind a proxy, please make sure that the
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16. npm ERR! network 'proxy' config is set properly.  See: 'npm help config'
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17. 
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18. npm ERR! Please include the following file with any support request:
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19. npm ERR!     C:\Users\Administrator\npm-debug.log

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6 C* y2 D1 C4 F7 g  B7 y然后查npm的配置，也是一脸懵逼
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1. 
   
2. C:\Users\Administrator>npm config ls
   
3. ; cli configs
   
4. user-agent = "npm/2.15.1 node/v4.4.4 win32 x64"
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5. 
   
6. ; userconfig C:\Users\Administrator\.npmrc
   
7. disturl = "https://npm.taobao.org/dist"
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8. proxy = "http://xn--rvg/"
   
9. registry = "http://registry.npmjs.org/"
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10. strict-ssl = false
    
11. unsafe-perm = true
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12. 
    
13. ; builtin config undefined
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14. cache = "C:\\Program Files\\nodejs\\node_global"
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15. prefix = "C:\\Program Files\\nodejs\\node_global"
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16. 
    & ?  F+ @% i  i5 Z2 x! B% V+ _
17. ; node bin location = C:\Program Files\nodejs\node.exe
    
18. ; cwd = C:\Users\Administrator
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19. ; HOME = C:\Users\Administrator
    
20. ; 'npm config ls -l' to show all defaults.

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, F! }- n) j- Y# z7 y$ [: e根据网上的教程，换了N种镜像，问题依旧存在
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7 i; A4 M; Z* I) f: O2 x; m然后终于在网上找到个解决办法：

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1. 解决办法：
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2. 
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3. 1、执行：
   
4. 
   
5. npm config get proxy
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6. npm config get https-proxy
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7. 如果返回值不为null，继续执行：
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8. （这一步很重要，一定要保证两个命令的返回值都为null,话说回来，应该出现这个错误这两个返回值有不为null的）
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9. npm config set proxy null
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10. npm config set https-proxy null
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11. 2、执行：
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12. npm config set registry http://registry.cnpmjs.org/

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8 P, e7 t( y- g3 D然后你就可以愉快的安装cnpm了
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1. npm install -g cnpm --registry=https://registry.npm.taobao.org

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然后你就可以更加愉快的用cnpm安任何东西了

wellknow

解决使用yarn安装依赖出现“The engine "node" is incompatible with this module. Expected version "^14.18.0 || ^16.14.0 || >=18.0.0". Got "17.9.0"”的问题
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, |. Z% I+ S3 M) Z7 o. G/ Z1、问题描述

* x+ ~- C0 H5 @+ T7 s# Q/ {某天在使用yarn安装依赖的时候，突然出现如下错误导致安装依赖终止：
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1. The engine "node" is incompatible with this module. Expected version "^14.18.0 || ^16.14.0 || >=18.0.0". Got "17.9.0"

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2、解决办法
) G9 ^; ?" U5 c使用如下命令忽略错误：
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yarn config set ignore-engines true
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然后再使用yarn进行安装即可

wellknow

1. tyarn
   
2. yarn install v1.22.19
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3. [1/4] Resolving packages...
   
4. [2/4] Fetching packages...
   
5. [3/4] Linking dependencies...
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6. warning " > sass-loader@8.0.2" has unmet peer dependency "webpack@^4.36.0 || ^5.0.0".
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7. [4/4] Building fresh packages...
   
8. Done in 19.63s.
   
9. PS D:\jsq\formG\form-generator-dev\form-generator-dev> npm run dev
   
10. 
    
11. > form-generator@0.2.0 dev
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12. > vue-cli-service serve
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13. 
    ! b# \" u% A' \% b( a) E
14. INFO  Starting development server...
    
15. 10% building 4/6 modules 2 active D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\hot\dev-server.jsError: error:0308010C:digital envelope routines::unsupported
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16.     at new Hash (node:internal/crypto/hash:71:19)
    
17.     at Object.createHash (node:crypto:133:10)
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18.     at module.exports (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\util\createHash.js:135:53)
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19.     at NormalModule._initBuildHash (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:417:16)
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20.     at handleParseError (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:471:10)
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21.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:503:5
    
22.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:358:12
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23.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:373:3
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24.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:214:10)
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25.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:221:10)
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26.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:236:3
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27.     at runSyncOrAsync (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:130:11)
    
28.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:232:2)
    
29.     at Array.<anonymous> (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:205:4)
    
30.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
    1 Q* V* S" B  @
31.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:91:9
    
32. Error: error:0308010C:digital envelope routines::unsupported
    
33.     at new Hash (node:internal/crypto/hash:71:19)
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34.     at Object.createHash (node:crypto:133:10)
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35.     at module.exports (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\util\createHash.js:135:53)
    
36.     at NormalModule._initBuildHash (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:417:16)
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37.     at handleParseError (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:471:10)
    
38.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:503:5
    
39.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:358:12
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40.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:373:3
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41.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:214:10)
    
42.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:221:10)
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43.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:236:3
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44.     at runSyncOrAsync (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:130:11)
    7 C7 Z  m% D! s& G5 [0 {
45.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:232:2)
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46.     at Array.<anonymous> (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:205:4)
    
47.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
    3 ^5 x/ ]5 b0 K4 E+ ^
48.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:91:9
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49. node:internal/crypto/hash:71
    
50.   this[kHandle] = new _Hash(algorithm, xofLen);
    
51.                   ^
    
52. 
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53. Error: error:0308010C:digital envelope routines::unsupported
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54.     at new Hash (node:internal/crypto/hash:71:19)
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55.     at Object.createHash (node:crypto:133:10)
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56.     at module.exports (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\util\createHash.js:135:53)
    
57.     at NormalModule._initBuildHash (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:417:16)
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58.     at handleParseError (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:471:10)
    
59.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:503:5
    
60.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:358:12
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61.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:373:3
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62.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:214:10)
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63.     at Array.<anonymous> (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:205:4)
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64.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
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65.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:91:9
    
66.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\graceful-fs\graceful-fs.js:123:16
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67.     at FSReqCallback.readFileAfterClose [as oncomplete] (node:internal/fs/read_file_context:68:3) {
    
68.   opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ],
    
69.   library: 'digital envelope routines',
    
70.   reason: 'unsupported',
    7 Y" A. h. R3 v7 @
71.   code: 'ERR_OSSL_EVP_UNSUPPORTED'
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72. }
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73. 
    % n8 s# I& I8 o% j  |( X
74. Node.js v18.16.0
    
75. NativeCommandExitException: Program "npm.cmd" ended with non-zero exit code: 1.

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