解决npm install 安装慢！！！

wellknow

安装慢的原因
: M. e8 I5 I7 n, ^. Y$ V7 s& B7 Anpm install 默认使用的安装镜像是国外的镜像，😒😒
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
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解决方式
- b7 Y$ z- I( x1 E, I2 ^3 B方式一：更换npm的安装镜像源为国内的即可改变
方式二：更换网络（一般不会这么做）

# B& ?1 v  f. ]【更换npm源】：
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npm config set registry https://registry.npm.taobao.org

如果没有报错就是已经切换成功，然后我们再次执行 npm install
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

最后 我们可以查看一下
执行命令：

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npm config get registry

wellknow

yarn安装依赖速度太慢的解决办法

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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2、编辑.yarnc文件，添加如下内容
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registry "https://registry.npm.taobao.org"
chromedriver_cdnurl "https://cdn.npm.taobao.org/dist/chromedriver"
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, b9 [" r6 E: J, ]9 `( rlastUpdateCheck 1664005622411
phantomjs_cdnurl "http://cnpmjs.org/downloads"
4 F$ A1 k! h( |  y, K2 Y7 eprofiler_binary_host_mirror "https://npm.taobao.org/mirrors/node-inspector/"
sass_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

) u9 u1 y/ `. c' b6 r4、设置为淘宝镜像
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npm config set registry https://registry.npm.taobao.org/
( @; d1 ]- C) ~: G8 I4 |& x3 J' D. t. oyarn config set registry https://registry.npm.taobao.org/

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+ q% s1 e  v# T- r! U+ q% Y3 K5、查看当前镜像
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npm get registry
9 W+ V/ z3 i$ X: `7 syarn config get registry

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3 L. U( J, Y$ g! M6、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
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不知道什么原因，安装nodejs后，用npm安装任何东西都报错：
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1. C:\Users\Administrator>npm install express
   
2. npm ERR! Windows_NT 6.1.7601
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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
   
6. npm ERR! code ENOTFOUND
   
7. npm ERR! errno ENOTFOUND
   
8. npm ERR! syscall getaddrinfo
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9. 
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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
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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:
    
19. npm ERR!     C:\Users\Administrator\npm-debug.log

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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
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3. ; cli configs
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4. user-agent = "npm/2.15.1 node/v4.4.4 win32 x64"
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5. 
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6. ; userconfig C:\Users\Administrator\.npmrc
   
7. disturl = "https://npm.taobao.org/dist"
   
8. proxy = "http://xn--rvg/"
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9. registry = "http://registry.npmjs.org/"
   
10. strict-ssl = false
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11. unsafe-perm = true
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12. 
    
13. ; builtin config undefined
    
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. 
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17. ; node bin location = C:\Program Files\nodejs\node.exe
    
18. ; cwd = C:\Users\Administrator
    
19. ; HOME = C:\Users\Administrator
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20. ; 'npm config ls -l' to show all defaults.

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根据网上的教程，换了N种镜像，问题依旧存在

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1. 解决办法：
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2. 
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3. 1、执行：
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4. 
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5. npm config get proxy
   
6. npm config get https-proxy
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7. 如果返回值不为null，继续执行：
   
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）
   
9. npm config set proxy null
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10. npm config set https-proxy null
    
11. 2、执行：
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12. npm config set registry http://registry.cnpmjs.org/

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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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. r7 T2 K! q$ p. J5 }% t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

1、问题描述

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
  Q+ U1 b( e/ ?7 Q/ I' S8 s使用如下命令忽略错误：

: `( X. J- B. v& P/ c% ayarn config set ignore-engines true
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+ y1 [9 }; l8 ^0 H然后再使用yarn进行安装即可

wellknow

1. tyarn
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2. yarn install v1.22.19
   
3. [1/4] Resolving packages...
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4. [2/4] Fetching packages...
   
5. [3/4] Linking dependencies...
   
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...
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8. Done in 19.63s.
   
9. PS D:\jsq\formG\form-generator-dev\form-generator-dev> npm run dev
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10. 
    
11. > form-generator@0.2.0 dev
    
12. > vue-cli-service serve
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13. 
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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)
    
19.     at NormalModule._initBuildHash (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:417:16)
    
20.     at handleParseError (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:471:10)
    
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
    
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)
    
26.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:236:3
    
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)
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29.     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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30.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
    
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)
    
37.     at handleParseError (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:471:10)
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38.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:503:5
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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
    
41.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:214:10)
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42.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:221:10)
    
43.     at D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:236:3
    
44.     at runSyncOrAsync (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:130:11)
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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)
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47.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
    
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. 
    
53. Error: error:0308010C:digital envelope routines::unsupported
    
54.     at new Hash (node:internal/crypto/hash:71:19)
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55.     at Object.createHash (node:crypto:133:10)
    
56.     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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57.     at NormalModule._initBuildHash (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\webpack\lib\NormalModule.js:417:16)
    
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
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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
    
62.     at iterateNormalLoaders (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:214:10)
    
63.     at Array.<anonymous> (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\loader-runner\lib\LoaderRunner.js:205:4)
    
64.     at Storage.finished (D:\jsq\formG\form-generator-dev\form-generator-dev\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:55:16)
    
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
    
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',
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70.   reason: 'unsupported',
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71.   code: 'ERR_OSSL_EVP_UNSUPPORTED'
    
72. }
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73. 
    
74. Node.js v18.16.0
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75. NativeCommandExitException: Program "npm.cmd" ended with non-zero exit code: 1.

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