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The certificate verification of your npm source failed.
Possible reasons:
The npm source you are using does not support the default https protocol, or there is a problem with the https certificate.
The certificate store of your system has expired.
If you are using foreign sources, you will know about network problems.
Solution:
Replace npm source, you can choose domestic source
Use windows update to install win7 system patch (only for reason 2)
(you know)
Executenpm config set strict-ssl false Skip npm’s certificate detection
npm config set strict-ssl false
--Does global have this parameter? Shouldn't it be -g? Install globally
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The certificate verification of your npm source failed.
Possible reasons:
The npm source you are using does not support the default https protocol, or there is a problem with the https certificate.
The certificate store of your system has expired.
If you are using foreign sources, you will know about network problems.
Solution:
Replace npm source, you can choose domestic source
Use windows update to install win7 system patch (only for reason 2)
(you know)
Execute
npm config set strict-ssl falseSkip npm’s certificate detection--Does global have this parameter? Shouldn't it be -g? Install globally