problem description
the environmental background of the problems and what methods you have tried
related codes
/ / Please paste the code text below (do not replace the code with pictures)
/ / Please paste the code text below (do not replace the code with pictures)
only variables that begin with VUE_APP_ are statically embedded in the client side package by webpack.DefinePlugin, for example, you want to write this as VUE_APP_API_BASE_URL = test123
you can override the default mode for the command line by passing the -- mode option parameter. For example, if you want to use development environment variables in build commands, add:
package.json script
"dev-build": "vue-cli-service build --mode development",so you can get the variable
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