Front-end project running times
vue-cli-service is not recognized as an internal or external command, nor is it an operable program. Required when error occurs
Step 1: Check if there is one in package.json. If vue-cli-servernot, you need to install it.
Step 2: Execute npm installthe command
Step 3: Execute npm run servethe command to check whether the program is running normally
Step 4: If there is still an exception, check whether there is a node modules file. You can modify the file name of the node modules (you can also delete the node modules directly here); reinstall the node modules;
if not, install vue-cli-service separately;npm install vue-cli-service -S