问题
We are using google recaptcha in one of our projects. To get the private and public key for captcha we just used the url as http://localhost:4345/. Can the same private and public key be used in live site also.
回答1:
Yes that's perfectly ok to use the same key pair for both local testing and server deployment (as long as you keep your private key a secret). On the other hand, if you did not select the "global key" option, the keys are unique to your domain and sub-domains (event though all keys will again work on localhost without any problem).
回答2:
When you generate a key for the recaptcha, if you check the checkbox to generate it globally, it will work. See in the image
来源：https://stackoverflow.com/questions/5839625/google-recaptcha-public-and-private-key