How to make verification code in webpage and send it to mobile phone?

1. First of all, when registering a website, you need to enter the mobile phone webpage code and write it well. After the customer enters the mobile phone, he will get the verification code. Here, the verification code will be randomly generated and submitted to the operator's server through sms channel. The operator will send the verification code to the customer's mobile phone, and the customer will input it into the website. If they are consistent, they will pass the registration. These are the interfaces that need to be done on this side of the website.

2, the website is generally easy to solve, the most important verification code should be sent to the mobile phone, to be sent through SMS channels. In general, regular SMS service providers in the industry require to know the demand, negotiate, sign a contract, submit materials, application channels, sign (operators are forced to sign to avoid spam messages), connect technology, provide website interface parameter links, test use, normal use and after-sales service.