Registration function (2)

The front-end page of the registration page has been completed. Let’s talk about the background program code.

First of all, we need to know that the registration function is actually the process of adding data to the database. To add data to the database, you must first connect to the database. There is no doubt about this. Then, you must obtain the registration information passed from the front-end page in the background. We only have user name and password here. You can add them as needed in actual projects in the future. Database fields. After obtaining the value passed by the form, use the SQL statement to write an add statement to add the obtained value to the database. In this way, our entire registration process is almost complete. Let's take a closer look at the code.

Step 1: Connect to the database

       
Step 2: Get the value passed by the form
       

       
Let me tell you here that the registration function does not allow direct submission without filling in the value Yes, it cannot be empty and must be filled, so
       
Step 3: Verify that the information is complete and write the insertion statement:
       

"; echo"返回"; } else { echo"注册成功!"."

"; echo"立刻登录"; } }
       
The above are the steps to register the function.