Visual Studio web page implementation button to obtain mobile phone verification code operation method

How to add mobile phone verification code function to the button in Visual Studio web page? PHP editor Strawberry will introduce to you today how to add a mobile phone verification code function to the button in the Visual Studio web page. CAPTCHA is a security measure that prevents malware and spam attacks by sending a unique code to the user's phone. With the detailed steps below, you can easily implement this important feature for your web pages.

1. Create an input text box for a mobile phone number, and use a div tag to insert the formatting of the text box for inputting the mobile phone number.

2. Insert the mobile phone number input text box into the web page.

3. Use div tags in the web page to set the format and layout of the button to send the mobile phone verification code.

4. Use the type attribute to set the type to button, that is, the type is button.

5. Set the button value to Send Mobile Verification Code, that is, the name displayed on the button is Send Mobile Verification Code.

6. Set the action performed after pressing the button to the sendyanzm() function, and use this function to send the verification code to the mobile phone.

7. Set the font size of the text displayed on the button to size 20, and set it in style.

8. The single-line height of the button is set to 33 pixels.

9. Finally, use the font attribute to set the font, and the identifier is yanzm.

10. Run the program and successfully insert the Send Mobile Verification Code button into the web page. After entering the mobile phone number, click the Send Mobile Verification Code button to send the verification code to the mobile phone. .

The above is the detailed content of Visual Studio web page implementation button to obtain mobile phone verification code operation method. For more information, please follow other related articles on the PHP Chinese website!