php+mysql realizes login, registration and password modification web page

This article mainly introduces php mysql to implement simple login, registration and password modification system in detail. It has certain reference value. Interested friends can refer to

for the connection between php and mysql. There are instructions on many blogs. In order to master the query, modification, insertion and other operations in mysql, this article introduces how to use mysql to create a web page for logging in, registering and changing passwords.

Among them, the following are as follows

1. Login-is to query the content in the database and verify whether the information in the html matches the database Match;
2. Registration-means inserting the content in the database, registering the account and password;
3. Modifying the password-means inserting the content in the database The content is modified.

For these three operations, I used 8 php and html texts to create the details. See the code part
1. The main login interface index.html:

 
       
  
 用户名
 密码
   
   
      

      
2. Login background operation enter.php:
      

      
     
          
      

      
3. Welcome after successful login Interface welcome.php:

      

      
     
   欢迎登录
 您的ip： 
 您的语言：  
 浏览器版本：  退出登录    
 修改密码  
      

      
4. The main interface for changing the password alter_password.html:

      

      
      
   
 用户名
 旧密码
 新密码
 确认新密码
  
    
      

      
5. Background operation of changing password alter_password.php:

      

      
     
         
      

      
6. Main interface for registering an account register.html:
      

      
      
  
 用户名
 密码
 确认密码
  
   
      

      
7. Background operation of registering an account register.php:
      

      
     
       
      

      
8. Exit.php operation when logging in illegally:

      

      
    
     
      

      
9.mysql database construction part
      

      

      
#The above is the entire content of this article, I hope it will be helpful to everyone's study.
      


      
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