Code for adding, deleting, modifying, and querying databases in thinkphp3.2.3 and adding, deleting, and deleting databases in thinkphp3.2.3

Code for adding, deleting, modifying, and querying databases in thinkphp3.2.3 and adding, deleting, and deleting databases in thinkphp3.2.3

Framework thinkphp

Version: 3.2.3

Content: Database Operations

1. Search for one piece of data from multiple tables

M ('A')-> join ("Table B on Table B. id = Table a. id")-> where ('condition')-> find ();

2. Search for a piece of data

M ('a table')-> where ('condition')-> find ();

3. query all data in multiple tables

M ('a table')-> join ("Table B on Table B. id = Table a. id")-> where ('condition')-> select ();

4. query all data

M ('a table')-> where ('condition')-> select ();

5. Add a piece of data

M ('a table')-> add ($ data );

6. delete a piece of data

M ('a table')-> where ('condition')-> delete ($ data );

7. modify a data record

M ('a table')-> where ('Id = 5')-> save ();

The above is all the content of the thinkphp3.2.3 version of the database added, deleted, modified, and queried for everyone. I hope it will help you a lot ~