1-1 Introduction to CI

1-2 CI installation and configuration

2-1 CI directory structure and multi-module organization form

2-2 Simple database operations (CRUD) for CI

3-1 URL in CI

3-2 Controllers in CI

3-3 Reserved words in CI

3-4 Views in CI

3-5 Model in CI

3-6 Helper auxiliary development function in CI

3-7 The use of Librart in CI

4-1 Create system core classes

4-2 Create subsidiary classes

5-1 CI hook

5-2 Autoloading in CI

5-3 Common methods in CI

5-4 CI routing

6-1 Error handling and log output in CI

6-2 Output caching in CI

6-3 Program analysis in CI

6-4 CLI application

7-1 Database configuration and connection

7-2 Simple database query operation

8-1 QueryBuilder

8-2 affairs

8-3 Metadata

8-4 Call database-specific functions and stored procedures

8-5 Query cache

8-6 Database maintenance and database tools

8-7 Benchmark

8-8 Cache

8-9 Calendar

8-10 Cart shopping cart class

8-11 Config class

8-12 Input

8-13 UnitTest

8-14 helper and summary