README

语言

en-us / zh-tw

安装

composer require fishingboy/codeigniter-migration

使用方法

1. 创建文件： application/controller/Migration.php

   <?php
   use fishingboy\ci_migration\CI_Migration_Controller;
   class Migration extends CI_Migration_Controller {
   }

2. 创建文件： application/libraries/Migration.php

   <?php
   use fishingboy\ci_migration\CI_Migration_Library;
   class CI_Migration extends CI_Migration_Library {
   }   

3. 修改文件： application/config/Migration.php

   $config['migration_enabled'] = true;

4. 创建文件夹： application/migrations

5. 创建迁移文件： application/migrations/20001010101000_create_sample_tables.php

   <?php defined('BASEPATH') OR exit('No direct script access allowed');
   
   class Migration_Create_sample_tables extends CI_Migration
   {
       public function up()
       {
           $sql = "CREATE TABLE `users` ( 
                     `id` INT NOT NULL AUTO_INCREMENT , 
                     `name` VARCHAR(20) COMMENT 'name', 
                     `created_at` DATETIME NOT NULL , 
                     `updated_at` DATETIME NOT NULL , 
                     PRIMARY KEY (`id`)
                 ) COMMENT = 'user';";
           $this->db->query($sql);
       }
   
       public function down()
       {
           $sql = "DROP TABLE `users`";
           $this->db->query($sql);
       }
   }    

6. 迁移帮助： php index.php migration

   $ php index.php migration
   
     migration
     
     php index.php migration          -- help 
     php index.php migration migrate  -- execute migrations
     php index.php migration rollback -- rollback to prev migration
     php index.php migration ls       -- check migrations list 
   

7. 迁移列表

   $ php index.php migration ls
   
         Version         Status  File
    ---  --------------  ------  ------------------------------------
      1. 20190815002100    --    application/migrations/20190815002100_create_logs_tables.php 
    ---  --------------  ------  ------------------------------------
         0 Migration not execute.
   

8. 执行迁移

   $ php index.php migration migrate
   Migration Run : Migration_Create_sample_tables::up() ............. OK !

9. 执行迁移回滚

   $ php index.php migration rollback
   Migration Run : Migration_Create_sample_tables::down() ............. OK !