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                            ## Mybatis專題零：簡介
[TOC]
### 傳統JDBC編程
- 注冊驅動
- 打開連接Connection
- 使用Connection創建語句Statement
- 執行數據庫操作，如查詢query
- 斷開連接Connection
### ORM模型
**ORM（Object Relational Mapping）**：對象關系映射，用于POJO對象（Plain Ordinary Java Object）和關系型數據庫的表之間的映射

Mybatis就是一種ORM模型的框架，對JDBC進行了封裝，使用Mapper映射文件表示ORM映射關系，需要在Mapper映射文件中定義簡單和復雜的SQL語句，具有高度的靈活性
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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