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                            # 99 context\_processor鉤子函數詳解

context\_processor:上下處理器。返回的字典中的鍵可以在模板上下文中使用

```text
@app.context_processor
def context_processor():
    # return {"current_user":"angle"}
    if hasattr(g,'user'):
        return {'current_user':'angle'}
    else:
        return {"current_user":None}

{{current_user}}
```


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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