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                            # 95 Local線程隔離對象

在'Flask'中，類似于'request'的對象，其實是綁定到了一個'werkzeug.local.Local'對象上。這樣即使是同一個對象，那么在多個線程中都是隔離的，類似的對象還有'session'以及'g'對象

Thread Local:只要綁定在Local對象上的屬性，在每個線程中都是獨立隔離的

實例代碼:

```text
from threading import Thread
from werkzeug.local import Local

local = Local()

local.request = '123'

class MyThread(Thread):
    def run(self):
        local.request = 'abc'
        print('子線程',local.request)

mythread = MyThread()
mythread.start()
mythread.join()

print("主線程",local.request)

“”“
子線程 abc
主線程 123
“”“
```


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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