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                            # 子組件向父組件傳遞

因為組件之間都是獨立的。有時希望子組件綁定功能來影響父組件的數據發生改變

## props是不可以被修改的

我們書寫單擊按鈕讓p標簽隱藏的效果，發現無效，而且還報錯。提示也是同樣的，不可以對屬性進行更新。因為數據是單向數據流，下一章會介紹單向數據流，來解決如何修改父組件的數據。

:-: :-:
![](https://img.kancloud.cn/d3/02/d302525177422acf5b3de08dcd679a37_1259x736.png)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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