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                            ## 1、實例化對象的含義
* 定義類是為了生產對象，如果不生產對象，類就沒有意義。
* 一個類可以產生千千萬萬個對象，對象幫我們干活。
* 對象實例化：從一個類上來生產對象過程，就是類的實例化。
## 2、語法格式
* 使用new關鍵字來創建對象。
* JS創建對象的方法：var today = new Date()
* PHP創建對象的方法：$obj = new Student()
## 3、舉例說明
![](https://img.kancloud.cn/cb/39/cb39ee1512e93359ebfaf04e9cd99727_793x377.png)
![](https://img.kancloud.cn/4b/3c/4b3cb24eb4ac4649961472af63c5b45f_805x398.png)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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