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alloc init鍜宯ew鍒板簳鏈変粈涔堝尯鍒紵

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涓句釜鏍楀瓙馃尠锛?/p>

• 濡傛灉浣犵敤new锛?/p>

  objective澶嶅埗
  NSString *str = [NSString new];  

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• 濡傛灉鐢?code>alloc init锛?/p>

  objective澶嶅埗
  NSString *str = [[NSString alloc] init];  

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姣斿涓嬮潰杩欎釜鍦烘櫙锛?/p>

objective澶嶅埗
// 鐢╪ew鍒涘缓瀵硅薄  
MyClass *obj1 = [MyClass new];  

// 鐢╝lloc init鍒涘缓瀵硅薄  
MyClass *obj2 = [[MyClass alloc] initWithName:@"寮犱笁"];  

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鑷棶鑷瓟锛氭牳蹇冮棶棰?/h3>

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鈥?strong>鈥婹锛歋wift閲屾€庝箞鍒涘缓瀵硅薄锛熲€?/strong>鈥?br/> A锛歋wift鏇寸畝鍗曪紝鐩存帴MyClass()灏辫銆備絾搴曞眰鍏跺疄杩樻槸璋冪敤浜?code>alloc init锛屽彧涓嶈繃璇硶绯栧府浣犲皝瑁呭ソ浜嗐€?/p>

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瀹炴垬瀵规瘮琛ㄦ牸

灏忕紪瑙傜偣

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锛堝畬锛?/p>