我想存儲圖像，名稱，價格在一個陣列中，如果我對價格值進行排序，那麼名稱和圖像必須妥善安排

Question

我將這三個數據存儲爲一個，如果用戶喜歡按照價格那麼，一切都應該是有序的。請幫我展示一下。

imgArr =[[NSArray alloc]init]; 
    nameArr=[[NSArray alloc]init]; 
    priceArr=[[NSArray alloc]init]; 

我用這樣的Json腳本。

{ 
     image = ""; 
     name = Blue; 
     "option_value_id" = 40; 
     price = 3; 
     "price_prefix" = "+"; 
     "product_option_value_id" = 3; 
     quantity = 300; 
     subtract = 0; 
     weight = 3; 
     "weight_prefix" = "+"; 
    }, 
     { 
     image = ""; 
     name = Green; 
     "option_value_id" = 41; 
     price = 1; 
     "price_prefix" = "+"; 
     "product_option_value_id" = 1; 
     quantity = 100; 
     subtract = 0; 
     weight = 1; 
     "weight_prefix" = "+"; 
    }, 
     { 
     image = ""; 
     name = Yellow; 
     "option_value_id" = 42; 
     price = 2; 
     "price_prefix" = "+"; 
     "product_option_value_id" = 2; 
     quantity = 200; 
     subtract = 1; 
     weight = 2; 
     "weight_prefix" = "+"; 
    } 

Answer 1

存儲所有這些字典在一個陣列和排序這個數組任何現場

-(NSArray *)sortArrayByPrice:(NSArray *)originalArray{ 
    NSSortDescriptor *sortByPrice = [NSSortDescriptor sortDescriptorWithKey:@"price" ascending:YES]; 
    NSArray *sortDescriptors = [NSArray arrayWithObject:sortByPrice]; 
    NSArray *sortedArray = [originalArray sortedArrayUsingDescriptors:sortDescriptors]; 
    return sortedArray; 
}