如何在使用 json 响应时从包含在对象中的数组和已经在数组中的对象中获取值？

Question

[
{
  "result": 1,
  "max_qty": "10",
  "msg": [
    {
      "product_id": "39",
      "product_name": "Cabbage",
      "product_price": "18",
      "product_image": "product/39.jpg",
      "product_description": "Fresh Cabbage",
      "product_category": "1",
      "product_qty": [
        {
          "quantity_id": "3",
          "quantity_name": "500 gm",
          "value": "500",
          "quantity_status": "1"
        },
        {
          "quantity_id": "4",
          "quantity_name": "1 Kg",
          "value": "1000",
          "quantity_status": "1"
        }

在这个 "msg" 中，它是一个数组，包含对象形式的值，但 "product_qty" 又是一个对象下的数组，现在我如何获取 [=17 的元素值=]]1

Answer 1

您需要像这样获取键值：

NSDictionary *dictProducts =  array[0]; // From Main Array.
NSArray *allProduct = dictProducts[@"msg"]; // Form Dictionary.
NSDictionary *firstProduct = allProduct[0];
NSLog(@"Product Qty : %@", firstProduct[@"product_qty"]); // Here you can get product_qty array.

希望这会有所帮助。

Answer 2

Updated Code:

NSDictionary *mainDic = [arrResponse objectAtIndex:0];

NSArray *arrMsg = [mainDic valueForKey:@"msg"];

for (NSDictionary *dicSub in arrMsg) {

NSArray *arrProdQuality = [dicSub valueForKey:@"product_qty"];

for (NSDictionary *dicQuality in arrProdQuality) {

NSLog(@"quantity_name %@",[dicQuality valueForKey:@"quantity_name"]);

}
}

Answer 3

刚用过这个 if([数组包含对象字典]) { already in your array } 别的 { not in your array }

如何在使用 json 响应时从包含在对象中的数组和已经在数组中的对象中获取值？

how to gat a value from an array which contain in an object and object already in an array while using json response?

iphone

objective-c

ios6