var cart_list=[
{
"single_amount": 0,
"adult_amount": "1",
"child_amount": "1",
"baby_amount": 0,
"check_in_date": "",
"check_out_date": "",
"user_id": "2",
"sale_id": "43",
"sku_sale_id": "96",
"sku_format_val": "门票+不含导游+不含接送",
"go_time": "2016-12-31",
"id": 7160,
"payment": "110.00",
"product_name": "【当日可订】清迈夜间动物园门票套餐",
"category_id": "29",
"category_code": "MP",
"product_status": "1",
"image": "../static/api/center/images/collect1.jpg",
"sku_status": 1,
"is_timeout": 1,
"stock_status": 1,
"adult_price": "68.00",
"child_price": "42.00"
},
{
"single_amount": 0,
"adult_amount": "3",
"child_amount": "2",
"baby_amount": 0,
"check_in_date": "",
"check_out_date": "",
"user_id": "2",
"sale_id": "43",
"sku_sale_id": "95",
"sku_format_val": "门票+含导游+含接送",
"go_time": "2016-12-30",
"id": 7159,
"payment": "573.00",
"product_name": "【当日可订】清迈夜间动物园门票套餐",
"category_id": "29",
"category_code": "MP",
"product_status": "1",
"image": "../static/api/center/images/collect2.jpg",
"sku_status": 1,
"is_timeout": 1,
"stock_status": 1,
"adult_price": "127.00",
"child_price": "96.00"
},
{
"single_amount": 0,
"adult_amount": "1",
"child_amount": "0",
"baby_amount": 0,
"check_in_date": "",
"check_out_date": "",
"user_id": "2",
"sale_id": "43",
"sku_sale_id": "96",
"sku_format_val": "门票+不含导游+不含接送",
"go_time": "2016-12-28",
"id": 7158,
"payment": "68.00",
"product_name": "【当日可订】清迈夜间动物园门票套餐",
"category_id": "29",
"category_code": "MP",
"product_status": "1",
"image": "../static/api/center/images/collect3.jpg",
"sku_status": 1,
"is_timeout": 1,
"stock_status": 1,
"adult_price": "68.00",
"child_price": "42.00"
}
]
cart_list.map(x=>x.id).indexOf(7158)// 2,如果找不到返回-1
cart_list.findIndex(x=>x.id==7159)// 1,如果找不到返回-1