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易贝（eBay）是一个在线拍卖和购物网站，提供了一个API（应用程序接口）供开发者获取商品详情等信息。使用eBay的API，你可以编写应用程序来查询商品、检索拍卖详情、跟踪订单等。
当你调用eBay的API获取商品详情时，通常会返回一个JSON或XML格式的响应，这个响应包含了商品的详细信息。以下是一个简化的JSON格式的eBay商品详情API返回值示例及说明：
{
"ack": "Success",
"version": "1.13.0",
"timestamp": "2023-04-25T12:34:56.789Z",
"build": "E1234567",
"Item": {
"ItemID": "123456789012",
"Title": "Brand New Laptop",
"PrimaryCategory": {
"CategoryID": "12345",
"CategoryName": "Laptops & Netbooks"
},
"StartPrice": {
"currencyID": "USD",
"__value__": "999.99"
},
"CurrentPrice": {
"currencyID": "USD",
"__value__": "999.99"
},
"HighBidder": {
"UserID": "bidder123",
"UserName": "HighBidderUser"
},
"QuantitySold": "10",
"ListingInfo": {
"ListingDuration": "GTC",
"ListingType": "FixedPriceItem",
"BestOfferEnabled": "false"
},
"PaymentMethods": "PayPal",
"ShippingInfo": {
"ShippingServiceCost": {
"currencyID": "USD",
"__value__": "0.00"
},
"ShipToLocations": "US",
"ExpeditedShipping": "false"
},
"PictureURL": "none",
"ViewItemURLForNaturalSearch": "none",
"Description": "This is a brand new laptop computer...",
"Seller": {
"UserID": "seller123",
"UserName": "SellerUser"
}
// 其他可能存在的字段，如Location, HandlingTime, ShippingIncludesInsurance等
}
}
返回值说明：
ack: API调用的响应状态，通常是"Success"表示成功，"Failure"表示失败。version: API的版本号。timestamp: 请求处理的时间戳。build: eBay系统的构建版本号。Item: 商品信息对象。ItemID: 商品的唯一ID。Title: 商品标题。PrimaryCategory: 商品的主要分类信息。CategoryID: 分类ID。CategoryName: 分类名称。
StartPrice: 商品的起始价格。currencyID: 货币类型，如USD。__value__: 价格值。
CurrentPrice: 商品的当前价格（对于固定价格商品或当前竞拍价格）。HighBidder: 当前最高出价者的信息。UserID: 出价者ID。UserName: 出价者用户名。
QuantitySold: 已售出的商品数量。ListingInfo: 列表信息。ListingDuration: 列表持续时间，如GTC（Good Until Canceled，直到取消为止）。ListingType: 列表类型，如FixedPriceItem（固定价格商品）。BestOfferEnabled: 是否启用“最佳报价”功能。
PaymentMethods: 支付方式，如PayPal。ShippingInfo: 运输信息。ShippingServiceCost: 运输服务费用。ShipToLocations: 可发货地点。ExpeditedShipping: 是否提供加急运输。
PictureURL: 商品的图片URL。ViewItemURLForNaturalSearch: 商品的自然搜索URL。Description: 商品的描述。Seller: 卖家信息。UserID: 卖家ID。UserName: 卖家用户名。
请注意，实际的API返回值可能会比这个示例更加复杂，是的，我之前的示例只是一个简化的、概念性的返回值结构。在实际使用中，EBAY商品详情API的返回值可能会包含更多的字段和嵌套结构，具体取决于你请求的商品和API的版本。
以下是一些可能存在的额外字段和结构的例子：
```json
{
"ack": "Success",
"version": "1.0",
"timestamp": "2023-04-01T12:34:56.789Z",
"build": "E123456",
"Item": {
"ItemID": "123456789012",
"Title": "Brand New Laptop",
"PrimaryCategory": {
"CategoryID": "1234",
"CategoryName": "Laptops & Netbooks"
},
"SecondaryCategory": [
{
"CategoryID": "5678",
"CategoryName": "Apple Laptops"
},
{
"CategoryID": "9012",
"CategoryName": "Business Laptops"
}
],
"StartPrice": {
"currencyID": "USD",
"value": "999.99"
},
"CurrentPrice": {
"currencyID": "USD",
"value": "999.99"
},
"HighBidder": {
"UserID": "bidder123",
"UserName": "HighBidderUser"
},
"QuantitySold": "10",
"ReservePrice": {
"currencyID": "USD",
"value": "0.00"
},
"BidCount": "20",
"SellingStatus": {
"CurrentPrice": {
"currencyID": "USD",
"value": "999.99"
},
"ConvertedCurrentPrice": {
"currencyID": "USD",
"value": "999.99"
},
"TimeLeft": "P3DT6H23M59S"
},
"ListingInfo": {
"ListingDuration": "GTC",
"ListingType": "FixedPriceItem",
"StartTime": "2023-04-01T00:00:00.000Z",
"EndTime": "2023-05-01T00:00:00.000Z",
"QuantityAvailable": "5",
"BestOfferEnabled": "false",
"BuyItNowAvailable": "true",
"ConversionType": "FixedPrice"
},
"PaymentMethods": "PayPal, CreditCard",
"PaymentInfo": {
"PayPalAccepted": "true",
"PayPalEmail": "seller@example.com"
},
"ShippingInfo": {
"ShippingServiceCost": {
"currencyID": "USD",
"value": "10.00"
},
"ShipToLocations": "US, CA",
"ExpeditedShipping": "true",
"OneDayShippingAvailable": "false",
"HandlingTime": "1"
},
"Location": "United States",
"PictureURL": "https://example.com/item-picture.jpg",
"GalleryURL": "https://example.com/gallery-picture.jpg",
"ViewItemURLForNaturalSearch": "https://www.ebay.com/itm/Brand-New-Laptop/123456789012",
"Description": "This is a brand new laptop computer...",
"Seller": {
"UserID": "seller123",
"UserName": "SellerUser",
"FeedbackScore": "98.5",
"PositiveFeedbackPercent": "99"
},
"ReturnsAccepted": "true",
"ConditionID": "1000",
"ConditionDisplayName": "Brand New",
"IsMultiVariationListing": "false",
"Variations": [
// 如果商品有多个变体，这里会列出每个变体的信息
],
"SKU": "LAPTOP-001",
"MPN": "LNX-MNXB2",
"Brand":
