fetchOrder.swift

// 抓取訂單資料
func fetchData() {
        let urlStr = "https://sheetdb.io/api/v1/ocn6qrzzdg1mn"
        let url = URL(string: urlStr)
        var request = URLRequest(url: url!)
        request.httpMethod = "GET"
        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
        URLSession.shared.dataTask(with: request) { (data, response, error) in
            if let data = data {
                let decoder = JSONDecoder()
                do {
                    let targetResponse = try decoder.decode([[String:String]].self, from: data)
                    self.targetList = targetResponse
                    DispatchQueue.main.async {
                        self.tableView.reloadData()
                        self.totalCountLabel.text = "共計\(self.targetList.count)杯"
                        self.totalPriceLabel.text = "$\(self.computeTotal())"
                    }
                } catch {
                    print(error)
                }
            }
        }.resume()
    }