Swift 5 讀取 json 檔案及解析

    //CheckList.json
    {
      "CheckList": [
      {
        "CheckItem": "施工計畫書之安全衛生管理計畫",
        "Major": 1,
        "CheckContent": [
        {
            "Major": 1,
            "Minor": 1,
            "CheckItem": "安全衛生管理計畫各項安全檢查"
        },
        {
          "Major": 1,
          "Minor": 2,
          "CheckItem": "工地潛在危險狀況分析及採取相對應之防範措施"
        }
        ]
      }
      ]
    }

    
    //========================================================================================================
    //讀取 Json 資料
    func readJson()
    {
        if let path = Bundle.main.path(forResource: "JsonFile/CheckList", ofType: "json") {
            do {
                
                let data = try Data(contentsOf: URL(fileURLWithPath: path), options: .alwaysMapped)
                
                if let myJSON = try JSONSerialization.jsonObject(with: data, options: []) as? [String : Any] {
                    
                    //檢查項目
                    if let data = myJSON["CheckList"] as? [[String: Any]] {
                        for jsonDict in data {
                            var CheckItem = jsonDict["CheckItem"] as? String
                            print("CheckItem:" + CheckItem!)
                            
                            var Major = jsonDict["Major"] as? Int
                            print("Major:" + String(Major!))
                           
                            //檢查內容
                            if let CheckContent = jsonDict["CheckContent"] as? [[String: Any]] {
                                for CheckContentDict in CheckContent {
                                    var CheckItem = CheckContentDict["CheckItem"] as? String
                                    print("CheckItem:" + CheckItem!)

                                    var Major = CheckContentDict["Major"] as? Int
                                    print("Major:" + String(Major!))

                                    var Minor = CheckContentDict["Minor"] as? Int
                                    print("Minor:" + String(Minor!))

                                }
                             }
                        }
                    }
                }
                
            } catch let error {
                print("parse error: \(error.localizedDescription)")
            }
        } else {
            print("Invalid filename/path.")
        }
    }