C#:Json數據反序列化為Dictionary並根據關鍵字獲取指定的值


Json數據:

{
  "dataSet": {
    "header": {
      "returnCode": "0", 
      "errorInfo": "HTTP請求錯誤", 
      "version": "V1.0R010", 
      "totalRows": "2000", 
      "returnRows": "20"
    }, 
    "fieldDefine": {
      "assetId": "string", 
      "serverIdcId": "int", 
      "inputTime": "datetime"
    }, 
    "data": {
      "row": [
        {
          "AssetId": "TCNS2006888", 
          "ServerIdcId": "1", 
          "InputTime": "2008-12-12"
        }, 
        {
          "AssetId": "TCNS2006889", 
          "ServerIdcId": "2", 
          "InputTime": "2008-1-1"
        }
      ]
    }
  }
}

問題:如何獲取header中的數據行,以便顯示在界面上?                                            

效果圖:                                            

 

將json數據轉成dictionary的代碼:                               

/// <summary>
/// 將json數據反序列化為Dictionary
/// </summary>
/// <param name="jsonData">json數據</param>
/// <returns></returns>
private Dictionary<string, object> JsonToDictionary(string jsonData)
{
    //實例化JavaScriptSerializer類的新實例
    JavaScriptSerializer jss = new JavaScriptSerializer();
    try
    {
        //將指定的 JSON 字符串轉換為 Dictionary<string, object> 類型的對象
        return jss.Deserialize<Dictionary<string, object>>(jsonData);
    }
    catch (Exception ex)
    {
        throw new Exception(ex.Message);
    }
}

 

使用方法:                                          

private void button1_Click(object sender, EventArgs e)
{
    //Json數據
    string json = "{\"dataSet\":{\"header\":{\"returnCode\":\"0\",\"errorInfo\":\"HTTP請求錯誤\",\"version\":\"V1.0R010\",\"totalRows\":\"2000\",\"returnRows\":\"20\"},\"fieldDefine\":{\"assetId\":\"string\",\"serverIdcId\":\"int\",\"inputTime\":\"datetime\"},\"data\":{\"row\":[{\"AssetId\":\"TCNS2006888\",\"ServerIdcId\":\"1\",\"InputTime\":\"2008-12-12\"},{\"AssetId\":\"TCNS2006889\",\"ServerIdcId\":\"2\",\"InputTime\":\"2008-1-1\"}]}}}";
    Dictionary<string, object> dic = JsonToDictionary(json);//將Json數據轉成dictionary格式
    Dictionary<string, object> dataSet=(Dictionary<string, object>)dic["dataSet"];
    //使用KeyValuePair遍歷數據
    foreach (KeyValuePair<string, object> item in dataSet)
    {
        if (item.Key.ToString() == "header")//獲取header數據
        {
            var subItem=(Dictionary<string,object>)item.Value;
            foreach (var str in subItem)
            {
                textBox1.AppendText(str.Key + ":" + str.Value+"\r\n");//顯示到界面
            }
            break;
        }
    }
}

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