[英]How do you run through the entire JSON file, while filtering out specific values & strings from code behind?
我可以知道您如何在整个JSON文件中运行,并在此过程中过滤掉特定的值和字符串,例如db_table_name吗? 从代码-后面
这是JSON文件的示例
d={"db_table_name":"form_for_hub_trooper_in_store_feedback_form_20160829174321","Date of Audit":"2017-04-27"}
test.json文件:
{
"db_table_name": "from_for_bub_trooper_in_store_feedback_from_20160829174321",
"Date of Audit": "2017-04-27"
}
您可以简单地使用Newtonsoft.Json
。 工作代码如下:
string jsonText = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "test.json");
using (StreamReader r = new StreamReader(jsonText))
{
string json = r.ReadToEnd();
JObject token = JObject.Parse(json);
string dbTable = token.SelectToken("db_table_name").ToString();
}
如果要按条件动态访问json:
string jsonText = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "test.json");
using (StreamReader r = new StreamReader(jsonText))
{
string json = r.ReadToEnd();
dynamic dynamicJson = JsonConvert.DeserializeObject(json);
foreach (var item in dynamicJson)
{
if (item.Name == "db_table_name")
Console.WriteLine(item.Value);
if (item.Name == "Date of Audit")
Console.WriteLine(item.Value);
}
}
void Main()
{
string d = "{'db_table_name':'form_for_hub_trooper_in_store_feedback_form_20160829174321','Date of Audit':'2017-04-27'}";
var obj = (JObject)JsonConvert.DeserializeObject(d);
Console.WriteLine($"Table Name = {(obj["db_table_name"])}");
}
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