c# 读取json文件信息

两种方法：

/// <summary>
///
/// </summary>
/// <returns></returns>
private string GetStrConn(string ConnType)
{
try
{
StreamReader sr = new StreamReader(System.IO.Directory.GetCurrentDirectory() + "\\DBConfig.json", Encoding.Default);
String line;
string jsonobj = "";
while ((line = sr.ReadLine()) != null)
{
jsonobj = jsonobj + line.ToString();
}
DBConn dbConn = JsonConvert.DeserializeObject<DBConn>(jsonobj);
System.Reflection.PropertyInfo[] properties = dbConn.GetType().GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
foreach (System.Reflection.PropertyInfo item in properties)
{
string name = item.Name;
object value = item.GetValue(dbConn, null);
if (name==ConnType)
{
return value.ToString();
}
}
return "";
}
catch (Exception ex)
{
throw ex;
}

}
}

/// <summary>
/// 获取链接数据库类型
/// </summary>
/// <returns></returns>
public static string GetStrConn()
{
try
{
using (System.IO.StreamReader file = System.IO.File.OpenText(System.IO.Directory.GetCurrentDirectory() + "\\log.json"))
{
using (JsonTextReader reader = new JsonTextReader(file))
{
JObject o = (JObject)JToken.ReadFrom(reader);
string key = o["DataType"].ToString();
return key;
}
}
}
catch (Exception ex)
{
throw ex;
}

}