/*官网教程： https://www.newtonsoft.com/json/help/html/Samples.htm
*
* 问题1：统一时间格式
* 解决：https://www.cnblogs.com/litian/p/3870975.html
*
*/
/// <summary>
/// 将json字符串转换为实体类对象
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="json">json字符串</param>
/// <returns>实体类对象</returns>
public static T Parse <T>(string json)
{
try
{
return(JsonConvert.DeserializeObject <T>(json));
}
catch (Exception ex)
{
NLogHelper.Error("反序列化异常", ex);
return(default(T));
}
}
/// <returns></returns>
/// <summary>
/// 将类对象转化为json字符串
/// </summary>
/// <param name="value">类对象</param>
/// <param name="dateFormat">日期格式，默认年月日时分秒</param>
/// <returns>json字符串</returns>
public static string Stringify(object value, string dateFormat = "yyyy-MM-dd HH:mm:ss")
{
try
{
return(JsonConvert.SerializeObject(value,
new JsonSerializerSettings {
DateFormatString = dateFormat
}));
}
catch (Exception ex)
{
NLogHelper.Error("序列化异常", ex);
return(null);
}
}
/// <summary>
/// 反序列化文件中的json字符串
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="filePath">文件路径</param>
/// <param name="dateFormat">日期格式，默认年月日时分秒</param>
public static T ParseFromFile <T>(string filePath, string dateFormat = "yyyy-MM-dd HH:mm:ss")
{
try
{
using (StreamReader sreader = File.OpenText(filePath))
{
JsonSerializerSettings setting = new JsonSerializerSettings {
DateFormatString = dateFormat
};
JsonSerializer serializer = JsonSerializer.Create(setting);
return((T)serializer.Deserialize(sreader, typeof(T)));
}
}
catch (Exception ex)
{
NLogHelper.Error("写入json数据失败", ex);
return(default(T));
}
}
/// <summary>
/// 序列化并写入文件
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="value">类对象</param>
/// <param name="dateFormat">日期格式，默认年月日时分秒</param>
public static bool StringifyToFile(string filePath, object value, string dateFormat = "yyyy-MM-dd HH:mm:ss")
{
try
{
using (StreamWriter swriter = File.CreateText(filePath))
{
JsonSerializerSettings setting = new JsonSerializerSettings {
DateFormatString = dateFormat
};
JsonSerializer serializer = JsonSerializer.Create(setting);
serializer.Serialize(swriter, value);
}
return(true);
}
catch (Exception ex)
{
NLogHelper.Error("写入json数据失败", ex);
return(false);
}
}