我将日程表列表保存在postgres数据库的jsonb列中,并且LocalDate
NodaTime类型出现问题。
这里是我要序列化的对象(实际上是List<Schedule>
已序列化并存储在数据库中]
public class Schedule
{
public LocalTime? Start { get; set; }
public LocalTime? End { get; set; }
}
这是存储在数据库中的内容
[
{
"End": {
"Hour": 10,
"Minute": 0,
"Second": 0,
"TickOfDay": 360000000000,
"Millisecond": 0,
"TickOfSecond": 0,
"NanosecondOfDay": 36000000000000,
"ClockHourOfHalfDay": 10,
"NanosecondOfSecond": 0
},
"Start": {
"Hour": 8,
"Minute": 0,
"Second": 0,
"TickOfDay": 288000000000,
"Millisecond": 0,
"TickOfSecond": 0,
"NanosecondOfDay": 28800000000000,
"ClockHourOfHalfDay": 8,
"NanosecondOfSecond": 0
}
}
]
这对我来说似乎还不错,但是问题是当我从数据库中获取数据时,我的LocalDate是'00:00:00'。
序列化/反序列化使用
var converter = new ValueConverter<T, string>
(
v => JsonConvert.SerializeObject(v),
v => JsonConvert.DeserializeObject<T>(v) ?? null
);
我按照注释中的建议添加了NodaTime.Serialization.JsonNet
,并将Entity Framework的转换器更改为:
var converter = new ValueConverter<T, string>
(
v => JsonConvert.SerializeObject(v, NodaConverters.LocalTimeConverter),
v => JsonConvert.DeserializeObject<T>(v, NodaConverters.LocalTimeConverter) ?? null
);
现在可以正确序列化为字符串并成功反序列化。
[{"End": "10:00:00", "Start": "09:00:00"}]