eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiTXJCdWciLCJleHAiOjE1MTI5NTkzMDMuMCwianRpIjoibHVvemhpcGVuZyJ9.9iwGMHmS0mophyFgliLK15hs_eE770IchaZ-bWcX5c0

{"alg": "HS256","typ": "JWT"
}

eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9

{"name": "MrBug","exp": 1512959303,"jti": "luozhipeng"
}

eyJuYW1lIjoiTXJCdWciLCJleHAiOjE1MTI5NTkzMDMuMCwianRpIjoibHVvemhpcGVuZyJ9

// javascript
var encodedString = base64UrlEncode(header) + '.' + base64UrlEncode(payload);var signature = HMACSHA256(encodedString, 'secret'); // 9iwGMHmS0mophyFgliLK15hs_eE770IchaZ-bWcX5c0

eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiTXJCdWciLCJleHAiOjE1MTI5NTkzMDMuMCwianRpIjoibHVvemhpcGVuZyJ9.9iwGMHmS0mophyFgliLK15hs_eE770IchaZ-bWcX5c0

fetch('api/user/1', {headers: {'Authorization': 'Bearer ' + token}
})

Install-Package JWT -Version 3.0.0

IDateTimeProvider provider = new UtcDateTimeProvider();
var now = provider.GetNow();var unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); // or use JwtValidator.UnixEpoch
var secondsSinceEpoch = Math.Round((now - unixEpoch).TotalSeconds);var payload = new Dictionary<string, object>
{{ "name", "MrBug" },                {"exp",secondsSinceEpoch+100 },{"jti","luozhipeng" }
};Console.WriteLine(secondsSinceEpoch);IJwtAlgorithm algorithm = new HMACSHA256Algorithm();
IJsonSerializer serializer = new JsonNetSerializer();
IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
IJwtEncoder encoder = new JwtEncoder(algorithm, serializer, urlEncoder);var token = encoder.Encode(payload, secret);
Console.WriteLine(token);

try
{IJsonSerializer serializer = new JsonNetSerializer();IDateTimeProvider provider = new UtcDateTimeProvider();IJwtValidator validator = new JwtValidator(serializer, provider);IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();IJwtDecoder decoder = new JwtDecoder(serializer, validator, urlEncoder);var json = decoder.Decode(token, secret, verify: true);//token为之前生成的字符串Console.WriteLine(json);
}
catch (TokenExpiredException)
{Console.WriteLine("Token has expired");
}
catch (SignatureVerificationException)
{Console.WriteLine("Token has invalid signature");
}

public class CustomJsonSerializer : IJsonSerializer
{public string Serialize(object obj){// Implement using favorite JSON Serializer
    }public T Deserialize<T>(string json){// Implement using favorite JSON Serializer
    }
}

IJwtAlgorithm algorithm = new HMACSHA256Algorithm();
IJsonSerializer serializer = new CustomJsonSerializer();
IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
IJwtEncoder encoder = new JwtEncoder(algorithm, serializer, urlEncoder);

JsonSerializer customJsonSerializer = new JsonSerializer
{// All json keys start with lowercase characters instead of the exact casing of the model/property. e.g. fullNameContractResolver = new CamelCasePropertyNamesContractResolver(), // Nice and easy to read, but you can also do Formatting.None to reduce the payload size (by hardly anything...)Formatting = Formatting.Indented,// The best date/time format/standard.DateFormatHandling = DateFormatHandling.IsoDateFormat,// Don't add key/values when the value is null.NullValueHandling = NullValueHandling.Ignore,// Use the enum string-value, not the implicit int value, e.g. "oolor" : "red"Converters.Add(new StringEnumConverter())
};
IJsonSerializer serializer = new JsonNetSerializer(customJsonSerializer);