download:体系课-Go+Python双语言混合开发 盯紧技术先机 抓紧高薪机遇
适合人群
首次开发微服务，高并发项目
从1年初级开发进阶高级工程师
提高crud水平，无自研框架底层原理经验
技术栈单一，缺乏就业竞争力
想攻克分布式常见面试问题
技术储备要求
具备Python基础
Mysql数据库
任意语言Web后端项目经验
public class ObjectIdConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
{
return objectType == typeof(ObjectId);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType != JsonToken.String)
{
throw new Exception(
String.Format("Unexpected token parsing ObjectId. Expected String, got {0}.",
reader.TokenType));
}
var value = (string)reader.Value;
return String.IsNullOrEmpty(value) ? ObjectId.Empty : new ObjectId(value);
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value is ObjectId)
{
var objectId = (ObjectId)value;
writer.WriteValue(objectId != ObjectId.Empty ? objectId.ToString() : String.Empty);
}
else
{
throw new Exception("Expected ObjectId value.");
}
}
}
在ObjectId字段上加一行代码即可
[JsonConverter(typeof(ObjectIdConverter))]
public string _id { get; set; }
假如运用Newtonsoft的JsonConvert的话，还需求额外加上参数
JsonConvert.DeserializeObject(json,new ObjectIdConverter());
3、经过Ignore,一种很有技巧性的写法
[JsonIgnore]
public override ObjectId _Id { get; set; }
[BsonIgnore]
public string _IdStr
{
get
{
return Id.ToString();
}
set
