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适合人群
1.初中级PHP开发者
2.对重构感兴趣的开发者json
技术储备要求
有PHP语法基础
MySQL基础使用
Redis基础使用ide
public class ObjectIdConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
{
return objectType == typeof(ObjectId);
}code
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字段上加一行代码便可orm
[JsonConverter(typeof(ObjectIdConverter))]
public string _id { get; set; }
若是使用Newtonsoft的JsonConvert的话,还须要额外加上参数htm
JsonConvert.DeserializeObject<xxxx>(json,new ObjectIdConverter());token
三、经过Ignore,一种颇有技巧性的写法开发
[JsonIgnore]
public override ObjectId _Id { get; set; }get
[BsonIgnore]
public string _IdStr
{
get
{
return Id.ToString();
}
set
{
ObjectId id;
ObjectId.TryParse(value, out id);
Id = id;
}
}string