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loc: Option\u0026lt;Location\u0026gt; \u003D Option\u0026lt;Location\u0026gt;.None    public func serialize(): DataModel {        return DataModelStruct().add(field\u0026lt;String\u0026gt;(\u0026#34;name\u0026#34;, name)).add(field\u0026lt;Int64\u0026gt;(\u0026#34;age\u0026#34;, age)).add(field\u0026lt;Option\u0026lt;Location\u0026gt;\u0026gt;(\u0026#34;loc\u0026#34;, loc))    }    public static func deserialize(dm: DataModel): Person {        var dms \u003D match (dm) {            case data: DataModelStruct \u003D\u0026gt; data            case _ \u003D\u0026gt; throw Exception(\u0026#34;this data is not DataModelStruct\u0026#34;)        }        var result \u003D Person()        result.name \u003D String.deserialize(dms.get(\u0026#34;name\u0026#34;))        result.age \u003D Int64.deserialize(dms.get(\u0026#34;age\u0026#34;))        result.loc \u003D Option\u0026lt;Location\u0026gt;.deserialize(dms.get(\u0026#34;loc\u0026#34;))        return result    }}class Location \u0026lt;: Serializable\u0026lt;Location\u0026gt;{    var country: String \u003D \u0026#34;\u0026#34;    var province: String \u003D \u0026#34;\u0026#34;    public func serialize(): DataModel {        return DataModelStruct().add(field\u0026lt;String\u0026gt;(\u0026#34;country\u0026#34;, country)).add(field\u0026lt;String\u0026gt;(\u0026#34;province\u0026#34;, province))    }    public static func deserialize(dm: DataModel): Location {        var dms \u003D match (dm) {            case data: DataModelStruct \u003D\u0026gt; data            case _ \u003D\u0026gt; throw Exception(\u0026#34;this data is not DataModelStruct\u0026#34;)        }        var result \u003D Location()        result.country \u003D String.deserialize(dms.get(\u0026#34;country\u0026#34;))        result.province \u003D String.deserialize(dms.get(\u0026#34;province\u0026#34;))        return result    }}main() {    var js \u003D ##\u0026#34;{    \u0026#34;name\u0026#34;: \u0026#34;A\u0026#34;,    \u0026#34;age\u0026#34;: 30,    \u0026#34;loc\u0026#34;: {        \u0026#34;country\u0026#34;: \u0026#34;China\u0026#34;,        \u0026#34;province\u0026#34;: \u0026#34;Beijing\u0026#34;    }}\u0026#34;##    var jv \u003D JsonValue.fromStr(js)    var dm \u003D DataModel.fromJson(jv)    var A \u003D Person.deserialize(dm)    println(\u0026#34;name \u003D\u003D ${A.name}\u0026#34;)    println(\u0026#34;age \u003D\u003D ${A.age}\u0026#34;)    println(\u0026#34;country \u003D\u003D ${A.loc.getOrThrow().country}\u0026#34;)    println(\u0026#34;province \u003D\u003D ${A.loc.getOrThrow().province}\u0026#34;)    println(\u0026#34;\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u003D\u0026#34;) // 上部分实现从 JSON 字符串到自定义类型的转换，下部分实现从自定义类型到 JSON 字符串的转换。    dm \u003D A.serialize()    var jo \u003D dm.toJson().asObject()    println(jo.toJsonString())    0}\u003C/code\u003E',ipRegion:'',updatedByUid:0,createdAt:'2025-03-18 14:53:47',updatedAt:'2025-03-20 11:31:22',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60320,num:1,uid:11183,content:'ts 就这样吧，感觉还好。go 的那个也挺麻烦的。',ipRegion:'',updatedByUid:0,createdAt:'2025-03-18 18:21:22',updatedAt:'2025-03-20 11:31:22',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60321,num:2,uid:2915,content:'和 dart 很像',ipRegion:'',updatedByUid:0,createdAt:'2025-03-18 19:12:46',updatedAt:'2025-03-20 11:31:22',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60322,num:3,uid:10759,content:'啥业务非得用这个语言啊...\u003Cbr\u003E\u003Cbr\u003E难道是国产化要求用了？',ipRegion:'',updatedByUid:0,createdAt:'2025-03-18 21:42:54',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60323,num:4,uid:2265,content:'我认为开发 cj 的那群人应该不会上这个论坛 （笑',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:27:13',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60324,num:5,uid:443,content:'看了下都是 trivial 的字段映射。定制比较多的序列化和反序列化也就算了，这种 trivial 的就不能直接自动生成么',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:35:10',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60325,num:6,uid:5600,content:'我觉得学这个语言还是有前途的，就是难学。',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:40:23',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60326,num:7,uid:4918,content:'学了可以干嘛 专门干国产化的嘛',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 11:41:28',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60327,num:8,uid:5600,content:'可以做后端开发，也可以鸿蒙 APP 开发',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 12:17:54',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60328,num:9,uid:4168,content:'还真有人学这个呀，这个赛道你们卷去吧，哈哈哈',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 14:35:19',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60329,num:10,uid:9209,content:'看起来就是要自己实现序列化反序列化接口，第三方做个序列化库，用注解生成序列化接口的实现也许可以。',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 14:36:13',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:60330,num:11,uid:11832,content:'这个写法就像是仓颉没有注解和反射功能。',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 15:08:32',updatedAt:'2025-03-20 11:31:23',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},],usersMap:new 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