一个表的rust结构体代码示例

// train_item_results.rs // Description: 统一返回结构 // Author: raymond163.com 时间(2026-08-18 16:49:25) // Update: raymond163.com 时间(2026-08-18 16:49:25) use chrono::{DateTime, Utc}; use serde::{Deserialize, Serialize}; use crate::rubase::BaseEntity; use crate::rudi::difactroy::find_bean_di_factroy; use crate::rudomain::rudb::dbentity::find_bean_train_item_results; use crate::rulog; // // 辅助模块实现 i64 与 JSON 字符串之间的序列化/反序列化 // 对应 Go 中的 json:fieldName,string 标签 // mod serde_i64_string { use serde::{self, Deserialize, Deserializer, Serializer}; pub fn serializeS(value: i64, serializer: S) - ResultS::Ok, S::Error where S: Serializer, { serializer.serialize_str(value.to_string()) } pub fn deserializede, D(deserializer: D) - Resulti64, D::Error where D: Deserializerde, { let s String::deserialize(deserializer)?; s.parse().map_err(serde::de::Error::custom) } } mod serde_option_i64_string { use serde::{self, Deserialize, Deserializer, Serializer}; pub fn serializeS(value: Optioni64, serializer: S) - ResultS::Ok, S::Error where S: Serializer, { match value { Some(v) serializer.serialize_str(v.to_string()), None serializer.serialize_none(), } } pub fn deserializede, D(deserializer: D) - ResultOptioni64, D::Error where D: Deserializerde, { let opt Option::String::deserialize(deserializer)?; match opt { Some(s) s.parse().map(Some).map_err(serde::de::Error::custom), None Ok(None), } } } // // 基础实体 trait对应 Go 中的 basedto.BaseEntity // pub trait TableEntity: Send Sync { fn pkey_name(self) - str; fn pkey_value(self) - i64; fn table_name(self) - str; } #[test] fn test_01_serde_i64_string() { let rfind_bean_train_item_results().unwrap(); rulog::info (r ); } #[test] fn test_02_serde_i64_string() { find_bean_di_factroy().unwrap().make_di() } impl BaseEntity for TrainItemResults { } // // 核心实体TrainItemResults // 对应 Go 中的 TrainItemResults struct // 内嵌了 simplemodel.Model 的字段 // #[derive(Debug, Clone, Serialize, Deserialize)] pub struct TrainItemResults { // ---- 来自 simplemodel.Model ---- #[serde(with serde_i64_string)] pub id: i64, #[serde(rename createdAt)] pub created_at: DateTimeUtc, #[serde(rename updatedAt)] pub updated_at: DateTimeUtc, #[serde(rename createdBy, with serde_i64_string)] pub created_by: i64, #[serde(rename updatedBy, with serde_i64_string)] pub updated_by: i64, // ---- TrainItemResults 特有字段 ---- /// 学生ID #[serde(rename studentId, with serde_i64_string)] pub student_id: i64, /// 题库ID #[serde(rename itemBankId, with serde_i64_string)] pub item_bank_id: i64, /// 题目行ID #[serde(rename itemLineId, with serde_i64_string)] pub item_line_id: i64, /// 最近一次训练是否做对 #[serde(rename ifOk)] pub if_ok: bool, /// 最后一次训练记录ID #[serde(rename trainId, with serde_i64_string)] pub train_id: i64, /// 最后一次完成时间 #[serde(rename finishedAt)] pub finished_at: DateTimeUtc, /// 累计训练次数 #[serde(default)] pub count: i32, /// 累计正确次数 #[serde(rename totalOk, default)] pub total_ok: i32, /// 累计错误次数 #[serde(rename totalErr, default)] pub total_err: i32, /// 训练题目行ID关联训练计划明细 #[serde(rename trainItemLine, with serde_i64_string)] pub train_item_line: i64, } // // DTO / Request / Response 包装类型 // 对应 Go 中的 TrainItemResultsDto, TrainItemResultsRequest, TrainItemResultsResp // #[derive(Debug, Clone, Serialize, Deserialize)] pub struct TrainItemResultsDto { #[serde(flatten)] pub inner: TrainItemResults, } #[derive(Debug, Clone, Serialize, Deserialize)] pub struct TrainItemResultsRequest { #[serde(flatten)] pub inner: TrainItemResults, } #[derive(Debug, Clone, Serialize, Deserialize)] pub struct TrainItemResultsResp { #[serde(flatten)] pub inner: TrainItemResults, } // // TrainItemResults 方法实现 // impl TrainItemResults { /// 对应 Go 的 NewTrainItemResults() pub fn new() - Self { Self { id: 0, created_at: Utc::now(), updated_at: Utc::now(), created_by: 0, updated_by: 0, student_id: 0, item_bank_id: 0, item_line_id: 0, if_ok: false, train_id: 0, finished_at: Utc::now(), count: 0, total_ok: 0, total_err: 0, train_item_line: 0, } } /// 对应 Go 的 ModelInit() - 初始化时设置时间戳 pub fn model_init(mut self) { if self.id 0 { let now Utc::now(); self.created_at now; self.updated_at now; } } /// 对应 Go 的 IfNewSave() - 判断是否为新记录 pub fn if_new_save(self) - bool { self.id 0 } /// 对应 Go 的 ObjectKey() - 生成对象缓存键 pub fn object_key(self) - String { let env std::env::var(APP_ENV).unwrap_or_else(|_| dev.to_string()); format!({}:db:{}:{}, env, self.table_name(), self.pkey_value()) } /// 对应 Go 的 CacheKey() pub fn cache_key(self) - String { self.object_key() } /// 对应 Go 的 CacheKeyOf(id) - 根据指定 ID 生成缓存键 pub fn cache_key_of(self, id: i64) - String { let env std::env::var(APP_ENV).unwrap_or_else(|_| dev.to_string()); format!({}:db:{}:{}, env, self.table_name(), id) } } // // BaseEntity trait 实现 // impl TableEntity for TrainItemResults { /// 对应 Go 的 PkeyName() fn pkey_name(self) - str { id } /// 对应 Go 的 PkeyValue() fn pkey_value(self) - i64 { self.id } /// 对应 Go 的 TableName() fn table_name(self) - str { train_item_results } } // // Default trait 实现Rust 惯用方式替代 NewTrainItemResults // impl Default for TrainItemResults { fn default() - Self { Self::new() } } // // DTO / Request / Response 的构造函数 // impl TrainItemResultsDto { /// 对应 Go 的 NewTrainItemResultsDto() pub fn new() - Self { Self { inner: TrainItemResults::new(), } } } impl Default for TrainItemResultsDto { fn default() - Self { Self::new() } } impl TrainItemResultsRequest { pub fn new() - Self { Self { inner: TrainItemResults::new(), } } } impl Default for TrainItemResultsRequest { fn default() - Self { Self::new() } } impl TrainItemResultsResp { pub fn new() - Self { Self { inner: TrainItemResults::new(), } } } impl Default for TrainItemResultsResp { fn default() - Self { Self::new() } } // // 单元测试 // #[cfg(test)] mod tests { use super::*; #[test] fn test_new_train_item_results() { let result TrainItemResults::new(); assert_eq!(result.id, 0); assert_eq!(result.pkey_name(), id); assert_eq!(result.table_name(), train_item_results); assert!(result.if_new_save()); } #[test] fn test_object_key() { let result TrainItemResults::new(); let key result.object_key(); assert!(key.contains(db)); assert!(key.contains(train_item_results)); } #[test] fn test_serialize_deserialize() { let mut result TrainItemResults::new(); result.id 123; result.student_id 456; result.if_ok true; let json serde_json::to_string(result).unwrap(); assert!(json.contains(\id\:\123\)); assert!(json.contains(\studentId\:\456\)); assert!(json.contains(\ifOk\:true)); let deserialized: TrainItemResults serde_json::from_str(json).unwrap(); assert_eq!(deserialized.id, 123); assert_eq!(deserialized.student_id, 456); assert_eq!(deserialized.if_ok, true); } }