uint/uint64全部改为uint32

internal/infra/models/pig_batch.go

@@ -2,8 +2,6 @@ package models
 
 import (
 	"time"
-
-	"gorm.io/gorm"
 )
 
 /*
@@ -32,7 +30,7 @@ const (
 
 // PigBatch 是猪批次的核心模型，代表了一群被共同管理的猪
 type PigBatch struct {
-	gorm.Model
+	Model
 	BatchNumber  string             `gorm:"size:50;not null;uniqueIndex;comment:批次编号,如 2024-W25-A01"`
 	OriginType   PigBatchOriginType `gorm:"size:20;not null;comment:批次来源 (自繁, 外购)"`
 	StartDate    time.Time          `gorm:"not null;comment:批次开始日期 (如转入日或购买日)"`
@@ -65,14 +63,14 @@ const (
 
 // PigBatchLog 记录了猪批次数量或状态的每一次变更
 type PigBatchLog struct {
-	gorm.Model
-	PigBatchID  uint          `gorm:"not null;index;comment:关联的猪批次ID"`
+	Model
+	PigBatchID  uint32        `gorm:"not null;index;comment:关联的猪批次ID"`
 	ChangeType  LogChangeType `gorm:"size:20;not null;comment:变更类型"`
 	ChangeCount int           `gorm:"not null;comment:数量变化,负数表示减少"`
 	Reason      string        `gorm:"size:255;comment:变更原因描述"`
 	BeforeCount int           `gorm:"not null;comment:变更前总数"`
 	AfterCount  int           `gorm:"not null;comment:变更后总数"`
-	OperatorID  uint          `gorm:"comment:操作员ID"`
+	OperatorID  uint32        `gorm:"comment:操作员ID"`
 	HappenedAt  time.Time     `gorm:"primaryKey;comment:事件发生时间"`
 }
 
@@ -82,10 +80,10 @@ func (PigBatchLog) TableName() string {
 
 // WeighingBatch 记录了一次批次称重的信息
 type WeighingBatch struct {
-	gorm.Model
+	Model
 	WeighingTime time.Time `gorm:"primaryKey;comment:称重时间"`
 	Description  string    `gorm:"size:255;comment:批次称重描述"`
-	PigBatchID   uint      `gorm:"not null;index;comment:关联的猪批次ID"`
+	PigBatchID   uint32    `gorm:"not null;index;comment:关联的猪批次ID"`
 }
 
 func (WeighingBatch) TableName() string {
@@ -94,11 +92,11 @@ func (WeighingBatch) TableName() string {
 
 // WeighingRecord 记录了单次称重信息
 type WeighingRecord struct {
-	gorm.Model
+	Model
 	Weight          float32   `gorm:"not null;comment:单只猪重量 (kg)"`
-	WeighingBatchID uint      `gorm:"not null;index;comment:关联的批次称重ID"`
-	PenID           uint      `gorm:"not null;index;comment:所在猪圈ID"`
-	OperatorID      uint      `gorm:"not null;comment:操作员ID"`
+	WeighingBatchID uint32    `gorm:"not null;index;comment:关联的批次称重ID"`
+	PenID           uint32    `gorm:"not null;index;comment:所在猪圈ID"`
+	OperatorID      uint32    `gorm:"not null;comment:操作员ID"`
 	Remark          string    `gorm:"size:255;comment:备注"`
 	WeighingTime    time.Time `gorm:"primaryKey;comment:称重时间"`
 }