package models // PigNutrientRequirement 猪营养需求模型 type PigNutrientRequirement struct { Model PigTypeID uint32 `gorm:"not null;index;comment:关联的猪类型ID"` PigType PigType `gorm:"foreignKey:PigTypeID"` NutrientID uint32 `gorm:"not null;index;comment:关联的营养素ID"` Nutrient Nutrient `gorm:"foreignKey:NutrientID"` MinRequirement float32 `gorm:"not null;comment:最低营养需求量"` MaxRequirement float32 `gorm:"not null;comment:最高营养需求量"` } func (PigNutrientRequirement) TableName() string { return "pig_nutrient_requirements" }