2026-01-28 08:54:11 +08:00
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# app/models/material.py
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2026-01-26 13:47:53 +08:00
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from app.extensions import db
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from datetime import datetime
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2026-01-28 08:54:11 +08:00
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2026-01-26 13:47:53 +08:00
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class MaterialBase(db.Model):
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2026-01-28 08:54:11 +08:00
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"""
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基础信息表模型
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对应数据库表: material_base
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"""
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__tablename__ = 'material_base'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(255), nullable=False, comment='基础信息名称')
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category = db.Column(db.String(100), comment='类别') # 例如: 采购件, 自制件
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material_type = db.Column(db.String(100), comment='类型') # 例如: 电子料, 结构件 (对应前端 type)
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spec_model = db.Column(db.String(255), comment='规格型号') # (对应前端 spec)
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unit = db.Column(db.String(50), comment='计量单位')
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# 根据你提供的代码,可见等级设为 Integer,默认为 0
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visibility_level = db.Column(db.Integer, default=0, comment='信息可见等级')
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manual_link = db.Column(db.Text, comment='通用说明书链接') # (对应前端 generalManual)
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product_image = db.Column(db.Text, comment='通用产品图链接') # (对应前端 generalImage)
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is_enabled = db.Column(db.Boolean, default=True, comment='是否启用')
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# 时间字段(建议加上,用于排序或记录)
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create_time = db.Column(db.DateTime, default=datetime.utcnow)
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update_time = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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2026-01-27 15:50:23 +08:00
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# 【核心关联】
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# 关联采购库存表,lazy='dynamic' 允许使用 .count() 等查询方法
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stock_buys = db.relationship('StockBuy', back_populates='material', lazy='dynamic')
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def to_dict(self):
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"""
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序列化方法:将模型转换为字典,供API返回JSON使用
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此处进行了字段名的映射,以适配 list.vue 前端的 prop 属性
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"""
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return {
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'id': self.id,
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'name': self.name,
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'category': self.category,
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# --- 字段映射区域 (后端字段 -> 前端字段) ---
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'type': self.material_type, # 前端 prop="type"
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'spec': self.spec_model, # 前端 prop="spec"
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'unit': self.unit,
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# 转为驼峰命名,适配前端习惯
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'visibilityLevel': self.visibility_level,
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'generalManual': self.manual_link,
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'generalImage': self.product_image,
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# Element Plus Switch 组件通常接受 1/0 或 true/false
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# 这里转为 1/0 方便前端 el-switch :active-value="1" :inactive-value="0"
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'isEnabled': 1 if self.is_enabled else 0,
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# 补充时间信息
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'createTime': self.create_time.strftime('%Y-%m-%d %H:%M:%S') if self.create_time else None
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}
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