前端模板jinja2处理枚举类型数据

前提：

 class Orderstate(enum.Enum):
    UNSOLVED = 0  # 未解决
    HANDING = 1  # 处理中
    SOLVED = 2  # 已经解决
    BACK = 4  # 待定

class Workorder(db.Model,BaseModel):
    __tablename__ = 'workorder'
    id = db.Column(db.Integer, primary_key=True, autoincrement=True, comment='工单id')
    clientcoreinfo = db.Column(db.String(50), nullable=False, comment='客户核心信息')
    clientbackinfo = db.Column(db.String(60), nullable=True, comment='客户备注信息')
    problemdescrip = db.Column(db.String(60), nullable=False, comment='问题描述')
    backinfo = db.Column(db.String(50), nullable=True, comment='工单备注')
    product_id = db.Column(db.Integer, db.ForeignKey('product.id'), comment='对应产品')
    category_id = db.Column(db.Integer, db.ForeignKey('productcategory.id'), comment='对应分类')
    state = db.Column(db.Enum(Orderstate), default=Orderstate.UNSOLVED, comment='处理状态')
    create_time = db.Column(db.DateTime, default=datetime.now, comment='创建时间')
    update_time = db.Column(db.DateTime, default=datetime.now, comment='修改时间')
 class Orderstate(enum.Enum):