from odoo import models, fields, api class PurchaseRequestWizard(models.TransientModel): _name = 'purchase.request.wizard' _description = '采购申请向导' purchase_request_id = fields.Many2one('purchase.request', string='采购申请') message = fields.Char(string='提示', readonly=True) def confirm(self): return self.purchase_request_id.write({"state": "done"})