saas-platform/frontend/saas-web/app/view/purchase/purchaseOut/FormModel.js

Ext.define('saas.view.purchase.purchaseout.FormModel', {
    extend: 'saas.view.core.form.FormPanelModel',
    alias: 'viewmodel.purchase-purchaseout-formmodel',
    data: {
        pi_class: '采购验退单'
     }
});