feat：完善项目

app/common/model/work_purchase.go

@@ -0,0 +1,18 @@
+package model
+
+// WorkPurchase 工单采购数据模型
+type WorkPurchase struct {
+	Model
+	WorkID             uint64 `gorm:"column:work_id;type:int(11);default:0;comment:工单ID" json:"-"`
+	MaterialPurchaseID uint64 `gorm:"column:material_purchase_id;type:int(11);default:0;comment:器材采购ID" json:"-"`
+	ModelDeleted
+	ModelAt
+}
+
+func (m *WorkPurchase) TableName() string {
+	return "work_purchase"
+}
+
+func NewWorkPurchase() *WorkPurchase {
+	return &WorkPurchase{}
+}