初始版本，目前线上可用

backEnd/src/entity/ServiceItem.ts

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+import { Entity, Column } from "typeorm";
+import { BaseEntity } from "@/abstrClass/BaseEntity";
+
+@Entity("service_item")
+export class ServiceItem extends BaseEntity {
+  @Column("varchar", {
+    name: "name",
+    comment: "服务项目名称",
+    length: 255,
+    default: "",
+  })
+  name: string;
+
+  @Column("int", {
+    comment: "数量",
+    default: 0,
+  })
+  quantity: number;
+
+  @Column("varchar", {
+    name: "unit",
+    comment: "单位",
+    length: 50,
+    default: "",
+  })
+  unit: string;
+
+  @Column("decimal", {
+    name: "price",
+    comment: "售价",
+    precision: 10,
+    scale: 2,
+    default: 0.0,
+  })
+  price: number;
+
+  @Column("varchar", {
+    name: "remark",
+    comment: "备注",
+    length: 500,
+    default: "",
+  })
+  remark: string;
+
+  @Column("int", {
+    name: "parentId",
+    comment: "分类ID",
+    default: 0,
+  })
+  parentId: number; // 关联分类
+
+  @Column("int", {
+    name: "hasDeceased",
+    comment: "是否有逝者",
+    default: 1,
+  })
+  hasDeceased: number; // 关联分类
+}
+
+export default ServiceItem;