tenant: admin order export csv

backend/docs/swagger.yaml

@@ -187,6 +187,18 @@ definitions:
         - $ref: '#/definitions/models.Order'
         description: Order is the order with items preloaded.
     type: object
+  dto.AdminOrderExportResponse:
+    properties:
+      content_type:
+        description: ContentType 内容类型：当前固定为 text/csv。
+        type: string
+      csv:
+        description: CSV CSV 文本内容：UTF-8 编码，包含表头与数据行；前端可直接下载为文件。
+        type: string
+      filename:
+        description: Filename 建议文件名：前端可用于下载时的默认文件名。
+        type: string
+    type: object
   dto.AdminOrderRefundForm:
     properties:
       force:
@@ -1926,6 +1938,112 @@ paths:
       summary: 订单退款（租户管理）
       tags:
       - Tenant
+  /t/{tenantCode}/v1/admin/orders/export:
+    get:
+      consumes:
+      - application/json
+      parameters:
+      - description: Tenant Code
+        in: path
+        name: tenantCode
+        required: true
+        type: string
+      - description: AmountPaidMax 实付金额上限（可选）：amount_paid <= 该值（单位分）。
+        in: query
+        name: amount_paid_max
+        type: integer
+      - description: AmountPaidMin 实付金额下限（可选）：amount_paid >= 该值（单位分）。
+        in: query
+        name: amount_paid_min
+        type: integer
+      - description: Asc specifies comma-separated field names to sort ascending by.
+        in: query
+        name: asc
+        type: string
+      - description: ContentID 内容ID（可选）：通过 order_items 关联过滤。
+        in: query
+        name: content_id
+        type: integer
+      - description: ContentTitle 内容标题关键字（可选）：通过 order_items + contents 关联，模糊匹配 contents.title（like）。
+        in: query
+        name: content_title
+        type: string
+      - description: CreatedAtFrom 创建时间起（可选）：created_at >= 该时间（用于按创建时间筛选）。
+        in: query
+        name: created_at_from
+        type: string
+      - description: CreatedAtTo 创建时间止（可选）：created_at <= 该时间（用于按创建时间筛选）。
+        in: query
+        name: created_at_to
+        type: string
+      - description: Desc specifies comma-separated field names to sort descending
+          by.
+        in: query
+        name: desc
+        type: string
+      - description: Limit is page size; only values in {10,20,50,100} are accepted
+          (otherwise defaults to 10).
+        in: query
+        name: limit
+        type: integer
+      - description: Page is 1-based page index; values <= 0 are normalized to 1.
+        in: query
+        name: page
+        type: integer
+      - description: PaidAtFrom 支付时间起（可选）：paid_at >= 该时间（用于按支付时间筛选）。
+        in: query
+        name: paid_at_from
+        type: string
+      - description: PaidAtTo 支付时间止（可选）：paid_at <= 该时间（用于按支付时间筛选）。
+        in: query
+        name: paid_at_to
+        type: string
+      - description: Status 订单状态（可选）：created/paid/refunding/refunded/canceled/failed。
+        enum:
+        - created
+        - paid
+        - refunding
+        - refunded
+        - canceled
+        - failed
+        in: query
+        name: status
+        type: string
+        x-enum-varnames:
+        - OrderStatusCreated
+        - OrderStatusPaid
+        - OrderStatusRefunding
+        - OrderStatusRefunded
+        - OrderStatusCanceled
+        - OrderStatusFailed
+      - description: Type 订单类型（可选）：content_purchase/topup 等。
+        enum:
+        - content_purchase
+        - topup
+        in: query
+        name: type
+        type: string
+        x-enum-varnames:
+        - OrderTypeContentPurchase
+        - OrderTypeTopup
+      - description: UserID 下单用户ID（可选）：按买家用户ID精确过滤。
+        in: query
+        name: user_id
+        type: integer
+      - description: Username 下单用户用户名关键字（可选）：模糊匹配 users.username（like）。
+        in: query
+        name: username
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/dto.AdminOrderExportResponse'
+      summary: 订单导出（租户管理）
+      tags:
+      - Tenant
   /t/{tenantCode}/v1/admin/users:
     get:
       consumes: