feat：新增快递归还相关接口

config/user.js

@@ -237,4 +237,72 @@ export const uploadOssResource = (filePath) => {
 			}
 		})
 	})
+}
+
+// 获取系统配置（预留接口）
+// 期望后端返回形如：{ code: 200, data: { expressReturnCountdownSeconds: number } }
+export const getSystemConfig = () => {
+    return request({
+        url: '/app/system/config',
+        method: 'get',
+        hideLoading: true
+    })
+}
+
+// ===================== 快递归还相关接口 =====================
+// 1) 申请快递归还
+export const applyExpressReturn = (data) => {
+    // data: { orderId: number, logisticsTrackingNumber?: string, remark?: string }
+    return request({
+        url: '/app/express-return/apply',
+        method: 'post',
+        data
+    })
+}
+
+// 2) 补填快递单号
+export const fillExpressTrackingNumber = (data) => {
+    // data: { id: number, logisticsTrackingNumber: string }
+    return request({
+        url: '/app/express-return/fill-tracking-number',
+        method: 'post',
+        data
+    })
+}
+
+// 3) 查询快递归还记录列表
+export const getExpressReturnList = (params) => {
+    // params: { orderId?: number, status?: number, logisticsTrackingNumber?: string, pageNum?: number, pageSize?: number }
+    return request({
+        url: '/app/express-return/list',
+        method: 'get',
+        data: params,
+        hideLoading: true
+    })
+}
+
+// 4) 根据订单ID查询快递归还记录
+export const getExpressReturnByOrder = (orderId) => {
+    return request({
+        url: `/app/express-return/by-order/${orderId}`,
+        method: 'get',
+        hideLoading: true
+    })
+}
+
+// 5) 获取快递归还记录详情
+export const getExpressReturnDetail = (id) => {
+    return request({
+        url: `/app/express-return/${id}`,
+        method: 'get',
+        hideLoading: true
+    })
+}
+
+// 6) 取消快递归还申请
+export const cancelExpressReturn = (id) => {
+    return request({
+        url: `/app/express-return/cancel/${id}`,
+        method: 'post'
+    })
 }