promotion：增加优惠劵的前端分页界面 80%

yudao-ui-admin/src/api/mall/promotion/coupon.js

@@ -0,0 +1,18 @@
+import request from '@/utils/request'
+
+// 删除优惠劵
+export function deleteCoupon(id) {
+  return request({
+    url: '/promotion/coupon/delete?id=' + id,
+    method: 'delete'
+  })
+}
+
+// 获得优惠劵分页
+export function getCouponPage(query) {
+  return request({
+    url: '/promotion/coupon/page',
+    method: 'get',
+    params: query
+  })
+}