增加map切片排序

map.go

@@ -262,3 +262,17 @@ func MapSort(order, val, val_type string, MapDate []map[string]interface{}) ([]m
 	}
 	return res, nil
 }
+func MapPage(pageNum, pageSize int, MapDate []map[string]interface{}) []map[string]interface{} {
+	list := []map[string]interface{}{}
+	stat := (pageNum - 1) * pageSize
+	end := stat + pageSize - 1
+	for k, v := range MapDate {
+		if k >= stat && k <= end {
+			list = append(list, v)
+		}
+		if k > end {
+			break
+		}
+	}
+	return list
+}