- rf.

business/model/dao/dao_utils.go

@@ -81,3 +81,14 @@ func WrapUpdateULEntity(item interface{}, lastOperator string) interface{} {
 	}
 	return item
 }
+
+func GenQuestionMarks(count int) string {
+	marks := ""
+	if count > 0 {
+		marks = "?"
+		for i := 1; i < count; i++ {
+			marks += ", ?"
+		}
+	}
+	return marks
+}