添加打印机心跳监听,心跳监听成功,表示打印机激活,用户可以绑定!

business/model/dao/print_activation.go

@@ -1,5 +1,14 @@
 package dao
 
-func CheckPrintIsHave(printNo string) {
-	GetRow()
+import (
+	"time"
+)
+
+func NotExistsCreate(printNo string) error {
+	sql := `INSERT INTO print_activation (print_no,created_at) SELECT ?,? FROM dual_table WHERE NOT EXISTS (SELECT * FROM print_activation WHERE print_no = ?)`
+	param := []interface{}{printNo, time.Now(), printNo}
+	if _, err := ExecuteSQL(GetDB(), sql, param...); err != nil {
+		return err
+	}
+	return nil
 }