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/jxstore/event/event_tcp.go

@@ -91,7 +91,9 @@ func (t *TcpClient) handleConn(c net.Conn) {
 				changePrinterStatus(printNo, status)
 				t.HandleCheckTcpHeart(printNo)
 				// todo 证明打印机已经被激活,将激活打印机存入数据库,保证用户不能无限制绑定打印机
-
+				if err := dao.NotExistsCreate(printNo); err != nil {
+					globals.SugarLogger.Debugf("监听打印机心跳,不存在则创建 :[%v]", err)
+				}
 			} else {
 				//在加到连接池中已经更新了时间，所以放在else里
 				t.setPrintStatusTime(printNo)

business/model/dao/print_activation.go

@@ -1,5 +1,14 @@
 package dao
 
-func CheckPrintIsHave(printNo string) {
+import (
-	GetRow()
+	"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
 }