Read = 1: Query all records of a certain day by date <br>2: Query all records of this vehicle number by vehicle number <br>3: Query all records of this vehicle number by cargo number <br>4: Detect vehicle numbe
Read=1: Query all records of a certain day by date<br>2: Query all records of the vehicle number by vehicle number<br>3: Query all records of the item number by item number<br>4: Detect vehicle numbe
Read = 1: query all records of a certain day by date.<br> 2: Query all records of the car number by car number.<br> 3: Inquire all records of the item number according to the item number.<br> 4. Check the car numbe