我有这个 C# 代码,它在
Console.WriteLine($"Register {startAddress + i}={registers[i]}");
行上产生错误。我尝试过双))
,并将其放在声明中的任何地方。我根本看不出错误在哪里。我可能错过了一些简单的东西,但我只是没有看到它。
namespace NModbus.TestDriver
{
using System;
using System.Net.Sockets;
using Modbus.Device;
using NModbus;
class Program
{
static void Main(string[] args)
{
using (TcpClient client = new TcpClient("192.168.111.169", 502))
{
client.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
var master = ModbusIpMaster.CreateIp(client);
// read five input values
byte slaveId = 1;
ushort startAddress = 1;
ushort numRegisters = 5;
// read five registers
ushort[] registers = master.ReadHoldingRegisters(slaveId, startAddress, numRegisters);
for (int i = 0; i < numRegisters; i++)
{
Console.WriteLine($"Register {startAddress + i}={registers[i]}");
}
}
}
}
}
在执行
Console.WriteLine
之前尝试定义字符串——所以for循环就像这样
for (int i = 0; i < numRegisters; i++)
{
string whateverName = $"Register {startAddress + i}={registers[i]}"
Console.WriteLine(whateverName);
}
namespace NModbus.TestDriver
{
using System;
using System.Net.Sockets;
using NModbus;
using Modbus.Device;
class Program
{
static void Main(string[] args)
{
try
{
using (TcpClient client = new TcpClient("192.168.111.169", 502))
{
client.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
var master = ModbusIpMaster.CreateIp(client);
// read five input values
byte slaveId = 1;
ushort startAddress = 1;
ushort numRegisters = 5;
// read five registers
ushort[] registers = master.ReadHoldingRegisters(slaveId, startAddress, numRegisters);
for (int i = 0; i < numRegisters; i++)
{
Console.WriteLine($"Register {startAddress + i}={registers[i]}");
}
}
}
catch (Exception ex)
{
Console.WriteLine (ex.Message);
}
}
}
}
你可以尝试这样对你的前任留言吗?