141 lines
5.0 KiB
Python
141 lines
5.0 KiB
Python
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import logging
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import json
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import os
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from PySide6.QtWidgets import QWidget, QMessageBox
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from PySide6.QtCore import Signal
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from utils.config_loader import ConfigLoader
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class PLCSettingsWidget(QWidget):
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"""PLC设置控制器"""
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# 定义信号
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settings_changed = Signal() # 设置变更信号
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def __init__(self, parent=None):
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"""初始化控制器
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Args:
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parent: 父窗口
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"""
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super().__init__(parent)
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self.parent = parent
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self.config = ConfigLoader.get_instance()
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# 获取UI控件引用
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self.modbus_host_input = parent.modbus_host_input
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self.modbus_port_input = parent.modbus_port_input
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self.modbus_test_button = parent.modbus_test_button
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self.plc_save_button = parent.plc_save_button
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# 连接信号和槽
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self.connect_signals()
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# 加载配置
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self.load_config()
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def connect_signals(self):
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"""连接信号和槽"""
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self.modbus_test_button.clicked.connect(self.test_modbus_connection)
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self.plc_save_button.clicked.connect(self.save_config)
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def load_config(self):
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"""加载配置"""
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try:
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# 加载Modbus配置
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host = self.config.get_value("modbus.host")
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port = self.config.get_value("modbus.port")
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self.modbus_host_input.setText(host if host else "localhost")
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self.modbus_port_input.setText(str(port) if port else "502")
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logging.info("已加载PLC配置")
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except Exception as e:
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logging.error(f"加载PLC配置失败: {str(e)}")
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QMessageBox.critical(self, "错误", f"加载PLC配置失败: {str(e)}")
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def save_config(self):
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"""保存配置"""
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try:
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# 获取输入值
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host = self.modbus_host_input.text().strip()
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port = self.modbus_port_input.text().strip()
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# 验证输入
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if not host:
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QMessageBox.warning(self, "警告", "请输入Modbus主机地址")
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return
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if not port:
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QMessageBox.warning(self, "警告", "请输入Modbus端口")
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return
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try:
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port_int = int(port)
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if port_int < 1 or port_int > 65535:
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QMessageBox.warning(self, "警告", "端口号必须在1-65535之间")
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return
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except ValueError:
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QMessageBox.warning(self, "警告", "端口号必须是整数")
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return
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# 更新配置
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self.config.set_value("modbus.host", host)
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self.config.set_value("modbus.port", port)
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self.config.save_config()
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# 发送信号
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self.settings_changed.emit()
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# 提示成功
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QMessageBox.information(self, "成功", "PLC配置已保存")
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logging.info(f"已保存PLC配置: host={host}, port={port}")
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except Exception as e:
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logging.error(f"保存PLC配置失败: {str(e)}")
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QMessageBox.critical(self, "错误", f"保存PLC配置失败: {str(e)}")
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def test_modbus_connection(self):
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"""测试Modbus连接"""
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try:
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# 获取输入值
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host = self.modbus_host_input.text().strip()
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port = self.modbus_port_input.text().strip()
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# 验证输入
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if not host:
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QMessageBox.warning(self, "警告", "请输入Modbus主机地址")
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return
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if not port:
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QMessageBox.warning(self, "警告", "请输入Modbus端口")
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return
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try:
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port_int = int(port)
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except ValueError:
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QMessageBox.warning(self, "警告", "端口号必须是整数")
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return
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# 导入ModbusUtils
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from utils.modbus_utils import ModbusUtils
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# 创建Modbus连接
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modbus = ModbusUtils(host=host, port=port_int)
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client = modbus.get_client()
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if client:
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QMessageBox.information(self, "成功", f"Modbus连接成功: {host}:{port}")
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logging.info(f"Modbus连接测试成功: {host}:{port}")
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else:
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QMessageBox.warning(self, "警告", f"Modbus连接失败: {host}:{port}")
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logging.warning(f"Modbus连接测试失败: {host}:{port}")
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# 关闭连接
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modbus.close_client(client)
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except Exception as e:
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logging.error(f"测试Modbus连接失败: {str(e)}")
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QMessageBox.critical(self, "错误", f"测试Modbus连接失败: {str(e)}")
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def on_settings_changed(self):
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"""设置变更处理"""
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# 重新加载配置
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self.load_config()
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