展示按钮 推送udp
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"""
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PCM_Report 看板查看器按钮模块
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使用方法：在 ui_main.py 中导入并调用 add_dashboard_button()
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"""
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import subprocess
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import sys
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import os
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from pathlib import Path
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from PySide6.QtWidgets import (
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QPushButton, QFileDialog, QMessageBox, QHBoxLayout, QWidget
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)
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def get_viewer_executable():
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"""
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获取看板查看器的可执行文件路径
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优先查找打包后的 exe，否则使用 Python 源文件
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"""
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# 获取当前程序所在目录
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if getattr(sys, 'frozen', False):
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# 打包后的环境
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current_dir = Path(sys.executable).parent
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else:
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# 开发环境
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current_dir = Path(__file__).parent
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# 1. 首先查找打包后的 exe（与当前程序同级目录）
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exe_path = current_dir / "PCM_Viewer.exe"
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if exe_path.exists():
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return str(exe_path), True # True 表示是 exe
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# 2. 查找开发环境的 Python 源文件
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dev_path = Path(r"F:\PyPro\PCM_Viewer\main.py")
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if dev_path.exists():
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return str(dev_path), False # False 表示是 py 文件
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# 3. 尝试相对路径（假设两个项目在同一目录下）
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relative_path = current_dir.parent / "PCM_Viewer" / "main.py"
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if relative_path.exists():
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return str(relative_path), False
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return None, False
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def add_dashboard_button(window, toolbar_layout: QHBoxLayout):
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"""
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在工具栏添加"打开看板"按钮
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Args:
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window: MainWindow 实例 (用于日志记录和消息框)
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toolbar_layout: 工具栏布局
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"""
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# 创建按钮
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open_viewer_btn = QPushButton("打开看板")
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open_viewer_btn.setToolTip("打开看板查看器 (全屏模式)")
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# 绑定点击事件
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def on_open_viewer():
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"""打开 PCM_Viewer 全屏展示"""
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# 选择布局文件
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file_path, _ = QFileDialog.getOpenFileName(
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window,
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"选择看板布局文件",
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"",
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"JSON文件 (*.json)"
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)
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if not file_path:
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return
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# 检查文件是否存在
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if not Path(file_path).exists():
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QMessageBox.warning(window, "警告", "选择的文件不存在！")
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return
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# 获取查看器可执行文件
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viewer_path, is_exe = get_viewer_executable()
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if not viewer_path:
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QMessageBox.critical(
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window,
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"错误",
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"未找到看板查看器程序！\n"
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"请确保 PCM_Viewer.exe 或 main.py 存在。"
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)
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return
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# 启动 PCM_Viewer 子进程
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try:
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if is_exe:
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# 打包后的 exe，直接运行
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cmd = [viewer_path, file_path, "--fullscreen"]
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else:
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# Python 源文件，使用 python 解释器运行
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cmd = ["python", viewer_path, file_path, "--fullscreen"]
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# 使用 subprocess.Popen 启动独立进程
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subprocess.Popen(
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cmd,
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shell=False, # 不使用 shell，更安全
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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# 设置工作目录为查看器所在目录
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cwd=os.path.dirname(viewer_path) if is_exe else None
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)
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# 记录日志
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if hasattr(window, 'logger'):
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window.logger.info(f"已启动看板查看器: {viewer_path} {file_path}")
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except Exception as e:
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QMessageBox.critical(window, "错误", f"启动看板失败: {str(e)}")
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if hasattr(window, 'logger'):
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window.logger.error(f"启动看板失败: {e}")
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open_viewer_btn.clicked.connect(on_open_viewer)
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# 添加到工具栏
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toolbar_layout.addWidget(open_viewer_btn)
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return open_viewer_btn
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# 兼容直接复制到 ui_main.py 的函数形式
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def open_dashboard_viewer(window):
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"""
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打开 PCM_Viewer 全屏展示（可直接复制到 ui_main.py 使用）
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"""
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# 选择布局文件
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file_path, _ = QFileDialog.getOpenFileName(
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window,
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"选择看板布局文件",
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"",
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"JSON文件 (*.json)"
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)
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if not file_path:
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return
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# 检查文件是否存在
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if not Path(file_path).exists():
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QMessageBox.warning(window, "警告", "选择的文件不存在！")
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return
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# 获取查看器可执行文件
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viewer_path, is_exe = get_viewer_executable()
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if not viewer_path:
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QMessageBox.critical(
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window,
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"错误",
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"未找到看板查看器程序！\n"
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"请确保 PCM_Viewer.exe 或 main.py 存在。"
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)
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return
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# 启动 PCM_Viewer 子进程
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try:
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if is_exe:
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# 打包后的 exe，直接运行
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cmd = [viewer_path, file_path, "--fullscreen"]
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else:
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# Python 源文件，使用 python 解释器运行
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cmd = ["python", viewer_path, file_path, "--fullscreen"]
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subprocess.Popen(
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cmd,
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shell=False,
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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cwd=os.path.dirname(viewer_path) if is_exe else None
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)
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if hasattr(window, 'logger'):
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window.logger.info(f"已启动看板查看器: {viewer_path} {file_path}")
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except Exception as e:
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QMessageBox.critical(window, "错误", f"启动看板失败: {str(e)}")
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if hasattr(window, 'logger'):
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window.logger.error(f"启动看板失败: {e}")
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130
ui_main.py
130
ui_main.py
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@ -1,6 +1,6 @@
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from pathlib import Path
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from typing import Dict, Callable, Optional, List, Tuple
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import subprocess
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from PySide6.QtCore import QTimer, QThread, QObject, Signal, QUrl, QUrlQuery, QDateTime, Qt
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from PySide6.QtGui import QDesktopServices, QFont
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from PySide6.QtWidgets import (
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@ -1219,7 +1219,17 @@ class MainWindow(QMainWindow):
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self.power_off_btn.setFixedHeight(36)
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self.power_off_btn.clicked.connect(self._power_off_experiment_table)
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toolbar_layout.addWidget(self.power_off_btn)
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# 数据展示按钮（放在上电和断电之间）
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self.data_display_btn = QPushButton("数据展示")
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self.data_display_btn.setStyleSheet(
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"QPushButton { font-weight:700; font-size:13px; color:white;"
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"padding:8px 20px; border-radius:6px; background-color:#2196f3; }"
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"QPushButton:hover { background-color:#1976d2; }"
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)
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self.data_display_btn.setCursor(Qt.PointingHandCursor)
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self.data_display_btn.setFixedHeight(36)
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self.data_display_btn.clicked.connect(self._open_dashboard_viewer)
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toolbar_layout.addWidget(self.data_display_btn)
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# 开始记录按钮（仅Debug模式显示）
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self.start_exp_btn = QPushButton("开始记录")
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self.start_exp_btn.setStyleSheet(
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@ -5483,6 +5493,122 @@ class MainWindow(QMainWindow):
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self.statusBar().showMessage(f"❌ 实验台断电异常: {e}", 5000)
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QMessageBox.critical(self, "错误", f"实验台断电时发生异常: {str(e)}")
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def _open_dashboard_viewer(self):
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"""打开 PCM_Viewer 全屏展示"""
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# 选择布局文件
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file_path, _ = QFileDialog.getOpenFileName(
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self,
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"选择看板布局文件",
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"",
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"JSON文件 (*.json)"
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)
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if not file_path:
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return
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# 检查文件是否存在
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from pathlib import Path
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if not Path(file_path).exists():
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QMessageBox.warning(self, "警告", "选择的文件不存在！")
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return
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# 启动 PCM_Viewer 子进程（隐藏模式，通过UDP通信）
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try:
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self._start_pcm_viewer(file_path)
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except Exception as e:
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QMessageBox.critical(self, "错误", f"启动看板失败: {str(e)}")
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self.logger.error(f"启动看板失败: {e}")
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def _start_pcm_viewer(self, layout_path: str, udp_port: int = 9876):
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"""启动 PCM_Viewer 并通过 UDP 发送显示命令
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Args:
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layout_path: 布局文件路径
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udp_port: UDP 通信端口
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"""
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import socket
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import json
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import subprocess
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import time
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import os
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viewer_path = r"F:\PyPro\PCM_Viewer\dist\PCM_Viewer.exe"
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# 检查 PCM_Viewer 是否已在运行（通过UDP探测）
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viewer_running = self._check_viewer_running(udp_port)
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if not viewer_running:
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# 启动 PCM_Viewer（隐藏模式）
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self.logger.info("启动 PCM_Viewer...")
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subprocess.Popen(
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[viewer_path, "--hidden"],
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shell=False,
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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creationflags=subprocess.CREATE_NO_WINDOW # 不显示控制台窗口
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)
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# 等待 PCM_Viewer 启动
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time.sleep(1.5)
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# 通过 UDP 发送显示命令
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self._send_udp_command({
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'action': 'show_and_fullscreen',
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'path': layout_path
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}, udp_port)
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self.logger.info(f"已发送显示命令: {layout_path}")
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def _check_viewer_running(self, port: int = 9876) -> bool:
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"""检查 PCM_Viewer 是否已在运行
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Args:
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port: UDP 端口
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Returns:
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bool: 是否运行中
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"""
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import socket
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try:
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(0.5)
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# 发送探测命令
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sock.sendto(b'ping', ('127.0.0.1', port))
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sock.close()
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return True
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except:
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return False
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def _send_udp_command(self, command: dict, port: int = 9876):
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"""发送 UDP 命令到 PCM_Viewer
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Args:
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command: 命令字典
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port: UDP 端口
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"""
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import socket
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import json
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try:
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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message = json.dumps(command, ensure_ascii=False)
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sock.sendto(message.encode('utf-8'), ('127.0.0.1', port))
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sock.close()
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except Exception as e:
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self.logger.error(f"发送UDP命令失败: {e}")
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raise
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def _show_pcm_viewer(self):
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"""显示 PCM_Viewer 窗口（用于菜单或按钮调用）"""
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self._send_udp_command({'action': 'show'})
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def _hide_pcm_viewer(self):
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"""隐藏 PCM_Viewer 窗口"""
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self._send_udp_command({'action': 'hide'})
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def _exit_pcm_viewer(self):
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"""退出 PCM_Viewer"""
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self._send_udp_command({'action': 'exit'})
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def _write_modbus_control_register(self, value: int) -> bool:
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"""通过原始Socket直接发送Modbus TCP报文写入控制寄存器1200
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完全抛弃pymodbus，使用最底层的socket通信，模拟Modbus Poll的行为
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