pengqi/zjsh_weight_system_ui
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添加上料斗、下料斗存在错误信息时（表示付工那边没有连接上重量客户端），状态图标显示没连接，并且重量数据清0

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pengqi
2025-11-17 16:02:46 +08:00
parent ccc794d158
commit cfaf1d5d92
4 changed files with 66 additions and 12 deletions
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4
config/config.json
View File

@ -1,4 +1,4 @@
{
"hopper_up_weight": 1111,
"hopper_down_weight": 6524
"hopper_up_weight": "666666",
"hopper_down_weight": "5444444"
}

24
main_window.py
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@ -98,16 +98,28 @@ class MainWindow(QWidget):
def bind_signals(self):
"""绑定TCP信号到弹窗更新函数"""
self.tcp_client.weight_updated.connect(self.update_weight_dialogs) # 绑定更新重量信息的信号槽
# 连接状态信号：更新按钮状态和弹窗图标
# 连接状态信号：更新状态图标
self.tcp_client.connection_status_changed.connect(self.update_connection_status)
# 上料斗重量信息更新失败信号：更新状态图标
self.tcp_client.upper_weight_error.connect(self.upper_weight_status) # 重量信息更新失败信号
# 下料斗重量信息更新失败信号：更新状态图标
self.tcp_client.down_weight_error.connect(self.down_weight_status) # 重量信息更新失败信号
# 启动 TCP 连接
print(f"客户端启动，自动连接服务端{self.tcp_client.tcp_server_host}:{self.tcp_client.tcp_server_port}...")
self.tcp_client._connect_to_server()
def down_weight_status(self, is_error):
"""发送上料斗错误信息，更新连接状态"""
self.weight_dialog2._update_status_icon2(is_error)
def upper_weight_status(self, is_error):
"""发送下料斗错误信息，更新连接状态"""
self.weight_dialog1._update_status_icon2(is_error)
def update_connection_status(self, is_connected):
"""更新连接状态"""
self.weight_dialog1._update_status_icon(is_connected)
self.weight_dialog2._update_status_icon(is_connected)
"""根据服务端是否连接，更新连接状态"""
self.weight_dialog1._update_status_icon1(is_connected)
self.weight_dialog2._update_status_icon1(is_connected)
def update_weight_dialogs(self, data):
"""更新上料斗、下料斗重量显示"""
@ -124,6 +136,6 @@ if __name__ == "__main__":
import sys
app = QApplication([])
window = MainWindow()
# window.show() # 显示主界面
window.showFullScreen() # 全屏显示主界面
window.show() # 显示主界面
# window.showFullScreen() # 全屏显示主界面
sys.exit(app.exec())

31
tcp_client.py
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@ -22,6 +22,8 @@ class TcpClient(QObject):
# 信号，用于向主窗口/重量弹窗发送最新重量数据
weight_updated = Signal(dict) # 重量更新信号
connection_status_changed = Signal(bool) # 连接状态更新信号
upper_weight_error = Signal(bool) # 上料斗重量异常信号
down_weight_error = Signal(bool) # 下料斗重量异常信号
def __init__(self, parent=None):
super().__init__(parent)
@ -96,6 +98,9 @@ class TcpClient(QObject):
# 发送连接状态信号
self.connection_status_changed.emit(True)
# 重量错误状态信号（连接成功后恢复正常图标）
self.upper_weight_error.emit(False)
self.down_weight_error.emit(False)
# 连接成功后，向服务器发送“请求初始数据”指令
self._send_tcp_request("get_initial_data")
@ -110,7 +115,7 @@ class TcpClient(QObject):
self.connection_status_changed.emit(False)
# 发送重量清零信号
self.weight_updated.emit({"hopper_up_weight": 0, "hopper_down_weight": 0})
self.weight_updated.emit({"hopper_up_weight": 0, "hopper_down_weight": ""})
if not self.reconnect_timer.isActive(): # 未启动重连定时器时才启动
print(f"连接断开，将在{RECONNECT_INTERVAL / 1000}秒后启动重连...")
@ -126,7 +131,28 @@ class TcpClient(QObject):
try:
status_data = json.loads(tcp_data)
self.latest_json_data = status_data
# 错误检测
up_weight = status_data.get("hopper_up_weight")
down_weight = status_data.get("hopper_down_weight")
# 顺序不能变
if up_weight == "error" and down_weight == "error":
self.weight_updated.emit({"hopper_up_weight": "", "hopper_down_weight": ""})
self.upper_weight_error.emit(True)
self.down_weight_error.emit(True)
elif up_weight == "error":
self.weight_updated.emit({"hopper_up_weight": "", "hopper_down_weight": down_weight})
self.upper_weight_error.emit(True)
elif down_weight == "error":
self.weight_updated.emit({"hopper_up_weight": up_weight, "hopper_down_weight": ""})
self.down_weight_error.emit(True)
else:
# 防止打乱服务端连接时的状态图标变换
self.weight_updated.emit(status_data)
self.upper_weight_error.emit(False)
self.down_weight_error.emit(False)
except json.JSONDecodeError as e:
print(f"TCP数据解析失败（非JSON格式）：{e}, 原始数据：{tcp_data}")
except Exception as e:
@ -143,6 +169,9 @@ class TcpClient(QObject):
# 发送连接断开信号
self.connection_status_changed.emit(False)
# 错误时重置重量和错误状态
self.weight_updated.emit({"hopper_up_weight": "", "hopper_down_weight": ""})
self.weight_error_signal.emit(False)
# 首次连接失败时，启动重连定时器
if not self.reconnect_timer.isActive():

17
weight_dialog.py
View File

@ -105,7 +105,8 @@ class WeightDetailsDialog(QDialog):
# 2、创建确认图标
self.check_label = QLabel()
self._update_status_icon(False)
self._update_status_icon1(False)
self._update_status_icon2(False)
weight_layout.addWidget(self.check_label)
weight_layout.setSpacing(50)
@ -197,7 +198,7 @@ class WeightDetailsDialog(QDialog):
for i in range(min(len(self.digit_labels), 6)):
self.digit_labels[i].setText(weight_str[i] if i < len(weight_str) else "0")
def _update_status_icon(self, is_connected):
def _update_status_icon1(self, is_connected):
"""根据连接状态切换图标"""
if not self.check_label:
return
@ -209,6 +210,18 @@ class WeightDetailsDialog(QDialog):
else:
print(f"错误：{icon_path} 加载失败，请检查路径！")
def _update_status_icon2(self, is_error):
"""根据是否有错误信息，切换图标"""
if not self.check_label:
return
icon_path = self.default_icon_path if is_error else self.connected_icon_path
pixmap = QPixmap(icon_path)
if not pixmap.isNull():
self.check_label.setPixmap(pixmap.scaled(
pixmap.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
else:
print(f"错误：{icon_path} 加载失败，请检查路径！")
# --------------------
# 清空界面信息的通用方法
# --------------------