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Feeding_control_system/service/pdrecord_query_thread.py

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from PySide6.QtWidgets import QWidget
from PySide6.QtCore import QThread, Signal
from busisness.blls import PDRecordBll
from busisness.models import PDRecordModel
class PDRecordQueryThread(QThread):
# 定义信号:子线程查询完成
query_finished = Signal(list)
# 定义信号:发送错误信息
query_error = Signal(str)
def __init__(self):
super().__init__()
def run(self):
try:
pdrecord_dal = PDRecordBll()
pdrecords = pdrecord_dal.get_PD_record() # 获取派单任务数据
if pdrecords:
# 查询完成,发射信号
self.query_finished.emit(pdrecords)
else:
raise ValueError("未查询到有效数据")
except Exception as e:
print(f"更新派单任务数据失败: {str(e)}")
self.query_error.emit(f"更新派单任务数据失败: {str(e)}")