self.thread = (MyThread(self.fold_upload, flag, client_path, server_path) if flag == 0 else MyThread(self.fold_download, flag, client_path, server_path)) self.thread.stop_sig.connect(self.start_transfer_tasks)
时间: 2023-06-19 08:06:27 浏览: 35
这段代码是在创建一个线程对象,并根据传入的 `flag` 值选择执行上传或下载操作。如果 `flag` 的值为 0,那么就创建一个上传线程对象,否则创建一个下载线程对象。创建线程对象的过程中,需要传入参数 `self.fold_upload` 或 `self.fold_download`,这两个方法分别执行上传或下载操作。最后,将线程的 `stop_sig` 信号连接到 `self.start_transfer_tasks` 方法中。这段代码的作用是实现客户端与服务器之间的文件传输。
相关问题
使用QTimer对象代替QBasicTimer对象,修改程序class MyWindow(QWidget): def init(self): super().init() self.thread_list = [] self.color_photo_dir = os.path.join(os.getcwd(), "color_photos") self.depth_photo_dir = os.path.join(os.getcwd(), "depth_photos") self.image_thread = None self.saved_color_photos = 0 # 定义 saved_color_photos 属性 self.saved_depth_photos = 0 # 定义 saved_depth_photos 属性 self.init_ui() def init_ui(self): self.ui = uic.loadUi("C:/Users/wyt/Desktop/D405界面/intelrealsense1.ui") self.open_btn = self.ui.pushButton self.color_image_chose_btn = self.ui.pushButton_3 self.depth_image_chose_btn = self.ui.pushButton_4 self.open_btn.clicked.connect(self.open) self.color_image_chose_btn.clicked.connect(lambda: self.chose_dir(self.ui.lineEdit, "color")) self.depth_image_chose_btn.clicked.connect(lambda: self.chose_dir(self.ui.lineEdit_2, "depth")) def open(self): self.profile = self.pipeline.start(self.config) self.is_camera_opened = True self.label.setText('相机已打开') self.label.setStyleSheet('color:green') self.open_btn.setEnabled(False) self.close_btn.setEnabled(True) self.image_thread = ImageThread(self.pipeline, self.color_label, self.depth_label, self.interval, self.color_photo_dir, self.depth_photo_dir, self._dgl) self.image_thread.saved_color_photos_signal.connect(self.update_saved_color_photos_label) self.image_thread.saved_depth_photos_signal.connect(self.update_saved_depth_photos_label) self.image_thread.start() def chose_dir(self, line_edit, button_type): my_thread = MyThread(line_edit, button_type) my_thread.finished_signal.connect(self.update_line_edit) self.thread_list.append(my_thread) my_thread.start()
以下是使用QTimer对象代替QBasicTimer对象的修改后的代码:
```python
from PyQt5.QtCore import QTimer
class MyWindow(QWidget):
def __init__(self):
super().__init__()
self.thread_list = []
self.color_photo_dir = os.path.join(os.getcwd(), "color_photos")
self.depth_photo_dir = os.path.join(os.getcwd(), "depth_photos")
self.image_thread = None
self.saved_color_photos = 0
self.saved_depth_photos = 0
self.init_ui()
def init_ui(self):
self.ui = uic.loadUi("C:/Users/wyt/Desktop/D405界面/intelrealsense1.ui")
self.open_btn = self.ui.pushButton
self.color_image_chose_btn = self.ui.pushButton_3
self.depth_image_chose_btn = self.ui.pushButton_4
self.open_btn.clicked.connect(self.open)
self.color_image_chose_btn.clicked.connect(lambda: self.chose_dir(self.ui.lineEdit, "color"))
self.depth_image_chose_btn.clicked.connect(lambda: self.chose_dir(self.ui.lineEdit_2, "depth"))
def open(self):
self.profile = self.pipeline.start(self.config)
self.is_camera_opened = True
self.label.setText('相机已打开')
self.label.setStyleSheet('color:green')
self.open_btn.setEnabled(False)
self.close_btn.setEnabled(True)
self.image_thread = ImageThread(self.pipeline, self.color_label, self.depth_label, self.interval, self.color_photo_dir, self.depth_photo_dir, self._dgl)
self.image_thread.saved_color_photos_signal.connect(self.update_saved_color_photos_label)
self.image_thread.saved_depth_photos_signal.connect(self.update_saved_depth_photos_label)
self.image_thread.start()
self.timer = QTimer(self) # 创建QTimer对象
self.timer.timeout.connect(self.update) # 连接timeout信号与槽函数
self.timer.start(100) # 启动定时器,间隔为100ms
def update(self):
# 检查所有的线程是否已完成,并从线程列表中移除已完成的线程
for thread in self.thread_list:
if not thread.isRunning():
self.thread_list.remove(thread)
def chose_dir(self, line_edit, button_type):
my_thread = MyThread(line_edit, button_type)
my_thread.finished_signal.connect(self.update_line_edit)
self.thread_list.append(my_thread)
my_thread.start()
def update_saved_color_photos_label(self, count):
self.saved_color_photos = count
self.ui.label_5.setText(str(self.saved_color_photos))
def update_saved_depth_photos_label(self, count):
self.saved_depth_photos = count
self.ui.label_6.setText(str(self.saved_depth_photos))
```
import threading import sys global tickt_count = 0 class MyThread(threading.Thread): def __init__(self,name): threading.Thread.__init__(self,name=name) self.name = name self.tickts = 0 def run(self): while True: if (tickt_count>0): tickt_count -= 1 self.tickts += 1 print("%s售票机售出第%d号"%(self.name,tickt_count)) else: sys.exit(0) t1 = MyThread('Window1') t1.start() t2 = MyThread('Window2') t2.start() t3 = MyThread('Windou3') t3.start()这段代码为何出错
这段代码出错的原因是变量 `tickt_count` 没有被正确定义。应该将 `global tickt_count = 0` 改为 `tickt_count = 100`,并且应该在定义 `MyThread` 类之前。正确的代码应该如下所示:
```python
import threading
import sys
tickt_count = 100
class MyThread(threading.Thread):
def __init__(self,name):
threading.Thread.__init__(self,name=name)
self.name = name
self.tickts = 0
def run(self):
while True:
if (tickt_count>0):
tickt_count -= 1
self.tickts += 1
print("%s售票机售出第%d号"%(self.name,tickt_count))
else:
sys.exit(0)
t1 = MyThread('Window1')
t1.start()
t2 = MyThread('Window2')
t2.start()
t3 = MyThread('Windou3')
t3.start()
```
这样就能正确地运行了。