pyqt进度条用多线程

 

import os, sys

from PyQt5 import QtCore

import untitled
from PyQt5.QtCore import QBasicTimer, QThread
from PyQt5.QtWidgets import QDialog, QApplication
import win32api, win32con
import shutil


class MainDialog(QDialog):

    def __init__(self):

        super(QDialog, self).__init__()
        self.ui1 = untitled.Ui_Dialog()
        self.ui1.setupUi(self)

        # self.time = QBasicTimer()
        # self.timeid = self.time.start(100, self)
        self.Threadclass = Threadclass()
        self.Threadclass.start()
        self.Threadclass.signal_time.connect(self.updateprogressBarandlabel)


    def updateprogressBarandlabel(self, file,val):
        self.ui1.label.setText(file)
        self.ui1.progressBar.setValue(val)
# #这是在网上搜的说进度条循环的，但是如果有进程一样会卡死
#     def timerEvent(self, e):
#         # try:
#         self.ui1.label.setText(self.del_list[self.f])
#         if (self.f + 1) >= len(self.del_list):
#             if len(self.delsuccess) == 0:
#                 win32api.MessageBox(0, "没有成功删除文件" + str(self.del_list[self.f]) + "，请联系信息部", "提醒", win32con.MB_OK)
#                 sys.exit(0)
#             else:
#                 win32api.MessageBox(0, "成功删除" + self.delsuccess.__str__(), "提醒", win32con.MB_OK)
#                 sys.exit(0)
#
#         self.ui1.progressBar.setValue(int((self.f + 1) / (self.dellistsize) * 100))
#
#     # except BaseException as e:
#     #     print(e)
#     # sys.exit(0)
#
#     def work(self):
#
#         if os.path.exists(self.filepath):
#             if os.listdir(self.filepath):
#                 self.dellistsize = len(self.del_list)
#                 for self.f in range(0, self.dellistsize):
#                     if self.del_list[self.f] == "Program Files" or self.del_list[self.f] == "Program Files(X86)":
#                         win32api.MessageBox(0, "系统文件无法删除", "提醒", win32con.MB_OK)
#                     else:
#                         try:
#                             file_path = os.path.join(self.filepath, self.del_list[self.f])
#                             if os.path.isfile(file_path):
#                                 os.remove(file_path)
#                             elif os.path.isdir(file_path):
#                                 shutil.rmtree(file_path)
#                             self.delsuccess.append(file_path)
#                         except BaseException as e:
#                             win32api.MessageBox(0, str(e), "提醒", win32con.MB_OK)
#
#
#
#
#         else:
#             win32api.MessageBox(0, "文件不存在", "提醒", win32con.MB_OK)


class Threadclass(QThread):
    signal_time = QtCore.pyqtSignal(str, int)  # 信号

    def __init__(self, parent=None):
        super(Threadclass, self).__init__(parent)
        self.filepath = "C:/BACKUP"
        self.delsuccess = []
        self.f = 0


        if os.path.exists(self.filepath):
            try:
                if not os.listdir(self.filepath):
                    win32api.MessageBox(0, "升级备份文件为空，不需要删除", "提醒", win32con.MB_OK)
                    self.exec()
                else:
                    self.del_list = os.listdir(self.filepath)
                    print(1)
            except BaseException as e:
                # win32api.MessageBox(0, str(e), "提醒", win32con.MB_OK)
                print(e)
        else:
            win32api.MessageBox(0, "没有要删的文件，直接关闭就好", "提醒", win32con.MB_OK)
        if os.path.exists(self.filepath):
            if os.listdir(self.filepath):
                self.dellistsize = len(self.del_list)
                for self.f in range(0, self.dellistsize):
                    # 发送信号
                    self.signal_time.emit(self.del_list[self.f], int((self.f + 1) / (self.dellistsize) * 100))
                    if self.del_list[self.f] == "Program Files" or self.del_list[self.f] == "Program Files(X86)":
                        win32api.MessageBox(0, "系统文件无法删除", "提醒", win32con.MB_OK)
                    else:
                        try:
                            file_path = os.path.join(self.filepath, self.del_list[self.f])
                            if os.path.isfile(file_path):
                                os.remove(file_path)
                            elif os.path.isdir(file_path):
                                shutil.rmtree(file_path)
                            self.delsuccess.append(file_path)
                        except BaseException as e:
                            win32api.MessageBox(0, str(e), "提醒", win32con.MB_OK)
                if len(self.delsuccess) == 0:
                    win32api.MessageBox(0, "如果这是您第二次运行，看到词条消息表面已经删除成功了。如果是第一次运行此程序，则表明没有成功删除文件" + str(self.del_list[self.f]) + "，请联系信息部", "提醒", win32con.MB_OK)
                    self.exec()
                else:
                    win32api.MessageBox(0, "成功删除" + self.delsuccess.__str__(), "提醒", win32con.MB_OK)
                    self.exec()
        else:
            win32api.MessageBox(0, "文件不存在", "提醒", win32con.MB_OK)



if __name__ == '__main__':
    myapp = QApplication(sys.argv)
    # 创建启动界面，支持png透明图片
    myDlg = MainDialog()
    myDlg.show()
    # myDlg.work()
    sys.exit(myapp.exec_())
# pyinstaller -F -i 顶立科技.ico -n "清除绿盾升级文件" -w  1.py