main_layout.addWidget(button_7, 1, 0) main_layout.addWidget(button_8, 1, 1) main_layout.addWidget(button_9, 1, 2) main_layout.addWidget(button_divide, 1, 3) main_layout.addWidget(button_4, 2, 0) main_layout.addWidget(button_5, 2, 1) main_layout.addWidget(button_6, 2, 2) main_layout.addWidget(button_multiply, 2, 3) main_layout.addWidget(button_1, 3, 0) main_layout.addWidget(button_2, 3, 1) main_layout.addWidget(button_3, 3, 2) main_layout.addWidget(button_subtract, 3, 3) main_layout.addWidget(button_0, 4, 0) main_layout.addWidget(button_clear, 4, 1, 1, 2) main_layout.addWidget(button_add, 4, 3) main_layout.addWidget(button_equal, 5, 0, 1, 4)

from PyQt5.QtWidgets import QApplication, QWidget, QRadioButton, QHBoxLayout, QVBoxLayout, QPushButton app = QApplication([]) # 创建主窗口 window = QWidget() # 创建选项按钮组 option_1 = QRadioButton("A") option_2 = QRadioButton("B") option_3 = QRadioButton("C") option_4 = QRadioButton("D") # 创建按钮布局 options_layout = QHBoxLayout() options_layout.addWidget(option_1) options_layout.addWidget(option_2) options_layout.addWidget(option_3) options_layout.addWidget(option_4) # 创建下一题按钮 next_question_button = QPushButton("下一题") # 创建主布局 main_layout = QVBoxLayout() main_layout.addLayout(options_layout) main_layout.addWidget(next_question_button) # 设置主布局 window.setLayout(main_layout) def clear_checked_option(): """取消当前选中的选项按钮""" for option in [option_1, option_2, option_3, option_4]: if option.isChecked(): option.setChecked(False) return # 当下一题按钮被点击时，取消当前选中的选项按钮 next_question_button.clicked.connect(clear_checked_option) # 显示窗口 window.show() # 运行应用程序 app.exec()把代码修改为当选中单选按钮后，再点击下一题按钮，单选按钮取消选中

option_1.toggled.connect(lambda: next_question_button.setEnabled(True)) option_2.toggled.connect(lambda: next_question_button.setEnabled(True)) option_3.toggled.connect(lambda: next_question_button....

class MainWindow(QMainWindow): def init(self): super().init() self.setFixedSize(800, 600) main_layout = QVBoxLayout() central_widget = QWidget() central_widget.setLayout(main_layout) self.setCentralWidget(central_widget) button_layout = QVBoxLayout() button1 = QPushButton('当日员工工资') button1.setFixedSize(200, 50) button1.clicked.connect(self.show_query1_result) button_layout.addStretch() button_layout.addWidget(button1) button_layout.addStretch() layout = QHBoxLayout() layout.addStretch() layout.addLayout(button_layout) layout.addStretch() widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) main_layout.addLayout(button_layout) self.query1_window = QueryResultWindow() def show_query1_result(self): db = pymysql.connect(host='39.99.214.172', user='root', password='Solotion.123', db='jj_tset') cursor = db.cursor() db_sql = """ """ cursor.execute(db_sql) result = cursor.fetchall() db.close() if len(result) == 0: QMessageBox.information(self, "提示", "今日无员工工资记录") return self.query1_window.table_widget.setRowCount(0) self.query1_window.table_widget.setColumnCount(len(result[0])) self.query1_window.table_widget.setHorizontalHeaderLabels( ["员工ID", "员工姓名", "日期", "领取鸡爪重量（KG）", "效率（每小时KG）", "出成率", "基础工资", "重量奖励", "当日总工资"]) for row_num, row_data in enumerate(result): self.query1_window.table_widget.insertRow(row_num) for col_num, col_data in enumerate(row_data): self.query1_window.table_widget.setItem(row_num, col_num, QTableWidgetItem(str(col_data))) self.query1_window.show() class QueryResultWindow(QWidget): def init(self): super().init() self.setFixedSize(800, 600) self.table_widget = QTableWidget() self.table_widget.setEditTriggers(QTableWidget.NoEditTriggers) self.table_widget.setSelectionBehavior(QTableWidget.SelectRows) layout = QVBoxLayout() layout.addWidget(self.table_widget) self.setLayout(layout) if name == 'main': app = QApplication(sys.argv) loginWindow = LoginWindow() loginWindow.show() sys.exit(app.exec_()))数据展示页面怎么设置筛选器按ID筛选结果并展示的整体代码

button_layout.addWidget(button1) button_layout.addStretch() layout = QHBoxLayout() layout.addStretch() layout.addLayout(button_layout) layout.addStretch() widget = QWidget() widget.setLayout...

class MainWindow(QMainWindow): def init(self): super().init() self.setWindowTitle("Qt Window with SQLite") # 創建佈局和主窗口部件 layout = QVBoxLayout() central_widget = QWidget(self) central_widget.setLayout(layout) self.setCentralWidget(central_widget) # 創建文本框和按鈕 self.text_edit = QLineEdit() layout.addWidget(self.text_edit) save_button = QPushButton("Save") save_button.clicked.connect(self.save_data) layout.addWidget(save_button) show_button = QPushButton("Show") show_button.clicked.connect(self.show_data) layout.addWidget(show_button)修改這個窗口，左邊放輸入框和按鈕，右邊展示文本框和列表框，用來顯示數據

left_layout.addWidget(save_button) # 创建右侧布局 right_layout = QVBoxLayout() right_widget = QWidget() right_widget.setLayout(right_layout) # 创建文本框和列表框 self.text_area = QTextEdit() ...

def initUI(self): self.setWindowTitle(self.title) screen = QApplication.primaryScreen() size = screen.size() self.setGeometry((size.width() - self.width) // 2, (size.height() - self.height) // 2, self.width, self.height) # Prompt Label and Edit box prompt_label = QLabel('对象:', self) prompt_label.setStyleSheet('color: #222; font-size: 30px; margin-bottom: 10px; font-weight: bold;') self.prompt_edit = QTextEdit(self) self.prompt_edit.setStyleSheet('color: #333; font-size: 24px; border: 1px solid #ccc; padding: 5px;') prompt_layout = QHBoxLayout() prompt_layout.addWidget(prompt_label) prompt_layout.addWidget(self.prompt_edit) # Question Label and Edit box question_label = QLabel('问题:', self) question_label.setStyleSheet('color: #222; font-size: 30px; margin-bottom: 10px; font-weight: bold;') self.question_edit = QTextEdit(self) self.question_edit.setStyleSheet('color: #333; font-size: 24px; border: 1px solid #ccc; padding: 5px;') question_layout = QHBoxLayout() question_layout.addWidget(question_label) question_layout.addWidget(self.question_edit) liangge_layout_layout = QVBoxLayout() liangge_layout_layout.addLayout(prompt_layout) liangge_layout_layout.addLayout(question_layout) # Adding submit button to question layout self.submit_btn = QPushButton('发送', self) self.submit_btn.setFixedWidth(150) self.submit_btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding) self.submit_btn.setStyleSheet('color: #fff; background-color: #20639b; border: none; font-size: 24px; padding: 10px; border-radius: 5px;') self.submit_btn.clicked.connect(self.on_submit) # Change layout of question and submit button using QHBoxLayout question_submit_layout = QHBoxLayout() question_submit_layout.addLayout(liangge_layout_layout) question_submit_layout.addWidget(self.submit_btn) # JSON response Label and Edit box json_response_label = QLabel('回复:', self) json_response_label.setStyleSheet('color: #222; font-size: 30px; margin-bottom: 10px; font-weight: bold;') self.json_response_edit = QTextEdit(self) self.json_response_edit.setStyleSheet('color: #333; font-size: 24px; border: 1px solid #ccc; padding: 5px;') json_response_layout = QHBoxLayout() json_response_layout.addWidget(json_response_label) json_response_layout.addWidget(self.json_response_edit) # Main layout main_layout = QVBoxLayout() main_layout.setSpacing(20) main_layout.addLayout(question_submit_layout) main_layout.addLayout(json_response_layout) main_layout.setContentsMargins(30, 30, 30, 30) self.setLayout(main_layout) self.show()如何让按钮文本内容竖着显示？

你可以使用QPushButton的setStyleSheet方法设置按钮的样式表，将文本旋转90度，例如： self.submit_btn.setStyleSheet('color: #fff; background-color: #20639b; border: none; font-size: 24px;...

def query(self, sql): # 创建一个新窗口，并设置其属性 new_window = QWidget(self) new_window.setWindowTitle("添加员工信息") new_window.setGeometry(100, 100, 800, 600) # 创建返回按钮并设置其属性 return_button = QPushButton("返回", new_window) return_button.setGeometry(10, 10, 50, 30) return_button.clicked.connect(new_window.close) # 执行 SQL 查询语句 self.cursor.execute(sql) # 获取查询结果并显示在表格中 rows = self.cursor.fetchall() self.table = QTableWidget() if rows: self.table.setRowCount(len(rows)) self.table.setColumnCount(len(rows[0])) for i, row in enumerate(rows): for j, col in enumerate(row): item = QTableWidgetItem(str(col)) self.table.setItem(i, j, item) self.table.setHorizontalHeaderLabels(["部门", "姓名", "性别", '职位', '工号', '状态']) self.table.horizontalHeader().setVisible(True) # 将表格添加到新窗口中 self.v_layout = QVBoxLayout(new_window) self.v_layout.addWidget(self.table) self.v_layout.addWidget(return_button) # 显示新窗口 new_window.setLayout(self.v_layout) new_window.show()在这个例子中如何在打开新窗口时关闭父窗口

self.v_layout.addWidget(return_button) # 显示新窗口 new_window.setLayout(self.v_layout) new_window.show() # 隐藏父窗口 self.hide() 在这个函数中，我们在打开查询窗口时将父窗口的引用传递给 ...

请分析一下代码，为什么没有控件展示出来class LoginWindow(QWidget): def init(self,screen_size): super().init() self.setWindowTitle("登录界面") self.setGeometry(screen_size[0], screen_size[1], screen_size[2], screen_size[3]) self.screen_size_list = screen_size # 创建标签、文本框和按钮 self.username_label = QLabel("用户名:") self.username_input = QLineEdit() self.password_label = QLabel("密码:") self.password_input = QLineEdit() self.login_button = QPushButton("登录") # 设置密码输入框为密码模式 self.password_input.setEchoMode(QLineEdit.Password) # 使用绝对布局的情况下 self.username_label.move(175,145) self.username_input.move(255,145) self.password_label.move(175,185) self.password_input.move(255,185) self.login_button.move(220,225) self.username_label.setFixedSize(80,30) self.username_input.setFixedSize(160,30) self.password_label.setFixedSize(80,30) self.password_input.setFixedSize(160,30) self.login_button.setFixedSize(160,30) # # 创建布局并添加小部件 # main_layout = QVBoxLayout() # layout = QGridLayout() # # layout.setSpacing(5) # layout.addWidget(self.username_label,0,0,1,1) # layout.addWidget(self.username_input,0,1,1,2) # layout.addWidget(self.password_label,1,0,1,1) # layout.addWidget(self.password_input,1,1,1,2) # layout.addWidget(self.login_button,2,1,1,1) # # 设置布局 # self.setLayout(layout) # 连接按钮的点击事件到登录函数 self.login_button.clicked.connect(self.login)

这段代码是一个登录界面的窗口类，继承自QWidget。在初始化函数__init__中，进行了一系列的操作来设置窗口的属性和创建控件。首先设置了窗口的标题和几何位置，使用了screen_size参数来确定窗口的位置和大小。...

import sys from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QVBoxLayout class MainWindow(QWidget): def init(self, data): super().init() # 创建界面元素 self.label1 = QLabel("坐标") self.label4 = QLabel("类别") self.button1 = QPushButton("1 ") self.button2 = QPushButton("2 ") self.button3 = QPushButton("3 ") self.button4 = QPushButton("4 ") self.button = QPushButton("确定") self.exit_button = QPushButton("退出") # 创建布局管理器 layout = QVBoxLayout() layout.addWidget(self.label1) layout.addWidget(self.label4) layout.addWidget(self.button1) layout.addWidget(self.button2) layout.addWidget(self.button3) layout.addWidget(self.button4) layout.addWidget(self.button) layout.addWidget(self.exit_button) # 退出 # 设置界面布局 self.setLayout(layout) # 为按钮添加点击事件 self.button1.clicked.connect(lambda: self.show_info(data[0])) self.button2.clicked.connect(lambda: self.show_info(data[1])) self.button3.clicked.connect(lambda: self.show_info(data[2])) self.button4.clicked.connect(lambda: self.show_info(data[3])) self.button.clicked.connect(lambda: self.show_upper_info())#确定 self.exit_button.clicked.connect(lambda: self.close()) # 为退出按钮添加点击事件 self.setFixedSize(500, 300) def show_info(self, info): # 显示信息 self.label1.setText("坐标：" + str(info[0])+","+str(info[1])+","+str(info[2])+","+str(info[3])) self.label4.setText("类别：" + str(info[4])) def show_upper_info(self): # 获取当前显示的信息 upper_info = self.label1.text() + "\n" + self.label4.text() # 在控制台输出上位机信息 print("\n" + upper_info) if name == 'main': # 假设这是程序输出的信息 data = [ [123, 456,"宽","高", "类别"], [234, 567,"宽", "高", "类别"], [345, 678, "宽", "高", "类别"], [456, 789, "宽", "高", "类别"], ] # 创建应用程序和窗口 app = QApplication(sys.argv) window = MainWindow(data) window.show() # 运行应用程序 sys.exit(app.exec_())将这个程序中data的输入改为另一个程序的print输出

layout.addWidget(self.button1) layout.addWidget(self.button2) layout.addWidget(self.button3) layout.addWidget(self.button4) layout.addWidget(self.button) layout.addWidget(self.exit_button) ...

class MainWindow(QMainWindow): def init(self): super().init() # 设置主窗口大小 self.setFixedSize(800, 600) self.setWindowFlags(Qt.WindowMinimizeButtonHint | Qt.WindowMaximizeButtonHint | Qt.WindowCloseButtonHint) # 创建主窗口布局 main_layout = QVBoxLayout() central_widget = QWidget() central_widget.setLayout(main_layout) self.setCentralWidget(central_widget) # 创建两个竖向按钮 button_layout = QVBoxLayout() button1 = QPushButton('当日员工工资') button1.setFixedSize(200, 50) button1.clicked.connect(self.show_query1_result) button_layout.addStretch() button_layout.addWidget(button1) button_layout.addStretch() layout = QHBoxLayout() layout.addStretch() layout.addLayout(button_layout) layout.addStretch() widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) # 将按钮布局添加到主窗口布局中 main_layout.addLayout(button_layout) # 创建两个窗口用于展示查询结果 self.query1_window = QueryResultWindow() def show_query1_result(self): # 查询数据 db = pymysql.connect(host='39.99.214.172', user='root', password='Solotion.123', db='jj_tset') cursor = db.cursor() db_sql = """ SELECT ,salary + weight_reward total_salary from ( SELECT a.user_id,user_name,get_time,get_kg,efficiency,CONCAT(ROUND(ROUND(yield_rate,4) 100,2),'%') yield_rate,ROUND(get_kg * 2 * price,1) salary,CASE WHEN yield_rate > 0.64 and get_kg < 40 THEN kg1_price WHEN yield_rate > 0.64 and get_kg < 50 THEN kg2_price WHEN yield_rate > 0.64 and get_kg >= 50 THEN kg3_price WHEN yield_rate < 0.64 THEN 0 END as weight_reward FROM (SELECT user_id, DATE_FORMAT(get_time,'%Y-%m-%d') get_time, SUM(get_kg) get_kg,round(SUM(get_kg)/(SUM(duration_time)/3600),2) efficiency,AVG(yield_rate) yield_rate FROM em_salary WHERE DATE_FORMAT(get_time,'%Y-%m-%d') = DATE_FORMAT(DATE_SUB(NOW(),INTERVAL 0 DAY),'%Y-%m-%d') and recycle_kg IS NOT NULL GROUP BY user_id, DATE_FORMAT(get_time,'%Y-%m-%d')) a LEFT JOIN (SELECT user_id,name as user_name,price,kg1_price,kg2_price,kg3_price,yield_price FROM employee_table CROSS JOIN price_data ) d on a.user_id = d.user_id ) T """ cursor.execute(db_sql) result = cursor.fetchall() db.close() if len(result) == 0: QMessageBox.information(self, "提示", "今日无员工工资记录") return self.query1_window.table_widget.setRowCount(0) self.query1_window.table_widget.setColumnCount(len(result[0])) self.query1_window.table_widget.setHorizontalHeaderLabels( ["员工ID", "员工姓名", "日期", "领取鸡爪重量（KG）", "效率（每小时KG）", "出成率", "基础工资", "重量奖励", "当日总工资"]) for row_num, row_data in enumerate(result): self.query1_window.table_widget.insertRow(row_num) for col_num, col_data in enumerate(row_data): self.query1_window.table_widget.setItem(row_num, col_num, QTableWidgetItem(str(col_data))) self.query1_window.show()怎么改为按ID查询数据

self.query1_window.table_widget.setColumnCount(len(result[0])) self.query1_window.table_widget.setHorizontalHeaderLabels( ["员工ID", "员工姓名", "日期", "领取鸡爪重量（KG）", "效率（每小时KG）", ...

import sys from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QGridLayout, QPushButton from PyQt5.QtCore import Qt, QRect, QPoint class MainWindow(QWidget): def init(self): super().init() # 初始化界面 self.initUI() def initUI(self): # 设置窗口标题和大小 self.setWindowTitle('2048 游戏') self.setGeometry(300, 300, 400, 300) # 创建标签和按钮 self.label = QLabel(self) self.label.setText('2048') self.label.move(50, 50) self.button = QPushButton('开始', self) self.button.move(150, 50) # 创建布局 self.layout = QGridLayout(self) self.layout.setContentsMargins(0, 0, 0, 0) self.layout.addWidget(self.label, 0, 0) self.layout.addWidget(self.button, 1, 0) # 设置按钮的点击事件 self.button.clicked.connect(self.play) def play(self): # 获取输入 width, height = self.layout.sizeHint() self.board = [[0 for j in range(height)] for i in range(width)] self.gameOver = False # 开始游戏 for i in range(1, 10): for j in range(self.board.shape[0] // 2): if self.board.shape[j * 2 - 1] == 0 and self.board.shape[j * 2] == 0: self.board.shape[j * 2 - 1] = i self.board.shape[j * 2] = i self.gameOver = True # 显示结果 self.show() if name == 'main': app = QApplication(sys.argv) window = MainWindow() window.show() sys.exit(app.exec_())

这段代码是使用 PyQt5 库实现的一个简单的 GUI 窗口程序，实现了一个经典游戏 2048 的界面和开始按钮。在窗口中，使用 QGridLayout 布局将标签和按钮添加到窗口上，并实现了...具体实现细节可以通过阅读代码来了解。

现在有song1.mp3和song2.mp3，要求利用图形界面pyqt库等其他库做一个具有基本功能的音乐播放器

controls_layout.addWidget(self.previous_button) controls_layout.addWidget(self.play_button) controls_layout.addWidget(self.next_button) volume_layout = QHBoxLayout() volume_layout....

class App(QWidget): global tem_button tem_button = True def init(self): super().init() self.open_camera_1() 打开程序弹出正在打开摄像头窗口 self.open_camera_1() 执行完毕窗口自动关闭

layout.addWidget(self.label) self.setLayout(layout) self.setWindowTitle("打开摄像头") def closeEvent(self, event): # 禁止关闭窗口 event.ignore() class App(QWidget): def __init__(self): super...

pyqt5 读取sql3数据库database1，并将其中的数据库表history_data_table显示到QTableWidget中，并实现对数据库表的增删改查功能

layout.addWidget(self.button_update) layout.addWidget(self.button_delete) # 设置主窗口的中央部件 central_widget = QWidget() central_widget.setLayout(layout) self.setCentralWidget(central_widget...

import cv2 camera_path = 0 #0自带摄像头 1外接摄像头 capture = cv2.VideoCapture(camera_path) #初始化播放器流媒体 fourcc = cv2.VideoWriter_fourcc('D','I','V','X') video_writer = cv2.VideoWriter("image/myself.mp4", fourcc, 25, (960,540)) while True: flag, frame = capture.read() if flag is False: continue frame = cv2.resize(frame,(960,540)) # frame = cv2.flip(frame,0)#翻转 video_writer.write(frame) cv2.namedWindow("video",0) cv2.imshow("video", frame) key = cv2.waitKey(25) if key == 27: video_writer.release() break 如何将这串代码放入上面代码的打开摄像头

layout.addWidget(self.play_button) layout.addWidget(self.stop_button) # 创建一个QWidget作为主窗口的中心部件 widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) # 连接...

python语言用ui设计多选按钮实现des的8个s盒六进四出功能

button_layout.addWidget(self.calculate_button) button_layout.addStretch(1) main_layout = QVBoxLayout() main_layout.addLayout(s_layout) main_layout.addLayout(result_layout) main_layout....

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class App(QWidget): global tem_button tem_button = True def init(self): super().init() self.open_camera_1() 打开程序弹出正在打开摄像头窗口 self.open_camera_1() 执行完毕窗口自动关闭