标准输入对话框(QInputDialog)系列：
主要模块
from PyQt5.QtWidgets import QInputDialog
效果如下：
完整代码：
from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QLabel, QInputDialog, QTextBrowser,QGridLayout) import sys from PyQt5.QtGui import QIcon class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(500,500,500,500) self.setWindowTitle("标准输入对话框") self.setWindowIcon(QIcon("11.ico")) gridLayout = QGridLayout() self.lb11 = QLabel("姓名：") self.lb12 = QLabel("xiong") self.btn1 = QPushButton("修改姓名") gridLayout.addWidget(self.lb11,0,0,1,1) gridLayout.addWidget(self.lb12,0,1,1,1) gridLayout.addWidget(self.btn1,0,2,1,1) self.lb21 = QLabel("年龄：") self.lb22 = QLabel("25") self.btn2 = QPushButton("修改年龄") gridLayout.addWidget(self.lb21, 1, 0, 1, 1) gridLayout.addWidget(self.lb22, 1, 1, 1, 1) gridLayout.addWidget(self.btn2, 1, 2, 1, 1) self.lb31 = QLabel("性别：") self.lb32 = QLabel("男") self.btn3 = QPushButton("修改性别") gridLayout.addWidget(self.lb31, 2, 0, 1, 1) gridLayout.addWidget(self.lb32, 2, 1, 1, 1) gridLayout.addWidget(self.btn3, 2, 2, 1, 1) self.lb41 = QLabel("身高（cm）：") self.lb42 = QLabel("177.0") self.btn4 = QPushButton("修改身高") gridLayout.addWidget(self.lb41, 3, 0, 1, 1) gridLayout.addWidget(self.lb42, 3, 1, 1, 1) gridLayout.addWidget(self.btn4, 3, 2, 1, 1) self.lb51 = QLabel("基本信息：") self.textBrowser = QTextBrowser() self.btn5 = QPushButton("修改信息") gridLayout.addWidget(self.lb51, 4, 0, 1, 1) gridLayout.addWidget(self.textBrowser, 5, 0, 1, 3) gridLayout.addWidget(self.btn5, 4, 2, 1, 1) self.setLayout(gridLayout) self.btn1.clicked.connect(self.showDialog) self.btn2.clicked.connect(self.showDialog) self.btn3.clicked.connect(self.showDialog) self.btn4.clicked.connect(self.showDialog) self.btn5.clicked.connect(self.showDialog) def showDialog(self): sender = self.sender() if sender == self.btn1: text , ok = QInputDialog.getText(self,"修改姓名！","请输入姓名：") if ok: self.lb12.setText(text) elif sender == self.btn2: text, ok = QInputDialog.getInt(self, "修改年龄！", "请输入年龄：",min=1) if ok: self.lb22.setText(str(text)) elif sender == self.btn3: text, ok = QInputDialog.getItem(self, "修改性别！", "请输入性别：",["男","女","人妖"]) if ok: self.lb32.setText(text) elif sender == self.btn4: text, ok = QInputDialog.getDouble(self, "修改身高！", "请输入身高：",min=10.0) if ok: self.lb42.setText(str(text)) elif sender == self.btn5: text, ok = QInputDialog.getMultiLineText(self, "修改信息！", "请输入基本信息：") if ok: self.textBrowser.setText(text) if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() ex.show() sys.exit(app.exec_())
打开文件(QFileDialog)、颜色(QColorDialog)、字体(QFontDialog)对话框
效果如下：
参考：
https://zhuanlan.zhihu.com/p/29321561
完整代码：
from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QColorDialog,QFontDialog,QFileDialog,QGridLayout,QTextEdit) import sys from PyQt5.QtGui import QIcon class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(500,500,400,300) self.setWindowTitle("标准输入对话框") self.setWindowIcon(QIcon("11.ico")) gridLayout = QGridLayout() self.txtFile = QTextEdit() self.fileContent = [] gridLayout.addWidget(self.txtFile,0,0,3,1) self.btn1 = QPushButton("打开文件") self.btn2 = QPushButton("选择字体") self.btn3 = QPushButton("选择颜色") gridLayout.addWidget(self.btn1, 0, 1, 1, 1) gridLayout.addWidget(self.btn2, 1, 1, 1, 1) gridLayout.addWidget(self.btn3, 2, 1, 1, 1) self.setLayout(gridLayout) self.btn1.clicked.connect(self.openFile) self.btn2.clicked.connect(self.choseFont) self.btn3.clicked.connect(self.choseColor) def openFile(self): fname = QFileDialog.getOpenFileName(self,"打开文件",'./') if fname[0]: with open(fname[0],'r+',encoding='utf8',errors="ignore") as f: self.fileContent.append(f.read()) txtCon = "".join(self.fileContent) self.txtFile.setText(" "+txtCon) def choseFont(self): font , ok = QFontDialog.getFont() if ok: self.txtFile.setCurrentFont(font) def choseColor(self): color = QColorDialog.getColor() if color.isValid(): self.txtFile.setTextColor(color) if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() ex.show() sys.exit(app.exec_())
文件打印（QPageSetupDialog、QPrintDialog）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/29556459
完整代码：
from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QColorDialog,QFontDialog,QFileDialog,QGridLayout,QTextEdit,QDialog) import sys from PyQt5.QtGui import QIcon from PyQt5.QtPrintSupport import QPageSetupDialog,QPrintDialog,QPrinter,QPrintPreviewDialog class Example(QWidget): def __init__(self): super().__init__() self.initUI() self.printer = QPrinter() def initUI(self): self.setGeometry(500,500,400,300) self.setWindowTitle("文件打印对话框") self.setWindowIcon(QIcon("11.ico")) gridLayout = QGridLayout() self.txtFile = QTextEdit() self.fileContent = [] gridLayout.addWidget(self.txtFile,0,0,7,1) self.btn1 = QPushButton("打开文件") self.btn2 = QPushButton("打开多个文件") self.btn3 = QPushButton("选择字体") self.btn4 = QPushButton("选择颜色") self.btn5 = QPushButton("保存文件") self.btn6 = QPushButton("页面设置") self.btn7 = QPushButton("打印文件") gridLayout.addWidget(self.btn1, 0, 1, 1, 1) gridLayout.addWidget(self.btn2, 1, 1, 1, 1) gridLayout.addWidget(self.btn3, 2, 1, 1, 1) gridLayout.addWidget(self.btn4, 3, 1, 1, 1) gridLayout.addWidget(self.btn5, 4, 1, 1, 1) gridLayout.addWidget(self.btn6, 5, 1, 1, 1) gridLayout.addWidget(self.btn7, 6, 1, 1, 1) self.setLayout(gridLayout) self.btn1.clicked.connect(self.openFile) self.btn2.clicked.connect(self.openFiles) self.btn3.clicked.connect(self.choseFont) self.btn4.clicked.connect(self.choseColor) self.btn5.clicked.connect(self.saveFile) self.btn6.clicked.connect(self.pageSet) self.btn7.clicked.connect(self.printFile) def openFile(self): fname = QFileDialog.getOpenFileName(self,"打开文件",'./') if fname[0]: with open(fname[0],'r+',encoding='utf8',errors="ignore") as f: self.fileContent.append(f.read()) txtCon = "".join(self.fileContent) self.txtFile.setText(" "+txtCon) def openFiles(self): fnames = QFileDialog.getOpenFileNames(self,"打开多个文件",'./') print(fnames) if fnames[0]: for fname in fnames[0]: with open(fname,'r+',encoding='utf8',errors="ignore") as f: self.fileContent.append(f.read()+" ") txtsCon = "".join(self.fileContent) self.txtFile.setText(txtsCon) def choseFont(self): font , ok = QFontDialog.getFont() if ok: self.txtFile.setCurrentFont(font) def choseColor(self): color = QColorDialog.getColor() if color.isValid(): self.txtFile.setTextColor(color) def saveFile(self): fileName = QFileDialog.getSaveFileName(self,"保存文件","./","Text files (*.txt)") if fileName[0]: with open(fileName[0],'w+',encoding='utf8') as f: f.write(self.txtFile.toPlainText()) def pageSet(self): printSetDialog = QPageSetupDialog(self.printer,self) printSetDialog.exec_() def printFile(self): printDialog = QPrintDialog(self.printer,self) if QDialog.Accepted == printDialog.exec_(): self.txtFile.print(self.printer) if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() ex.show() sys.exit(app.exec_())
消息对话框（QMessageBox）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/29795495
完整代码：
from PyQt5.QtWidgets import (QApplication, QWidget, QLabel,QPushButton, QMessageBox,QGridLayout,QTextEdit,QCheckBox) import sys from PyQt5.QtGui import QIcon,QPixmap class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(500,500,400,200) self.setWindowTitle("标准输入对话框") self.setWindowIcon(QIcon("11.ico")) gridLayout = QGridLayout() self.lb = QLabel("你选择了abort！") self.btn1 = QPushButton("提示") self.btn2 = QPushButton("询问") self.btn3 = QPushButton("警告") self.btn4 = QPushButton("错误") self.btn5 = QPushButton("关于") self.btn6 = QPushButton("关于QT") gridLayout.addWidget(self.lb,0,0,1,1) gridLayout.addWidget(self.btn1,1,0,1,1) gridLayout.addWidget(self.btn2,1,1,1,1) gridLayout.addWidget(self.btn3,1,2,1,1) gridLayout.addWidget(self.btn4,3,0,1,1) gridLayout.addWidget(self.btn5,3,1,1,1) gridLayout.addWidget(self.btn6,3,2,1,1) self.setLayout(gridLayout) self.btn1.clicked.connect(self.information_dialog) self.btn2.clicked.connect(self.question_dialog) self.btn3.clicked.connect(self.warning_dialog) self.btn4.clicked.connect(self.critical_dialog) self.btn5.clicked.connect(self.about_dialog) self.btn6.clicked.connect(self.about_QT_dialog) def information_dialog(self): reply = QMessageBox.information(self,"提示对话框","这是一个提示对话框", QMessageBox.Ok | QMessageBox.Close, QMessageBox.Close) if reply == QMessageBox.Ok: self.lb.setText("你选择了information_dialog的ok！") else: self.lb.setText("你选择了information_dialog的close！") def question_dialog(self): reply = QMessageBox.question(self,"询问对话框窗口标题！","这是一个询问对话框。。。",QMessageBox.Yes|QMessageBox.No|QMessageBox.Cancel,QMessageBox.No) if reply == QMessageBox.Yes: self.lb.setText("你选择了question_dialog的Yes") elif reply == QMessageBox.No: self.lb.setText("你选择了question_dialog的No") else: self.lb.setText("你选择了question_dialog的Cancel") def warning_dialog(self): # reply = QMessageBox.warning(self,'警告','这是一个警告消息对话框', QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel, QMessageBox.Save) cb = QCheckBox('所有文档都按此操作') msgBox = QMessageBox() msgBox.setWindowTitle('警告') msgBox.setIcon(QMessageBox.Warning) msgBox.setText('这是一个警告消息对话框') msgBox.setInformativeText('出现更改愿意保存吗?') Save = msgBox.addButton('保存', QMessageBox.AcceptRole) NoSave = msgBox.addButton('取消', QMessageBox.RejectRole) Cancel = msgBox.addButton('不保存', QMessageBox.DestructiveRole) msgBox.setDefaultButton(Save) msgBox.setCheckBox(cb) cb.stateChanged.connect(self.check) reply = msgBox.exec() if reply == QMessageBox.AcceptRole: self.lb.setText('你选择了保存！') elif reply == QMessageBox.RejectRole: self.lb.setText('你选择了取消！') else: self.lb.setText('你选择了不保存！') def check(self): print(self.sender().isChecked()) if self.sender().isChecked(): self.lb.setText('你打勾了哦') else: self.lb.setText('怎么又不打了啊') def critical_dialog(self): # reply = QMessageBox.critical(self,'错误','这是一个错误消息对话框', QMessageBox.Retry | QMessageBox.Abort | QMessageBox.Ignore , QMessageBox.Retry) msgBox = QMessageBox() msgBox.setWindowTitle('错误') msgBox.setIcon(QMessageBox.Critical) msgBox.setText("这是一个错误消息对话框") msgBox.setStandardButtons(QMessageBox.Retry | QMessageBox.Abort | QMessageBox.Ignore) msgBox.setDefaultButton(QMessageBox.Retry) msgBox.setDetailedText('这是详细的信息：学点编程吧，我爱你！') reply = msgBox.exec() if reply == QMessageBox.Retry: self.lb.setText('你选择了Retry！') elif reply == QMessageBox.Abort: self.lb.setText('你选择了Abort！') else: self.lb.setText('你选择了Ignore！') def about_dialog(self): # msgBox = QMessageBox.about(self,"关于对话框标题","这是一个关于对话框,是个加拿大小红旗") msgBox = QMessageBox(QMessageBox.NoIcon ,"关于对话框标题","这是一个关于对话框内容...") msgBox.setIconPixmap(QPixmap("22.ico")) msgBox.exec() def about_QT_dialog(self): msgBox = QMessageBox.aboutQt(self,"关于QT的对话框标题") if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() ex.show() sys.exit(app.exec_())
3种密码输入框的输入方式
- 输入的密码不可见；
- 输入的密码可见，但是鼠标点击其他控件后，密码不可见；
- 输入的密码不可见，同时为了更加的安全，屏蔽了鼠标右键、禁用复制、粘贴快捷键、鼠标在密码框中不可移动，不可全选。就类似我们在输入QQ密码的时候一样。
效果如下：
参考：
https://zhuanlan.zhihu.com/p/30152208
完整代码：
进度对话框（QProgressDialog）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/30283367
完整代码：
from PyQt5.QtWidgets import (QApplication, QWidget, QLabel,QPushButton, QMessageBox,QGridLayout,QLineEdit,QProgressDialog) import sys from PyQt5.QtGui import QIcon from PyQt5.QtCore import Qt class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(500,500,400,200) self.setWindowTitle("进度对话框") self.setWindowIcon(QIcon("11.ico")) gridLayout = QGridLayout() self.lb = QLabel("文件数量") self.lineEdit = QLineEdit("100000") self.btn = QPushButton("开始") gridLayout.addWidget(self.lb,0,0,1,1) gridLayout.addWidget(self.lineEdit,0,1,1,3) gridLayout.addWidget(self.btn,1,1,1,1) self.setLayout(gridLayout) self.btn.clicked.connect(self.startProcess) def startProcess(self): num = int(self.lineEdit.text()) process = QProgressDialog(self) process.setWindowTitle("进度条的进程对话框") process.setWindowIcon(QIcon("11.ico")) process.setLabelText("正在操作中。。。") process.setCancelButtonText("cancel") process.setMinimumDuration(3) #设置进度条的最小持续时间，若进度时间少于3000ms 则不会出现 process.setWindowModality(Qt.WindowModal) process.setRange(0,num) for i in range(num): process.setValue(i) if process.wasCanceled(): QMessageBox.warning(self,"下载提示","操作失败") break else: process.setValue(num) QMessageBox.information(self,"下载提示","操作成功了") if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() ex.show() sys.exit(app.exec_())