QTextEdit是一个用于编辑和显示纯文本和富文本(如HTML文档)的部件,它支持多行文本, 可现实和编辑多行文本内容, QTextEdit可以显示图像,列表和表格。当文本内容超出显示范围的时候,会自动显示水平和(或)垂直滚动条。
QTextEdit中的常用方法:
QTextEdit中的常用信号:
注:QTextEdit是一个功能强大的编辑部件,涉及众多和编辑排版相关的函数,比如对齐,字体样式,文档格式,编辑操作等,在这里不做详细介绍了,有兴趣的童鞋可进一步研究。
QTextEdit类继承关系:
创建文件qtextedit.py, 实现以下简单的功能
完整代码如下:
import sys
import os
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import (QApplication, QMainWindow, QTextEdit, QPushButton)
class DemoTextEdit(QMainWindow):
def __init__(self, parent=None):
super(DemoTextEdit, self).__init__(parent)
# 设置窗口标题
self.setWindowTitle('实战PyQt5: QTextEdit Demo!')
# 设置窗口大小
self.resize(400, 280)
#文本显示编辑
self.txtEditor = QTextEdit(self)
self.txtEditor.setGeometry(10, 10, 380, 230)
#按钮
btn_plain = QPushButton('显示文本', self)
btn_plain.setGeometry(20, 250, 80, 24)
btn_plain.clicked.connect(self.buttonPlainClicked)
btn_html = QPushButton('显示HTML', self)
btn_html.setGeometry(120, 250, 80, 24)
btn_html.clicked.connect(self.buttonHtmlClicked)
btn_image = QPushButton('显示图片', self)
btn_image.setGeometry(220, 250, 80, 24)
btn_image.clicked.connect(self.buttonImageClicked)
def buttonPlainClicked(self):
self.txtEditor.setPlainText('QTextEdit Demo!\nHello PyQt5')
def buttonHtmlClicked(self):
self.txtEditor.setHtml("QTextEdit Demo!<font color='blue' size='8'><red>Hello PyQt5!</font>")
def buttonImageClicked(self):
self.txtEditor.setPlainText('QTextEdit Demo!\n')
path = os.path.dirname(__file__) + '/python-logo.png'
self.txtEditor.append("<img src='" + path + "'/>")
if __name__ == '__main__':
app = QApplication(sys.argv)
window = DemoTextEdit()
window.show()
sys.exit(app.exec())
启动运行,可以点击按钮看到显示的图片,也可以窗口内进行基本的编辑操作;测试结果如下图所示:
测试QTextEdit
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QTextBrowser部件为富文本浏览器提供了超文本导航。它继承自QTextEdit,并添加了一些导航功能,以方便用户可以跟踪超文本文章中的链接,在缺省情况下, QTextBrowser设置为只读属性。
如果要实现一个RTF文本编辑器,建议使用QTextEdit。要实现一个没有超链接文本导航的文本浏览器,建议使用QTextTEDIT,并将其属性设置为只读。如果只需要显示一小段富文本信息,建议使用QLabel。
QTextEdit的内容通过setHtml()或者setPlainText()来设置,QTextBrowser 还提供一个setSource()函数,它可以直接使用文件名来作为文本数据源。QTextBrowser提供了backwoard() 和forward()槽函数,通过它们,可以实现前进和后退按钮功能。home()槽函数设置要显示的第一个文件。
QTextCrowser常用方法:
QTextCrowser常用信号:
QTextCrowser类继承关系:
测试代码演示了在一个QEditText控件中编辑文本,同时在QTextBrowser里显示的功能。完整代码如下:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
#from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QApplication, QWidget, QLabel, QTextEdit,
QTextBrowser, QHBoxLayout, QVBoxLayout)
class DemoTextBrowser(QWidget):
def __init__(self, parent=None):
super(DemoTextBrowser, self).__init__(parent)
# 设置窗口标题
self.setWindowTitle('实战PyQt5: QTextBrowser Demo!')
# 设置窗口大小
self.resize(480, 360)
self.initUi()
def initUi(self):
mainLayout = QHBoxLayout(self)
leftLayout = QVBoxLayout(self)
rightLayout = QVBoxLayout(self)
#左边 QTextEdit
self.textEdit = QTextEdit(self)
#文本发生改变后,在右边的文本浏览器中显示
self.textEdit.textChanged.connect(self.onShowText)
leftLayout.addWidget(QLabel('QTextEdit',self))
leftLayout.addWidget(self.textEdit)
#右边
self.textBrowser = QTextBrowser(self)
rightLayout.addWidget(QLabel('QTextBrowser', self))
rightLayout.addWidget(self.textBrowser)
mainLayout.addLayout(leftLayout)
mainLayout.addLayout(rightLayout)
self.setLayout(mainLayout)
def onShowText(self):
self.textBrowser.setText(self.textEdit.toPlainText())
#self.textBrowser.setHtml(self.textEdit.toPlainText())
if __name__ == '__main__':
app = QApplication(sys.argv)
window = DemoTextBrowser()
window.show()
sys.exit(app.exec())
运行结果如下图:
测试QTextBrowser
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近生活中经常需要对Word和PDF两个文件类型进行互转,挺麻烦的,这个时候就有两个选择,要么百度搜索那些在线转换类型的网站,要么只能使用微软office全家桶自带的类型转换,前者因为文件涉及我的个人隐私,所以我不是很想在那些网站上进行转换,虽然说没人在意我那些资料,哈哈!安全点还是好的,那么我就只能选择微软自带的功能了,我之前用过一次感觉还不错很好用,可是当我第三次使用的时候发现,居,居然,要钱了
私信小编01即可获取大量Python学习资源
我还以为微软那个是每天两次机会,没想到居然是一个账号两次机会啊,打扰了,饭都吃不起,那还有钱啊,而且居然这么贵
所以推出了Excel2.0版本,别问为什么,懒得重新绘制界面,拿上个帖子的模板的修修改改,又是个新的,就是那个被吐槽难看的那个模板,我换了个皮又拿出来了,没想到吧!!
好了,不说废话了,新的软件操作简单,先导入文件然后单击按钮就可以了(其实刚设定的时候连按钮都没,直接导入就自动转换了,后面想想,可能有些人不喜欢这种模式,所以改回了传统鼠标单击按钮),现在是可拖放也可导入,随便了,其他我做了限制,不是规定文件不能转换,比如Word转PDF,你导入PDF然后点击Word转PDF就不行,没办法不设置,到时候又软件有bug,转换完,会在左下角提示转换成功和文件路径的
有一个前提要求电脑要有Word,Excel,PDF,不然软件用不了,会闪退
from pdf2docx import Converter
from configparser import ConfigParser
import os
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from xlrd import *
import fitz
import os
import pandas as pd
import sys
import openpyxl
from win32com.client import constants, gencache
class Main_Win(QWidget):
def __init__(self):
self.i = 0
self.filename = ""
super(Main_Win,self).__init__()
self.setAcceptDrops(True)
self.Main_WinUI()
def Main_WinUI(self):
self.setWindowTitle('多功能系统')
self.resize(1700,880)
screen = QDesktopWidget().screenGeometry()
size = self.geometry()
newLeft = (screen.width() - size.width()) // 2
newTop = (screen.height() - size.height()) // 2
self.move(newLeft, newTop)
#self.setFixedSize(1700,880)
palette = QPalette()
pix = QPixmap(os.getcwd()+"\\images\\six.png")
pix = pix.scaled(1300, 880)
palette.setBrush(QPalette.Background, QBrush(pix))
self.setPalette(palette)
self.setToolTip('温馨提示:软件仅供参考,有问题可以上论坛交流!')
QToolTip.setFont(QFont('Times',10,QFont.Black))
self.setWindowIcon(QIcon(os.getcwd()+'\\images\\Book.ico'))
print(os.getcwd()+'\\images\\Book.ico')
self.Main_WinLayout()
self.show()
def Main_WinLayout(self):
self.group = QGroupBox(self)
self.group.setTitle('参数设置区')
self.group.setGeometry(10,10,400,300)
self.layout = QGridLayout()
self.label_one = QLabel('<font color=#9370DB>请输入要搜索的关键词:<\\font>')
self.layout.addWidget(self.label_one,0,0)
self.edit_one = QLineEdit()
self.edit_one.setAlignment(Qt.AlignCenter)
self.edit_one.setPlaceholderText('这里输入要搜索的关键词')
self.layout.addWidget(self.edit_one,0,1)
self.button_one = QPushButton('开始搜索')
self.layout.addWidget(self.button_one,1,0)
self.button_one.clicked.connect(self.dialoginfo)
self.button_two = QPushButton('导入文件')
self.layout.addWidget(self.button_two, 1, 1)
self.button_two.clicked.connect(self.groove_five)
self.button_four = QPushButton('PDF转图片')
self.layout.addWidget(self.button_four, 2, 0)
self.button_four.clicked.connect(self.Start_PDF_Image)
self.button_five = QPushButton('Word转PDF')
self.layout.addWidget(self.button_five, 2, 1)
self.button_five.clicked.connect(self.Start_Word_PDF)
self.button_six = QPushButton('PDF转Word')
self.layout.addWidget(self.button_six, 3, 0)
self.button_six.clicked.connect(self.Start_PDF_Word)
# ---------------------------------------------------------------
self.group_two = QGroupBox(self)
self.group_two.setTitle('输出日志')
self.group_two.setGeometry(10, 320, 400, 550)
self.textedit_one = QTextEdit()
self.textedit_one.setHtml('<font color=red>温馨提示!<\\font>')
self.textedit_one.setFont(QFont("Times",10))
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n目前软件只支持Excel,Word,PDF文件\n")
self.layout_two = QGridLayout()
self.textedit_one.setReadOnly(True)
self.layout_two.addWidget(self.textedit_one)
self.group_two.setLayout(self.layout_two)
self.group_three = QGroupBox(self)
self.layout_two = QHBoxLayout()
self.group_three.setTitle('订单数据')
self.group_three.setGeometry(420, 10, 1265, 860)
self.table_one = QTableWidget()
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.showMenu)
self.contextMenu = QMenu(self)
self.CP = self.contextMenu.addAction('复制')
self.CP.triggered.connect(lambda:self.selected_tb_text(self.table_one))
self.CP = self.contextMenu.addAction('打开表格可编辑')
self.CP.triggered.connect(lambda: self.compile_True(self.table_one))
self.CP = self.contextMenu.addAction('关闭表格可编辑')
self.CP.triggered.connect(lambda: self.compile_False(self.table_one))
self.CP = self.contextMenu.addAction('添加数据')
self.CP.triggered.connect(lambda: self.appendinfo(self.table_one))
self.layout_two.addWidget(self.table_one)
self.group_three.setLayout(self.layout_two)
QApplication.processEvents()
self.group.setLayout(self.layout)
def dialoginfo(self):
find_str = []
if self.filename:
if self.edit_one.text() == "":
reply=QMessageBox.question(win, '温馨提示!', '大哥,你关键字,怎么也输点吧!', QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
if reply == QMessageBox.Yes:
pass
else:
self.dialoginfo()
else:
for i in self.data.to_dict('records'):
for value in i.values():
if str(value) == str(self.edit_one.text()):
find_str.append(i)
print(find_str)
if len(find_str):
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f"\n查询成功!!一共{len(find_str)}条数据!!\n")
self.table_one.setRowCount(len(find_str))
self.table_one.clearContents()
for s in range(len(find_str)):
for key,value in find_str[s].items():
item = QTableWidgetItem(str(value))
item.setTextAlignment(Qt.AlignCenter)
self.table_one.setItem(s, self.head_list.index(key), item)
else:
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f"\n查询失败,找不到该条信息!!!\n")
else:
reply = QMessageBox.question(win, '温馨提示!', '请先导入文件在查询!!', QMessageBox.Yes | QMessageBox.No , (QMessageBox.Yes))
if reply == QMessageBox.Yes:
pass
else:
self.dialoginfo()
def selected_tb_text(self,table_view):
try:
indexes = table_view.selectedIndexes()
indexes_dict = {}
for index in indexes:
row, column = index.row(), index.column()
if row in indexes_dict.keys():
indexes_dict[row].append(column)
else:
indexes_dict[row] = [column]
print(indexes_dict)
print(row,column)
text = []
for row, columns in indexes_dict.items():
row_data = []
for column in columns:
try:
data = table_view.item(row, column).text()
except BaseException as e:
data = ' '
finally:
if row_data:
row_data = ' ' + data
else:
row_data = data
if text:
if len(text) % 4 == 0:
text.append('\n')
text.append(row_data)
else:
text.append(row_data)
print(text)
text_two = ''
for item in text:
text_two += item
try:
clipboard = QApplication.clipboard()
clipboard.setText(text_two) # 复制到粘贴板
except BaseException as e:
print(e)
except BaseException as e:
print(e)
clipboard = QApplication.clipboard()
clipboard.setText(text_two)
return ''
def keyPressEvent(self, event): # 重写键盘监听事件
# 监听 CTRL+C 组合键,实现复制数据到粘贴板
if (event.key() == Qt.Key_C) and QApplication.keyboardModifiers() == Qt.ControlModifier:
text = self.selected_tb_text(self.table_one)
def showMenu(self, pos):
print(pos)
self.contextMenu.exec_(QCursor.pos())
def groove_five(self):
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n正在导入Excel文件..............\n")
self.filename,ok = QFileDialog.getOpenFileName(self,'想好了在选,记得选EXCAL文件!!!!','C:\\','文件类型默认所有,这个你不用担心:(*.*)')
self.excal()
def excal(self):
print(self.filename)
self.head_list = []
self.sum_list = []
if self.filename[-4:] == "xlsx" or self.filename[-3:] == "xls":
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n导入成功!\n")
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\n成功导入Excel文件!,路径为:{self.filename}\n')
self.data = pd.read_excel(self.filename)
print("123")
for i in self.data:
self.head_list.append(i)
self.table_one.setRowCount(len(self.data[i].values))
self.table_one.setColumnCount(len(self.head_list))
self.table_one.setHorizontalHeaderLabels(self.head_list)
for j in self.head_list:
for k in self.data[j].values:
s = QTableWidgetItem(str(k))
s.setTextAlignment(Qt.AlignCenter)
self.sum_list.append(k)
self.table_one.setItem(len(self.sum_list) - 1,int(self.head_list.index(j)), s)
self.sum_list.clear()
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'目前有{len(self.data[j].values)}条数据!\n')
self.table_one.setEditTriggers(QAbstractItemView.NoEditTriggers) # 设置单元格不可编辑
elif self.filename[-4:] == "docx":
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n导入成功!\n")
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\n成功导入Word文件!,路径为:{self.filename}\n')
elif self.filename[-3:] == "pdf":
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n导入成功!\n")
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\n成功导入PDF文件!,路径为:{self.filename}\n')
elif os.path.isdir(self.filename):
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n导入成功!\n")
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\n成功导入内含PDF文件的文件夹!,路径为:{self.filename}\n')
else:
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText("\n导入失败,请检查是否导入的是后缀为:xlsx,docx,pdf的文件!\n")
def Queryinfomation(self):
for i in range(self.shape[0]):
for i2 in range(self.shape[1]):
Query = self.table_one.item(i,i2).text()
print(Query)
def compile_True(self,table_view):
self.table_one.setEditTriggers(QAbstractItemView.DoubleClicked)
def compile_False(self,table_view):
self.table_one.setEditTriggers(QAbstractItemView.NoEditTriggers)
def appendinfo(self,table_view):
self.i +=1
self.table_one.setRowCount(self.i)
def dragEnterEvent(self, QDragEnterEvent):
if QDragEnterEvent.mimeData().hasText():
QDragEnterEvent.acceptProposedAction()
def dropEvent(self, QDropEvent):
self.filename = QDropEvent.mimeData().text().replace('file:///', '')
print(self.filename)
self.excal()
def closeEvent(self, event):
reply=QMessageBox.question(self,'Message','确定要退出吗?',QMessageBox.Yes,QMessageBox.No)
if reply == QMessageBox.Yes:
sys.exit()
else:
event.ignore()
def pyMuPDF_fitz(self,pdfPath, imagePath):
pdfDoc = fitz.open(pdfPath)
for pg in range(pdfDoc.pageCount):
page = pdfDoc[pg]
rotate = int(0)
zoom_x = 1.33333333
zoom_y = 1.33333333
mat = fitz.Matrix(zoom_x, zoom_y).preRotate(rotate)
pix = page.getPixmap(matrix=mat, alpha=False)
if not os.path.exists(imagePath):
os.makedirs(imagePath)
pix.writePNG(imagePath + '/' + 'images_%s.png' % pg)
def Start_Word_PDF(self):
if self.filename[-4:] == "docx" or self.filename[-3:] == "dox":
reply = QMessageBox.question(win, '温馨提示!', '程序开始执行时,因为计算量大可能会导致卡顿,这是正常现象,请不要乱点,请耐心稍等一会儿!!!', QMessageBox.Yes | QMessageBox.No,(QMessageBox.Yes))
if reply == QMessageBox.Yes:
pass
else:
self.Start_Word_PDF()
Word_pdf_path = self.filename.replace(self.filename[-4:],"pdf")
word = gencache.EnsureDispatch('Word.Application')
doc = word.Documents.Open(self.filename, ReadOnly=1)
doc.ExportAsFixedFormat(Word_pdf_path,constants.wdExportFormatPDF,Item=constants.wdExportDocumentWithMarkup,CreateBookmarks=constants.wdExportCreateHeadingBookmarks)
word.Quit(constants.wdDoNotSaveChanges)
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f"\nWord文件已成功转换PDF文件,请前往Word同目录下查看!!!\n\n生成路径为:{Word_pdf_path}\n")
else:
QMessageBox.question(win, '温馨提示!', '请检查是否为Word文件!!',
QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
def Start_PDF_Image(self):
if self.filename[-3:] == "pdf":
reply = QMessageBox.question(win, '温馨提示!', '程序开始执行时,因为计算量大可能会导致卡顿,这是正常现象,请不要乱点,耐心稍等一会儿!!!',QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
if reply == QMessageBox.Yes:
pass
else:
self.Start_PDF_Image()
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\n正在转换PDF图片,\n')
PDF_images_path = os.path.join(os.path.expanduser("~"), 'Desktop//PDF_images')
self.pyMuPDF_fitz(self.filename, PDF_images_path)
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\nPDF文件已成功转换图片文件,请前往桌面查看!!!\n\n生成路径为:{PDF_images_path}\n')
else:
QMessageBox.question(win, '温馨提示!', '请检查是否为PDF文件!!',
QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
def Start_PDF_Word(self):
if os.path.isdir(self.filename):
QMessageBox.question(win, '温馨提示!', '程序开始执行时,因为计算量大可能会导致卡顿,这是正常现象,请不要乱点,耐心稍等一会儿!!!',
QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
config_parser = ConfigParser()
config_parser.read('config.cfg', encoding='utf-8')
config = config_parser['default']
for file in os.listdir(self.filename):
extension_name = os.path.splitext(file)[1]
if extension_name != '.pdf':
continue
file_name = os.path.splitext(file)[0]
pdf_file = self.filename + '/' + file
word_file = self.filename + '/' + file_name + '.docx'
cv = Converter(pdf_file)
cv.convert(word_file)
cv.close()
self.textedit_one.moveCursor(QTextCursor.End)
self.textedit_one.insertPlainText(f'\nPDF文件已成功转换图片文件,请前往桌面查看!!!\n\n生成路径为:{word_file}\n')
else:
QMessageBox.question(win, '温馨提示!', '请导入一个内含PDF文件的文件夹!!!',
QMessageBox.Yes | QMessageBox.No, (QMessageBox.Yes))
if __name__ == '__main__':
app = QApplication(sys.argv)
win = Main_Win()
sys.exit(app.exec_())
吸取评论区的建议,新加了PDF转Word,因为win7的分辨率,同时缩小了软件界面,软件在上面的阿里云里,根据需求自行下载正常版和迷你版
迷你版成品图
正常大小的成品图
测试的时候出现闪退现象,大概率是因为电脑没有office全家桶,就是Excel,word,pdf这些软件,小概率是因为你电脑已经有同个类型同个名称的文件了
如果文件较大,卡顿是正常情况,不用理会的,它只是这个软件未响应,不影响电脑正常使用,该打游戏的打游戏,办公的办公,等它处理完就恢复了!!!!!
还有这个排版真的难受,自动给你文字中间加一条线,是啥意思.............
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