pip?install?PyQt5?-i?https://mirrors.tuna.tsinghua.edu.cn/help/pypi/

#?導入PyQt5.QtGui模塊
from?PyQt5.QtGui?import?*

#?導入PyQt5.QtCore模塊
from?PyQt5.QtCore?import?*

#?導入PyQt5.QtWidgets模塊
from?PyQt5.QtWidgets?import?*

#?系統(tǒng)處理模塊
import?sys

#?文件處理操作模塊
import?os

#?導入異常處理模塊
import?traceback

#?正則表達式匹配模塊
import?re

import?images

class?FileSearchUI(QWidget):
????def?__init__(self):
????????super(FileSearchUI,?self).__init__()
????????self.resize(600,?400)
????????self.setWindowTitle('文件內(nèi)容檢索器?公眾號：Python 集中營')
????????self.setWindowIcon(QIcon(':/analysis.ico'))

????????self.target_search_dir?=?QLineEdit()
????????self.target_search_dir.setPlaceholderText('目標搜索目錄')
????????self.target_search_dir.setReadOnly(True)

????????self.target_search_btn?=?QPushButton()
????????self.target_search_btn.setText('瀏覽')
????????self.target_search_btn.clicked.connect(self.target_search_btn_clk)

????????self.search_text?=?QLineEdit()
????????self.search_text.setPlaceholderText('請輸入搜索內(nèi)容...')

????????self.search_btn?=?QPushButton()
????????self.search_btn.setText('開始搜索')
????????self.search_btn.clicked.connect(self.search_btn_clk)

????????self.brower?=?QTextBrowser()
????????self.brower.setReadOnly(True)
????????self.brower.setFont(QFont('宋體',?8))
????????self.brower.setPlaceholderText('日志處理過程區(qū)域...')
????????self.brower.ensureCursorVisible()

????????grid?=?QGridLayout()
????????grid.addWidget(self.target_search_dir,?0,?0,?1,?2)
????????grid.addWidget(self.target_search_btn,?0,?2,?1,?1)
????????grid.addWidget(self.search_text,?1,?0,?1,?3)
????????grid.addWidget(self.search_btn,?2,?0,?1,?3)
????????grid.addWidget(self.brower,?3,?0,?1,?3)

????????self.thread_?=?WorkThread(self)
????????self.thread_.message.connect(self.show_message)
????????self.thread_.finished.connect(self.finished)

????????self.setLayout(grid)

????def?show_message(self,?text):
????????cursor?=?self.brower.textCursor()
????????cursor.movePosition(QTextCursor.End)
????????self.brower.append(text)
????????self.brower.setTextCursor(cursor)
????????self.brower.ensureCursorVisible()

????def?target_search_btn_clk(self):
????????target_path?=?QFileDialog.getExistingDirectory(self,?'選擇文件夾',?os.getcwd())
????????self.target_search_dir.setText(target_path)

????def?search_btn_clk(self):
????????self.thread_.start()
????????self.search_btn.setEnabled(False)

????def?finished(self,?text):
????????if?text?is?True:
????????????self.search_btn.setEnabled(True)

import?chardet
from?chardet.universaldetector?import?UniversalDetector


class?WorkThread(QThread):
????finished?=?pyqtSignal(bool)
????message?=?pyqtSignal(str)

????def?__init__(self,?parent=None):
????????super(WorkThread,?self).__init__(parent)
????????self.parent?=?parent
????????self.working?=?True

????def?__del__(self):
????????self.working?=?True

????def?run(self):
????????try:
????????????target_search_dir?=?self.parent.target_search_dir.text().strip()
????????????search_text?=?self.parent.search_text.text().strip()
????????????if?target_search_dir?==?'':
????????????????self.message.emit('目標檢索路徑不能為空！')
????????????elif?search_text?==?'':
????????????????self.message.emit('檢索內(nèi)容不能為空！')

????????????self.message.emit('已設(shè)置目標檢索路徑：')
????????????self.message.emit(target_search_dir)
????????????self.message.emit('已設(shè)置檢索內(nèi)容：')
????????????self.message.emit(search_text)

????????????file_name_con_list?=?[]
????????????file_current_list?=?[]

????????????for?dirpath,?dirnames,?filenames?in?os.walk(target_search_dir):
????????????????for?filename?in?filenames:
????????????????????if?search_text?in?filename:
????????????????????????if?os.path.join(dirpath,?filename)?not?in?file_name_con_list:
????????????????????????????file_name_con_list.append(os.path.join(dirpath,?filename))

????????????????????detector?=?UniversalDetector()
????????????????????with?open(os.path.join(dirpath,?filename),?'rb')?as?f:
????????????????????????for?line?in?f:
????????????????????????????detector.feed(line)
????????????????????????????if?detector.done:
????????????????????????????????break
????????????????????????detector.close()
????????????????????????if?detector.result['encoding']?is?not?None?and?detector.result['encoding']?==?'utf-8':
????????????????????????????current_?=?f.read().decode('utf-8')
????????????????????????????if?search_text?in?current_:
????????????????????????????????file_current_list.append(os.path.join(dirpath,?filename))

????????????self.message.emit('文件名稱包含關(guān)鍵字的文件路徑：')
????????????self.message.emit('\n'.join(file_name_con_list))
????????????self.message.emit('文件內(nèi)容包含關(guān)鍵字的文件路徑：')
????????????self.message.emit('\n'.join(file_current_list))

????????????self.message.emit('文件內(nèi)容檢索全部完成！')
????????????self.finished.emit(True)
????????except:
????????????traceback.print_exc()
????????????self.message.emit('程序運行錯誤，請檢查參數(shù)設(shè)置是否正常！')
????????????self.finished.emit(True)

if?__name__?==?'__main__':
????app?=?QApplication(sys.argv)
????main?=?FileSearchUI()
????main.show()
????sys.exit(app.exec_())