文本快速搜索工具-py代码

己中求

之前发了一个文本快速搜索工具，想不到这么久还有人私聊我，看来有文本搜索需求的人不少，
最近使用py重构了一下文本快速搜索工具，速度没慢多少，就降低了一半，我感觉速度还可以接受。


分享给大家希望，能帮助有需要的人。
下面直接发py代码，没python环境的划到最后，下载打包好的

[Python] 纯文本查看 复制代码

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import sys import os import time from PyQt6.QtWidgets import (     QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QGridLayout,     QLabel, QLineEdit, QPushButton, QTreeWidget, QTreeWidgetItem,     QListWidget, QTextEdit, QScrollArea, QFileDialog, QMessageBox ) from PyQt6.QtCore import Qt, QThread, pyqtSignal, QMimeData, QSize from PyQt6.QtGui import QDragEnterEvent, QDropEvent   class DraggableLineEdit(QLineEdit):     def __init__(self, parent=None):         super().__init__(parent)         self.setAcceptDrops(True)       def dragEnterEvent(self, event: QDragEnterEvent):         if event.mimeData().hasUrls():             event.acceptProposedAction()       def dropEvent(self, event: QDropEvent):         urls = event.mimeData().urls()         if urls:             path = urls[0].toLocalFile()             if os.path.isdir(path) or os.path.isfile(path):                 self.setText(path)   class SearchWorker(QThread):     update_file = pyqtSignal(dict)     finished = pyqtSignal()           def __init__(self, folder, extensions, keyword):         super().__init__()         self.folder = folder         self.extensions = extensions         self.keyword = keyword         self.running = True       def run(self):         for root, _, files in os.walk(self.folder):             if not self.running: break             for file in files:                 if any(file.endswith(ext) for ext in self.extensions):                     path = os.path.join(root, file)                     if self.file_contains_keyword(path, self.keyword):                         size = os.path.getsize(path)                         self.update_file.emit({                             "name": file,                             "size": self.format_size(size),                             "path": path                         })         self.finished.emit()       def file_contains_keyword(self, path, keyword):         for encoding in ['utf-8', 'gbk', 'latin-1']:             try:                 with open(path, 'r', encoding=encoding) as f:                     return any(keyword in line for line in f)             except (UnicodeDecodeError, Exception):                 continue         return False       def format_size(self, size):         if size < 1024:             return f"{size} B"         elif size < 1024 * 1024:             return f"{size/1024:.1f} KB"         else:             return f"{size/(1024 * 1024):.1f} MB"   class FileReader(QThread):     update_line = pyqtSignal(str)     finished = pyqtSignal()           def __init__(self, path, keyword):         super().__init__()         self.path = path         self.keyword = keyword         self.results = []       def run(self):         self.results = []         for encoding in ['utf-8', 'gbk', 'latin-1']:             try:                 with open(self.path, 'r', encoding=encoding) as f:                     for i, line in enumerate(f, 1):                         if self.keyword in line:                             text = f"Line {i}: {line.strip()[:50]}"                             self.update_line.emit(text)                             self.results.append(line.strip())                 break             except (UnicodeDecodeError, Exception):                 continue         self.finished.emit()   class AllFilesReader(QThread):     update_line = pyqtSignal(str)     finished = pyqtSignal()           def __init__(self, paths, keyword):         super().__init__()         self.paths = paths         self.keyword = keyword       def run(self):         for path in self.paths:             if not os.path.isfile(path):                 continue             reader = FileReader(path, self.keyword)             reader.update_line.connect(self.update_line.emit)             reader.start()             reader.wait()         self.finished.emit()   class MainWindow(QMainWindow):     def __init__(self):         super().__init__()         self.current_matches = []         self.search_thread = None         self.file_reader = None         self.start_time = 0         self.init_ui()       def init_ui(self):         self.setWindowTitle("PyQt6文件搜索工具")         self.setGeometry(100, 100, 1200, 700)           main_widget = QWidget()         self.setCentralWidget(main_widget)         main_layout = QVBoxLayout(main_widget)           # 顶部控制面板         top_panel = QWidget()         top_layout = QGridLayout(top_panel)                   self.folder_input = DraggableLineEdit()         self.ext_input = QLineEdit(".txt")         self.keyword_input = QLineEdit()         self.btn_search = QPushButton("开始搜索")         self.btn_search.clicked.connect(self.start_search)           top_layout.addWidget(QLabel("目标文件夹:"), 0, 0)         top_layout.addWidget(self.folder_input, 0, 1)         top_layout.addWidget(self.create_browse_btn(), 0, 2)         top_layout.addWidget(QLabel("文件后缀:"), 1, 0)         top_layout.addWidget(self.ext_input, 1, 1)         top_layout.addWidget(QLabel("搜索内容:"), 2, 0)         top_layout.addWidget(self.keyword_input, 2, 1)         top_layout.addWidget(self.btn_search, 0, 3, 3, 1)           # 统计信息         stats_panel = QWidget()         stats_layout = QHBoxLayout(stats_panel)         self.file_count = QLabel("文件总数: 0")         self.line_count = QLabel("匹配行数: 0")         self.time_label = QLabel("耗时: 0.00秒")         stats_layout.addWidget(self.file_count)         stats_layout.addWidget(self.line_count)         stats_layout.addWidget(self.time_label)           # 主内容区域         content_panel = QWidget()         content_layout = QHBoxLayout(content_panel)           # 左侧结果树         self.tree = QTreeWidget()         self.tree.setHeaderLabels(["文件名", "大小", "路径"])         self.tree.setColumnWidth(0, 250)         self.tree.setColumnWidth(1, 100)         self.tree.doubleClicked.connect(self.on_tree_double_click)         tree_scroll = QScrollArea()         tree_scroll.setWidgetResizable(True)         tree_scroll.setWidget(self.tree)           # 右侧面板         right_panel = QWidget()         right_layout = QVBoxLayout(right_panel)           # 按钮面板         btn_panel = QWidget()         btn_layout = QHBoxLayout(btn_panel)         self.btn_search_all = QPushButton("搜索所有文件")         self.btn_export_matches = QPushButton("导出结果")         self.btn_export_tree = QPushButton("导出树信息")         self.btn_import_tree = QPushButton("导入树信息")         btn_layout.addWidget(self.btn_search_all)         btn_layout.addWidget(self.btn_export_matches)         btn_layout.addWidget(self.btn_export_tree)         btn_layout.addWidget(self.btn_import_tree)           # 单文件搜索         single_panel = QWidget()         single_layout = QHBoxLayout(single_panel)         self.single_input = DraggableLineEdit()         btn_single = QPushButton("搜索")         btn_single.clicked.connect(self.single_file_search)         single_layout.addWidget(QLabel("单文件搜索:"))         single_layout.addWidget(self.single_input)         single_layout.addWidget(btn_single)           # 匹配列表         self.match_list = QListWidget()         self.match_list.doubleClicked.connect(self.on_list_double_click)         list_scroll = QScrollArea()         list_scroll.setWidgetResizable(True)         list_scroll.setWidget(self.match_list)           # 详情文本框         self.detail_text = QTextEdit()         self.detail_text.setReadOnly(True)           right_layout.addWidget(single_panel)         right_layout.addWidget(btn_panel)         right_layout.addWidget(list_scroll)         right_layout.addWidget(self.detail_text)           content_layout.addWidget(tree_scroll)         content_layout.addWidget(right_panel)           main_layout.addWidget(top_panel)         main_layout.addWidget(stats_panel)         main_layout.addWidget(content_panel)           # 连接新按钮信号         self.btn_search_all.clicked.connect(self.search_all_files)         self.btn_export_matches.clicked.connect(self.export_match_list)         self.btn_export_tree.clicked.connect(self.export_tree_info)         self.btn_import_tree.clicked.connect(self.import_tree_info)       def create_browse_btn(self):         btn = QPushButton("浏览")         btn.clicked.connect(self.browse_folder)         btn.setFixedSize(QSize(80, 30))         return btn       def browse_folder(self):         path = QFileDialog.getExistingDirectory(self, "选择文件夹")         if path:             self.folder_input.setText(path)       def start_search(self):         if self.search_thread and self.search_thread.isRunning():             return           folder = self.folder_input.text()         exts = self.ext_input.text().strip().split(";")         keyword = self.keyword_input.text().strip()           if not all([folder, exts, keyword]):             QMessageBox.critical(self, "错误", "请填写所有搜索条件")             return           self.tree.clear()         self.match_list.clear()         self.current_matches = []         self.update_counts()         self.start_time = time.time()           self.search_thread = SearchWorker(folder, exts, keyword)         self.search_thread.update_file.connect(self.add_file_result)         self.search_thread.finished.connect(self.on_search_finished)         self.search_thread.start()         self.btn_search.setEnabled(False)       def add_file_result(self, data):         item = QTreeWidgetItem()         item.setText(0, data["name"])         item.setText(1, data["size"])         item.setText(2, data["path"])         self.tree.addTopLevelItem(item)         self.file_count.setText(f"文件总数: {self.tree.topLevelItemCount()}")       def on_search_finished(self):         self.btn_search.setEnabled(True)         elapsed = time.time() - self.start_time         self.time_label.setText(f"耗时: {elapsed:.2f}秒")       def single_file_search(self):         path = self.single_input.text()         keyword = self.keyword_input.text().strip()           if not os.path.isfile(path):             QMessageBox.critical(self, "错误", "无效的文件路径")             return           self.match_list.clear()         self.current_matches = []         self.file_reader = FileReader(path, keyword)         self.file_reader.update_line.connect(self.match_list.addItem)         self.file_reader.finished.connect(lambda: (             self.line_count.setText(f"匹配行数: {self.match_list.count()}"),             self.current_matches.extend(self.file_reader.results)         ))         self.file_reader.start()       def on_tree_double_click(self):         item = self.tree.currentItem()         if not item: return                   path = item.text(2)         keyword = self.keyword_input.text().strip()         self.match_list.clear()         self.current_matches = []                   self.file_reader = FileReader(path, keyword)         self.file_reader.update_line.connect(self.match_list.addItem)         self.file_reader.finished.connect(lambda: (             self.line_count.setText(f"匹配行数: {self.match_list.count()}"),             self.current_matches.extend(self.file_reader.results)         ))         self.file_reader.start()       def on_list_double_click(self):         index = self.match_list.currentRow()         if 0 <= index < len(self.current_matches):             self.detail_text.setPlainText(self.current_matches[index])       def search_all_files(self):         paths = []         root = self.tree.invisibleRootItem()         for i in range(root.childCount()):             item = root.child(i)             paths.append(item.text(2))           keyword = self.keyword_input.text().strip()         if not keyword:             QMessageBox.critical(self, "错误", "请输入搜索关键字")             return           self.match_list.clear()         self.current_matches = []         self.all_files_reader = AllFilesReader(paths, keyword)         self.all_files_reader.update_line.connect(self.match_list.addItem)         self.all_files_reader.finished.connect(lambda: (             self.line_count.setText(f"匹配行数: {self.match_list.count()}"),             self.current_matches.extend(self.file_reader.results) if self.file_reader else None         ))         self.all_files_reader.start()       def export_match_list(self):         keyword = self.keyword_input.text().strip() or "search"         timestamp = time.strftime("%Y%m%d_%H%M%S")         filename = f"{keyword}_{timestamp}.txt"         desktop = f"D:/桌面/"         path = os.path.join(desktop, filename)           with open(path, 'w', encoding='utf-8') as f:             for i in range(self.match_list.count()):                 f.write(self.match_list.item(i).text() + "\n")           QMessageBox.information(self, "导出完成", f"文件已保存到：{path}")       def export_tree_info(self):         items = []         root = self.tree.invisibleRootItem()         for i in range(root.childCount()):             item = root.child(i)             items.append("\t".join([                 item.text(0),                 item.text(1),                 item.text(2)             ]))           timestamp = time.strftime("%Y%m%d_%H%M%S")         filename = f"tree_export_{timestamp}.txt"         desktop = f"D:/桌面/"         path = os.path.join(desktop, filename)           with open(path, 'w', encoding='utf-8') as f:             f.write("\n".join(items))           QMessageBox.information(self, "导出完成", f"树结构已保存到：{path}")       def import_tree_info(self):         path, _ = QFileDialog.getOpenFileName(self, "选择导入文件", "", "文本文件 (*.txt)")         if not path:             return           self.tree.clear()         with open(path, 'r', encoding='utf-8') as f:             for line in f:                 parts = line.strip().split('\t')                 if len(parts) != 3:                     continue                 item = QTreeWidgetItem()                 item.setText(0, parts[0])                 item.setText(1, parts[1])                 item.setText(2, parts[2])                 self.tree.addTopLevelItem(item)         self.file_count.setText(f"文件总数: {self.tree.topLevelItemCount()}")       def update_counts(self):         self.file_count.setText(f"文件总数: {self.tree.topLevelItemCount()}")         self.line_count.setText(f"匹配行数: {self.match_list.count()}")   if __name__ == "__main__":     app = QApplication(sys.argv)     window = MainWindow()     window.show()     sys.exit(app.exec())

蓝奏打包好的链接：https://wwfh.lanzout.com/islwx2r8v6ch

bacon159

谢谢楼主

dongrgg

谢谢楼主，不错

sjc140400

谢谢楼主分享

softwkl

谢谢分享

xianshiqi

楼主辛苦！之前的就挺不错，试试新版

xiaohan2025

谢谢分享

ACGZOOM

这个牛了，可以搜索文档内容

MumuLC

谢谢分享！

飘浮

下载测试下。。