from PySide6.QtWidgets import QWidget, QLabel, QMessageBox, QVBoxLayout, QTreeWidget, QHeaderView, QHBoxLayout, QPushButton, QFrame, QLineEdit, QCheckBox, QTreeWidgetItem, QDialog, QPlainTextEdit, QApplication from PySide6.QtCore import Qt, Signal, QSize from PySide6.QtGui import QColor, QIcon, QKeySequence, QIntValidator, QShortcut from codes.common.signal_bus import signal_bus from codes.common import db_operation from codes.common import clibs from codes.common.qss_reloader import qss_reloader class LogDialog(QDialog): def __init__(self, content, parent=None): super().__init__(parent) self.setWindowTitle("日志详情") self.setGeometry(100, 100, 700, 300) self.center_on_screen() layout = QVBoxLayout(self) self.plain_text_edit = QPlainTextEdit() self.plain_text_edit.setReadOnly(True) self.plain_text_edit.setPlainText(content) layout.addWidget(self.plain_text_edit) def center_on_screen(self): screen_geometry = QApplication.primaryScreen().geometry() screen_width = screen_geometry.width() screen_height = screen_geometry.height() dialog_width = self.width() dialog_height = self.height() x = (screen_width - dialog_width) // 2 y = (screen_height - dialog_height) // 2 self.move(x, y) class PageNumberInput(QDialog): def __init__(self, parent=None): super().__init__(parent) self.init_ui() self.setup_slot() def setup_slot(self): QShortcut(QKeySequence("Esc"), self).activated.connect(self.reject) self.le_page_number.returnPressed.connect(self.accept) self.le_page_number.returnPressed.connect(self.get_page_number) def init_ui(self): self.setMinimumSize(300,100) self.setMaximumSize(400,120) self.resize(300, 100) self.setWindowIcon(QIcon(clibs.icon)) self.setWindowTitle("输入页码") layout_h = QHBoxLayout() layout_h.addStretch(1) self.le_page_number = QLineEdit(self) self.le_page_number.setText("1") self.le_page_number.selectAll() self.le_page_number.setValidator(QIntValidator(0, 9999999, self)) layout_h.addWidget(self.le_page_number, stretch=4) layout_h.addStretch(1) self.setLayout(layout_h) def get_page_number(self): text = self.le_page_number.text() return 1 if text == 0 else int(text) class ClickableLabel(QLabel): clicked = Signal() def mousePressEvent(self, event): if event.button() == Qt.MouseButton.LeftButton: self.clicked.emit() super().mousePressEvent(event) class W08Log(QWidget): def __init__(self, parent=None): super().__init__(parent) self.pre_do() self.ui_init() self.post_do() def pre_do(self): self.records, self.len_records = "", "" self.is_searching = False self.max_item_number = clibs.config["log_number_per_page"] def ui_init(self): self.setObjectName("W08Log") layout_v = QVBoxLayout(self) self.treeW = QTreeWidget() self.treeW.setObjectName("treeW") self.treeW.setHeaderLabels(["ID", "时间戳", "告警级别", "模块信息", "告警内容"]) self.treeW.headerItem().setTextAlignment(0, Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter) self.header = self.treeW.header() self.header.setObjectName("header") for i in range(self.treeW.columnCount()): self.header.setSectionResizeMode(i, QHeaderView.ResizeMode.ResizeToContents) layout_v.addWidget(self.treeW, stretch=9) layout_h = QHBoxLayout() self.pb_previous = QPushButton("上一页") self.pb_previous.setObjectName("pb_previous") layout_h.addWidget(self.pb_previous, stretch=1) self.lb_page = ClickableLabel("999999/999999") self.lb_page.setObjectName("lb_page") self.lb_page.setAlignment(Qt.AlignmentFlag.AlignCenter) self.lb_page.setMinimumWidth(144) layout_h.addWidget(self.lb_page, stretch=2) self.pb_next = QPushButton("下一页") self.pb_next.setObjectName("pb_next") layout_h.addWidget(self.pb_next, stretch=1) layout_h.addStretch(9) self.frame_checkbox = QFrame() self.frame_checkbox.setObjectName("frame_checkbox") layout_h_checkbox = QHBoxLayout() self.box_info = QCheckBox("通知", parent=self.frame_checkbox) self.box_info.setObjectName("box_info") self.box_info.setChecked(True) layout_h_checkbox.addWidget(self.box_info, stretch=1) self.box_warning = QCheckBox("告警", parent=self.frame_checkbox) self.box_warning.setObjectName("box_warning") self.box_warning.setChecked(True) layout_h_checkbox.addWidget(self.box_warning, stretch=1) self.box_error = QCheckBox("错误", parent=self.frame_checkbox) self.box_error.setObjectName("box_error") self.box_error.setChecked(True) layout_h_checkbox.addWidget(self.box_error, stretch=1) self.box_exception = QCheckBox("异常", parent=self.frame_checkbox) self.box_exception.setObjectName("box_exception") self.box_exception.setChecked(True) layout_h_checkbox.addWidget(self.box_exception, stretch=1) self.box_unknown = QCheckBox("未知", parent=self.frame_checkbox) self.box_unknown.setObjectName("box_unknown") self.box_unknown.setChecked(True) layout_h_checkbox.addWidget(self.box_unknown, stretch=1) layout_h.addLayout(layout_h_checkbox, stretch=4) self.le_search = QLineEdit() self.le_search.setObjectName("le_search") self.le_search.setPlaceholderText("告警内容") self.le_search.setMinimumWidth(300) layout_h.addWidget(self.le_search, stretch=5) self.pb_search = QPushButton("查找") self.pb_search.setObjectName("pb_search") layout_h.addWidget(self.pb_search, stretch=1) layout_v.addLayout(layout_h, stretch=1) self.setLayout(layout_v) def post_do(self): qss_reloader.register(clibs.qss_w08_log, self) self.setup_slot() self.setup_sc() def setup_slot(self): self.treeW.itemDoubleClicked.connect(self.show_single_log) self.pb_previous.clicked.connect(self.previous_page) self.pb_next.clicked.connect(self.next_page) self.pb_search.clicked.connect(self.search_page) self.le_search.returnPressed.connect(self.search_page) self.lb_page.clicked.connect(self.goto_page) signal_bus.stacked_page_switch_log.connect(self.show_latest_page) def setup_sc(self): ... def previous_page(self): if not self.is_searching: self.records, self.len_records = db_operation.db_query_logs(None) current, total = self.lb_page.text().split("/") page_number = int(current) - 1 self.show_page(self.records, self.len_records, page_number=page_number) def next_page(self): if not self.is_searching: self.records, self.len_records = db_operation.db_query_logs(None) current, total = self.lb_page.text().split("/") page_number = int(current) + 1 self.show_page(self.records, self.len_records, page_number=page_number) def search_page(self): filters = {"info": self.box_info.isChecked(), "warning": self.box_warning.isChecked(), "error": self.box_error.isChecked(), "exception": self.box_exception.isChecked(), "unknown": self.box_unknown.isChecked()} search_text = self.le_search.text().strip() flag, levels = False, [] for level, enable in filters.items(): if not enable: continue flag = True levels.append(level) if not flag: QMessageBox().warning(None, "警告", "至少选择一个过滤器！") return self.records, self.len_records = db_operation.db_query_logs(levels) if search_text: self.records, self.len_records = db_operation.db_query_logs(search_text, self.records) self.is_searching = True self.show_page(self.records, self.len_records, page_number=None) def goto_page(self): dlg = PageNumberInput() if dlg.exec() != 1: return page_number = dlg.get_page_number() if not self.is_searching: self.records, self.len_records = db_operation.db_query_logs(None) self.show_page(self.records, self.len_records, page_number=page_number) def show_latest_page(self): self.records, self.len_records = db_operation.db_query_logs(None) self.is_searching = False self.box_info.setChecked(True) self.box_warning.setChecked(True) self.box_error.setChecked(True) self.box_exception.setChecked(True) self.box_unknown.setChecked(True) self.le_search.clear() self.show_page(self.records, self.len_records, page_number=None) def show_page(self, records, len_records, page_number: int | None): if len_records == 0: self.treeW.clear() return remainder = len_records % self.max_item_number total = len_records // self.max_item_number + 1 if remainder else len_records // self.max_item_number if page_number is None: current = total elif page_number <= 0: current = 1 elif page_number < total: current = page_number else: current = total self.lb_page.setText(f"{current}/{total}") if current == 1: idx_start = 0 idx_end = self.max_item_number if len_records >= self.max_item_number else len_records elif current == total: remainder = len_records % self.max_item_number idx_start = len_records - remainder if remainder else len_records - self.max_item_number idx_end = len_records else: idx_start = self.max_item_number * (current-1) idx_end = self.max_item_number * current self.treeW.clear() self.treeW.setUniformRowHeights(True) for record in records[idx_start:idx_end]: record = [str(_) for _ in record] item = QTreeWidgetItem(self.treeW, record) colors = { "info": QColor(255, 255, 255), # 白色 "warning": QColor(244, 164, 96), # 棕橙色 "error": QColor(205, 92, 92), # 印度红 "exception": QColor(70, 130, 180), # 钢蓝色 "unknown": QColor(190, 190, 190) # 灰色 } # colors = {"info": "#FFFFFF", "warning": "#F4A460", "error": "#CD5C5C", "exception": "#4682B4", "unknown": "#BEBEBE"} level = record[2] color = colors.get(level, QColor(255, 255, 255)) for col in range(self.treeW.columnCount()): item.setBackground(col, color) self.treeW.addTopLevelItem(item) self.treeW.scrollToBottom() def show_single_log(self, item, column): log_id = f"id = {item.text(0)}" log_ts = f"ts = {item.text(1)}" log_level = f"level = {item.text(2)}" log_module = f"module = {item.text(3)}\n" deco_line = "=" * 40 log_msg = item.text(4) content = "\n".join([log_id, log_ts, log_level, log_module, deco_line, log_msg]) dialog = LogDialog(content, self) dialog.exec()