python：treewidght使用、字典使用、鼠标右键功能、Fernet加密、中文保存.bin、文件权限修改、QMessageBox reply使用
主窗口：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'caiya_2.ui'
#
# Created by: PyQt5 UI code generator 5.14.2
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(800, 600)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.centralwidget)
self.verticalLayout.setObjectName("verticalLayout")
self.label = QtWidgets.QLabel(self.centralwidget)
font = QtGui.QFont()
font.setFamily("华文楷体")
font.setPointSize(16)
self.label.setFont(font)
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setObjectName("label")
self.verticalLayout.addWidget(self.label)
self.line = QtWidgets.QFrame(self.centralwidget)
self.line.setFrameShape(QtWidgets.QFrame.HLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.verticalLayout.addWidget(self.line)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
font = QtGui.QFont()
font.setPointSize(12)
self.pushButton.setFont(font)
self.pushButton.setText("")
self.pushButton.setObjectName("pushButton")
self.horizontalLayout.addWidget(self.pushButton)
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
font = QtGui.QFont()
font.setFamily("Times New Roman")
font.setPointSize(12)
self.lineEdit.setFont(font)
self.lineEdit.setObjectName("lineEdit")
self.horizontalLayout.addWidget(self.lineEdit)
self.verticalLayout.addLayout(self.horizontalLayout)
self.verticalLayout_2 = QtWidgets.QVBoxLayout()
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.treeWidget = QtWidgets.QTreeWidget(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.treeWidget.sizePolicy().hasHeightForWidth())
self.treeWidget.setSizePolicy(sizePolicy)
font = QtGui.QFont()
font.setFamily("Times New Roman")
font.setPointSize(12)
self.treeWidget.setFont(font)
self.treeWidget.setObjectName("treeWidget")
self.treeWidget.headerItem().setText(0, "1")
self.verticalLayout_2.addWidget(self.treeWidget)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
font = QtGui.QFont()
font.setFamily("Times New Roman")
font.setPointSize(12)
self.textBrowser.setFont(font)
self.textBrowser.setObjectName("textBrowser")
self.horizontalLayout_3.addWidget(self.textBrowser)
self.verticalLayout_3 = QtWidgets.QVBoxLayout()
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.textBrowser_2 = QtWidgets.QTextBrowser(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.textBrowser_2.sizePolicy().hasHeightForWidth())
self.textBrowser_2.setSizePolicy(sizePolicy)
font = QtGui.QFont()
font.setFamily("宋体")
font.setPointSize(12)
self.textBrowser_2.setFont(font)
self.textBrowser_2.setObjectName("textBrowser_2")
self.verticalLayout_3.addWidget(self.textBrowser_2)
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
font = QtGui.QFont()
font.setFamily("楷体")
font.setPointSize(12)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.horizontalLayout_2.addWidget(self.label_3)
self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
font = QtGui.QFont()
font.setFamily("宋体")
font.setPointSize(12)
self.lineEdit_2.setFont(font)
self.lineEdit_2.setObjectName("lineEdit_2")
self.horizontalLayout_2.addWidget(self.lineEdit_2)
self.verticalLayout_3.addLayout(self.horizontalLayout_2)
self.horizontalLayout_3.addLayout(self.verticalLayout_3)
self.verticalLayout_2.addLayout(self.horizontalLayout_3)
self.verticalLayout.addLayout(self.verticalLayout_2)
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "mainwindow"))
self.label.setText(_translate("MainWindow", "电子记录"))
self.label_3.setText(_translate("MainWindow", "目录"))
副窗口：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'caiya_3.ui'
#
# Created by: PyQt5 UI code generator 5.14.2
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(800, 600)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.centralwidget)
self.verticalLayout.setObjectName("verticalLayout")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setAlignment(QtCore.Qt.AlignCenter)
self.label_3.setObjectName("label_3")
self.verticalLayout.addWidget(self.label_3)
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setObjectName("label_2")
self.horizontalLayout_2.addWidget(self.label_2)
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setObjectName("lineEdit")
self.horizontalLayout_2.addWidget(self.lineEdit)
self.verticalLayout.addLayout(self.horizontalLayout_2)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setObjectName("label_4")
self.horizontalLayout_3.addWidget(self.label_4)
self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_2.setObjectName("lineEdit_2")
self.horizontalLayout_3.addWidget(self.lineEdit_2)
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setObjectName("label_5")
self.horizontalLayout_3.addWidget(self.label_5)
self.lineEdit_3 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_3.setObjectName("lineEdit_3")
self.horizontalLayout_3.addWidget(self.lineEdit_3)
self.verticalLayout.addLayout(self.horizontalLayout_3)
self.horizontalLayout_4 = QtWidgets.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setObjectName("label_6")
self.horizontalLayout_4.addWidget(self.label_6)
self.lineEdit_4 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_4.setObjectName("lineEdit_4")
self.horizontalLayout_4.addWidget(self.lineEdit_4)
self.verticalLayout.addLayout(self.horizontalLayout_4)
self.line = QtWidgets.QFrame(self.centralwidget)
self.line.setFrameShape(QtWidgets.QFrame.HLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.verticalLayout.addWidget(self.line)
self.horizontalLayout_5 = QtWidgets.QHBoxLayout()
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
self.label_7 = QtWidgets.QLabel(self.centralwidget)
self.label_7.setObjectName("label_7")
self.horizontalLayout_5.addWidget(self.label_7)
self.lineEdit_5 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_5.setAlignment(QtCore.Qt.AlignCenter)
self.lineEdit_5.setObjectName("lineEdit_5")
self.horizontalLayout_5.addWidget(self.lineEdit_5)
self.verticalLayout.addLayout(self.horizontalLayout_5)
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setObjectName("label")
self.verticalLayout.addWidget(self.label)
self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
self.textEdit.setObjectName("textEdit")
self.verticalLayout.addWidget(self.textEdit)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setObjectName("pushButton")
self.horizontalLayout.addWidget(self.pushButton)
spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout.addItem(spacerItem)
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setObjectName("pushButton_2")
self.horizontalLayout.addWidget(self.pushButton_2)
self.verticalLayout.addLayout(self.horizontalLayout)
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "信息输入"))
self.label_3.setText(_translate("MainWindow", "基本信息"))
self.label_2.setText(_translate("MainWindow", "标题："))
self.label_4.setText(_translate("MainWindow", "姓名："))
self.label_5.setText(_translate("MainWindow", "班级："))
self.label_6.setText(_translate("MainWindow", "链接："))
self.label_7.setText(_translate("MainWindow", "分类："))
self.label.setText(_translate("MainWindow", "备注消息："))
self.pushButton.setText(_translate("MainWindow", "确定"))
self.pushButton_2.setText(_translate("MainWindow", "取消"))
main代码：
import sys
from cryptography.fernet import Fernet
import os
from stat import S_IROTH,S_IWRITE
import struct
import random
import pickle
import qtawesome
from PyQt5 import QtWidgets
from PyQt5.QtWidgets import QApplication, QMessageBox, QTreeWidgetItem, QMenu
from PyQt5.QtCore import Qt
import caiya_2
import caiya_3
key_list=[b'm8jj9QWq2zmebJyvF8d_WFmUGflkfNbP-QVms7gJ4Vc=', b'EcuWvJ2aWUrAJ3Wdt0LmnfJy6ES3YzWvR4MP7ilwCLY=',
b'00Aj75upYXW1YB9lGm-vWeTulAQ3FWarxH6IumzBAf8=', b'K14MYHjJvQljdIlVPU0TjWYaI_8MmsekwlvU9hE9K4A=',
b'1jWrIDnrW9IKNW_Q0NKE_jssc-Wad73bfgHVT8GmBpU=', b'OUqmLUQhti5lEdKL6YPYWx94Xmo-QiZBX1t9gK0OvTU=',
b'5RIhRzs5KS7e3DyKzc_4SN3pmxIlzltLmP8lK1CzP5E=', b'pgAYIISedDl1rK0ag96-B08bOrB3iaoxyU9kOPpKRnw=',
b'aldczwkDaBwvdtgCgIRU5gGZPtOK25VUAb7cLKc0XT0=', b'94q4-JHp_xaKiSjq1Tto8NAqllCCDYMlkjiCwS1Y9rs=']
class my_mainwindow(object):
def __init__(self):
app = QApplication(sys.argv)
app.setWindowIcon(qtawesome.icon('fa.shield', color='blue'))
#########################
self.myMainWindow =MainWindow()
self.myui = caiya_2.Ui_MainWindow()
self.myui.setupUi(self.myMainWindow)
self.Secondary_window = QtWidgets.QMainWindow()
self.mini = caiya_3.Ui_MainWindow()
self.mini.setupUi(self.Secondary_window)
self.Secondary_window.setFixedSize(600, 400) # 禁止缩放
self.Secondary_window.setWindowFlags(Qt.WindowMinimizeButtonHint) # 仅保存缩小按钮
# self.mini.lineEdit_5.setEnabled(False)
self.myui.pushButton.setIcon(qtawesome.icon('fa.search', color='blue'))
#********************************************************************************
#获取数据
self.dictforcontent=self.strread(key_list)
if self.dictforcontent== {}:
self.dictforcontent={'标题': ['新建条目'],
'姓名': ['输入名字~'],
'班级': ['xxx'],
'链接': ['xxx'],
'备注': ['xxx'],
'ID': ['xxx']}
listforsort=set(self.dictforcontent["ID"])
#end
#treewidght创建
self.myui.treeWidget.setHeaderLabels(["目录","简述"])
for name in listforsort:
root = QTreeWidgetItem(self.myui.treeWidget) # 创建节点
root.setIcon(0, qtawesome.icon('fa.folder', color='green'))
root.setText(0, name) # 设置顶级节点文本
for i in range(len(self.dictforcontent["ID"])): # 遍历字典的ID值
value=self.dictforcontent["ID"][i]
if value==name:
child = QTreeWidgetItem(root) # 创建子节点
child.setIcon(0, qtawesome.icon('fa.hand-o-right', color='black'))
child.setText(0, self.dictforcontent["标题"][i]) # 设置第一列的值
child.setText(1, self.dictforcontent["姓名"][i]) # 设置第二列的值
self.myui.treeWidget.setAlternatingRowColors(True)
self.myui.treeWidget.addTopLevelItem(root) # 将创建的树节点添加到树控件中
#单机绑定事件
self.myui.treeWidget.clicked.connect(self.gettext)
#右键功能开启
self.myui.treeWidget.setContextMenuPolicy(Qt.CustomContextMenu) # 打开右键菜单的策略
self.myui.treeWidget.customContextMenuRequested.connect(self.do_custom_context_menu_request)# 绑定事件
#相关变量初始化
self.Right_click = True # treewidght的右键功能使能
self.row_num = -1 # 节点的行号
self.parent_num = -1 # 存放行的父节点的行号
self.childcnt = 0 #保存字典选中的inx
self.lastID=''#保存原始ID
#按键绑定打开
self.click_pushbutton(self.myMainWindow)
#********************************************************************************
self.myMainWindow.show()
#####################
sys.exit(app.exec_())
def click_pushbutton(self,myMainWindow):
self.myui.pushButton.clicked.connect(lambda: self.find(myMainWindow))
self.mini.pushButton.clicked.connect(self.modify)
self.mini.pushButton_2.clicked.connect(self.miniclose)
def find(self,myMainWindow):
findstr = self.myui.lineEdit.text()
if len(findstr) == 0:
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("空气搜不到哦")
else:
cnt_match=0
self.myui.textBrowser_2.clear()
for i in range(len(self.dictforcontent["标题"])):
result = findstr in self.dictforcontent["标题"][i]
if result==True:
cnt_match=cnt_match+1
self.myui.textBrowser_2.append("**匹配姓名%d**"%(cnt_match))
self.myui.textBrowser_2.append("姓名匹配：%s" % (self.dictforcontent["标题"][i]))
self.myui.textBrowser_2.append("目录ID：%s" % (self.dictforcontent["ID"][i]))
if cnt_match==0:
self.myui.textBrowser_2.append("未发现匹配内容")
def gettext(self):
account=self.myui.treeWidget.currentItem().text(0)
self.myui.lineEdit_2.setText(account)
for i in range(len(self.dictforcontent["标题"])): # 遍历字典的标题值
value = self.dictforcontent["标题"][i]
if value == account:
self.myui.textBrowser.clear()
self.myui.textBrowser.append("标题:%s" %self.dictforcontent["标题"][i])
self.myui.textBrowser.append("姓名:%s" % self.dictforcontent["姓名"][i])
self.myui.textBrowser.append("班级:%s" % self.dictforcontent["班级"][i])
self.myui.textBrowser.append("链接:%s" % self.dictforcontent["链接"][i])
self.myui.textBrowser.append("备注:%s" % self.dictforcontent["备注"][i])
def do_custom_context_menu_request(self,pos):
row_num = -1 # 当前节点的行号
parent_num = -1 # 存放当前行的父节点的行号
if self.myui.treeWidget.selectionModel().selection().indexes() !=[] and self.Right_click:
for i in self.myui.treeWidget.selectionModel().selection().indexes():
row_num = i.row()
parent_num = i.parent().row()
if parent_num == -1:
menu = QMenu()
item1 = menu.addAction(u"删除这一分类")
item2 = menu.addAction(u"增加一个分类")
item3 = menu.addAction(u"修改这一分类")
item4 = menu.addAction(u"增加一条记录")
action = menu.exec_(self.myui.treeWidget.mapToGlobal(pos))
if action == item1:
IDmodifyflag = 0
# 判断当前目录下是否有值
for i in self.dictforcontent["ID"]:
if i == self.myui.treeWidget.currentItem().text(0):
QMessageBox.information(self.myMainWindow, "提醒你一下", "这个目录下面有内容，先删掉内容", QMessageBox.Yes)
IDmodifyflag = 1
break
if IDmodifyflag==0:
reply = QMessageBox.question(self.myMainWindow, "问你一下", "你确定要删除吗？",
QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
delitem = self.myui.treeWidget.currentItem()
rootIndex = self.myui.treeWidget.indexOfTopLevelItem(delitem)
self.myui.treeWidget.takeTopLevelItem(rootIndex)
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("目录删除成功")
elif action == item2:
reply = QMessageBox.question(self.myMainWindow, "问你一下", "确定要增加一条并且目录已经在右下角更新好了吗？",
QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
IDmodifyflag = 0
# 判断顶层节点是否重复
# 获取最顶级节点的总数
rootCount = self.myui.treeWidget.topLevelItemCount()
for i in range(rootCount):
# 取得顶层项的item索引地址
rootItem = self.myui.treeWidget.topLevelItem(i)
rootKey = rootItem.text(0)
if rootKey == str(self.myui.lineEdit_2.text()):
QMessageBox.information(self.myMainWindow, "提醒你一下", "你重复了", QMessageBox.Yes)
IDmodifyflag = 1
break
if IDmodifyflag==0:
root = QTreeWidgetItem(self.myui.treeWidget) # 创建节点
root.setIcon(0, qtawesome.icon('fa.folder', color='green'))
root.setText(0, self.myui.lineEdit_2.text()) # 设置顶级节点文本
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("目录增加成功")
elif action == item3:
reply = QMessageBox.question(self.myMainWindow, "问你一下", "确定要修改吗？",
QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
IDmodifyflag = 0
# 判断ID是否重复
for i in self.dictforcontent["ID"]:
if i== self.myui.lineEdit_2.text() and self.myui.lineEdit_2.text()!=self.myui.treeWidget.currentItem().text(0):
QMessageBox.information(self.myMainWindow, "提醒你一下", "修改内容已存在", QMessageBox.Yes)
IDmodifyflag = 1
break
if IDmodifyflag == 0:
for i in range(len(self.dictforcontent["ID"])):
if self.dictforcontent["ID"][i] ==self.myui.treeWidget.currentItem().text(0):
self.dictforcontent["ID"][i]=self.myui.lineEdit_2.text()
self.myui.treeWidget.currentItem().setText(0,self.myui.lineEdit_2.text())
# 更新数据库
self.strwrite(key_list, self.dictforcontent)
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("目录修改成功")
elif action == item4:
flagforcontinue=0
for i in self.dictforcontent["标题"]:
if i=="新增条目":
QMessageBox.information(self.myMainWindow, "提醒你一下", "已经有新增的",QMessageBox.Yes)
flagforcontinue=1
break
if flagforcontinue==0:
reply = QMessageBox.question(self.myMainWindow, "问你一下", "确定要增加一条吗？",
QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
self.dictforcontent["标题"].append("新增条目")
self.dictforcontent["姓名"].append("记得要修改它哦")
self.dictforcontent["班级"].append("xxx")
self.dictforcontent["链接"].append("xxx")
self.dictforcontent["备注"].append("xxx")
self.dictforcontent["ID"].append(self.myui.treeWidget.currentItem().text(0))
# 根据传入的节点 Item 和节点名称，增加子节点
item = self.myui.treeWidget.currentItem()
childItem = QtWidgets.QTreeWidgetItem(item)
childItem.setIcon(0, qtawesome.icon('fa.hand-o-right', color='black'))
childItem.setText(0, self.dictforcontent["标题"][-1]) # 设置第一列的值
childItem.setText(1, self.dictforcontent["姓名"][-1]) # 设置第二列的值
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("条目增加成功")
else:
return
else:
menu = QMenu()
item1 = menu.addAction(u"删除这条记录")
item2 = menu.addAction(u"修改一条记录")
action = menu.exec_(self.myui.treeWidget.mapToGlobal(pos))
if action == item1:
reply=QMessageBox.question(self.myMainWindow, "问你一下哦", "你确定要删除吗？", QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
delitem=self.myui.treeWidget.currentItem()
delitem.parent().removeChild(delitem)
self.find_dict_inx(parent_num, row_num)
#删除字典对应内容
del self.dictforcontent["标题"][self.childcnt]
del self.dictforcontent["姓名"][self.childcnt]
del self.dictforcontent["班级"][self.childcnt]
del self.dictforcontent["链接"][self.childcnt]
del self.dictforcontent["备注"][self.childcnt]
del self.dictforcontent["ID"][self.childcnt]
# 更新数据库
self.strwrite(key_list, self.dictforcontent)
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("数据删除成功")
elif action == item2:
reply=QMessageBox.question(self.myMainWindow, "问你一下", "确定要修改吗？", QMessageBox.Yes | QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
self.Right_click=False
self.parent_num=parent_num
self.row_num=row_num
self.find_dict_inx(parent_num,row_num)
#显示源数据
self.mini.lineEdit.setText(self.dictforcontent["标题"][self.childcnt])
self.mini.lineEdit_2.setText(self.dictforcontent["姓名"][self.childcnt])
self.mini.lineEdit_3.setText(self.dictforcontent["班级"][self.childcnt])
self.mini.lineEdit_4.setText(self.dictforcontent["链接"][self.childcnt])
self.mini.textEdit.setText(self.dictforcontent["备注"][self.childcnt])
self.lastID=self.myui.treeWidget.topLevelItem(self.parent_num).text(0)
self.mini.lineEdit_5.setText(self.lastID)
self.Secondary_window.show()
else:
return
def find_dict_inx(self,userparent_num,userrow_num):
self.childcnt=0
toptreename = self.myui.treeWidget.topLevelItem(userparent_num).text(0)
for i in range(len(self.dictforcontent["ID"])):
if self.dictforcontent["ID"][i] == toptreename:
self.childcnt = self.childcnt + 1
if self.childcnt == (userrow_num + 1):
self.childcnt = i
break
def modify(self):
modifyflag=0
IDchanged=0
IDexist=0
#判断新建标题是否重复
for i in range(len(self.dictforcontent["标题"])):
if self.dictforcontent["标题"][i] == str(self.mini.lineEdit.text()) and i!=self.childcnt:
QMessageBox.information(self.myMainWindow, "提醒你一下", "你的标题重复", QMessageBox.Yes)
modifyflag = 1
self.Right_click = True
break
#判断ID是否当前已存在
for i in self.dictforcontent["ID"]:
if i == str(self.mini.lineEdit_5.text()):
IDexist=1
break
if IDexist==0:
QMessageBox.information(self.myMainWindow, "提醒你一下", "你的分类不存在", QMessageBox.Yes)
modifyflag = 1#ID不存在
self.Right_click = True
elif str(self.mini.lineEdit_5.text())==self.lastID:
IDchanged=1#ID未改变
#不重复则更新数据
if modifyflag==0:
#更新数据
self.dictforcontent["标题"][self.childcnt]=str(self.mini.lineEdit.text())
self.dictforcontent["姓名"][self.childcnt]=str(self.mini.lineEdit_2.text())
self.dictforcontent["班级"][self.childcnt]=str(self.mini.lineEdit_3.text())
self.dictforcontent["链接"][self.childcnt]=str(self.mini.lineEdit_4.text())
self.dictforcontent["备注"][self.childcnt]=str(self.mini.textEdit.toPlainText())
if IDchanged==1:
#更新treewidght
self.myui.treeWidget.topLevelItem(self.parent_num).child(self.row_num).setText(0, self.dictforcontent["标题"][self.childcnt])
self.myui.treeWidget.topLevelItem(self.parent_num).child(self.row_num).setText(1, self.dictforcontent["姓名"][self.childcnt])
elif IDchanged==0:
self.dictforcontent["ID"][self.childcnt]=str(self.mini.lineEdit_5.text())
#删除当前tree
delitem_parent = self.myui.treeWidget.topLevelItem(self.parent_num)
delitem=delitem_parent.child(self.row_num)
delitem.parent().removeChild(delitem)
#别的tree去新建
rootCount = self.myui.treeWidget.topLevelItemCount()
print(rootCount)
for i in range(rootCount):
# 取得顶层项的item索引地址
rootItem = self.myui.treeWidget.topLevelItem(i)
rootKey = rootItem.text(0)
print(rootKey)
print(self.mini.lineEdit_5.text())
if rootKey==str(self.mini.lineEdit_5.text()):
print("进来了")
# 根据传入的节点 Item 和节点名称，增加子节点
childItem = QtWidgets.QTreeWidgetItem(rootItem)
childItem.setIcon(0, qtawesome.icon('fa.hand-o-right', color='black'))
childItem.setText(0, self.dictforcontent["标题"][self.childcnt]) # 设置第一列的值
childItem.setText(1, self.dictforcontent["姓名"][self.childcnt]) # 设置第二列的值
break
# 更新数据库
self.strwrite(key_list, self.dictforcontent)
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("数据修改成功")
# 关闭窗口
self.Right_click = True
self.Secondary_window.close()
def miniclose(self):
self.Right_click = True
self.Secondary_window.close()
def strwrite(self,keys, write_dict):
isfile = os.path.exists('./Data/Database.bin')
if not isfile:
self.myui.textBrowser.clear()
self.myui.textBrowser.append("完蛋，数据库不翼而飞！")
else:
key_inx = random.randint(0, 9)
# 创建加密工具
cipher = Fernet(keys[key_inx])
# 字典转为字符串（bytes数据类型）
serialized = pickle.dumps(write_dict)
# 进行加密
encrypted_text = cipher.encrypt(serialized)
# bytes数据类型转为str数据类型
encrypted_str = encrypted_text.decode("unicode_escape")
# 字符串转为asii码
encrypted_strtoasii = []
for i in encrypted_str:
encrypted_strtoasii.append(ord(i)) # ord为将字符串转为asii码数
encrypted_strtoasii.append(key_inx)
# 文件权限修改为读写
os.chmod("./Data/Database.bin", S_IWRITE)
# 写入内容
with open("./Data/Database.bin", "wb") as fp: # a表示在文档末尾添加内容，w则表示清除原来的内容从新写 b表示以二进制形式打开
for x in encrypted_strtoasii:
a = struct.pack("B", x) # 将整数转换为二进制字符串
fp.write(a)
# 文件权限修改为只读
os.chmod("./Data/Database.bin", S_IROTH)
def strread(self,keys):
ispath = os.path.exists('./Data')
if not ispath:
os.makedirs(r"./Data")
isfile = os.path.exists('./Data/Database.bin')
if not isfile:
with open('./Data/Database.bin', 'ab') as fp:
pass
# 读取文件数据
with open("./Data/Database.bin", "rb") as fp:
text = fp.read()
content = struct.unpack("B" * len(text), text) # 解包
strlist = []
decrypted_str = ""
deserialized = {}
if len(content)==0:
keyinx=-1
else:
keyinx = int(content[-1])
if len(content) == 0:
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.append("数据库空空如也")
elif len(content) % 2 == 0 or keyinx > 9 or keyinx < 0:
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.append("数据库好像有问题，删掉从新来过")
else:
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText("请尽情查看^_^")
try:
for i in range(int(len(content)-1)):
a = content[i]
strlist.append(chr(a)) # chr表示将asii码转为对应字符
except Exception as exc:
returnlist = str(exc)
self.myui.textBrowser_2.clear()
self.myui.textBrowser_2.setText(returnlist)
else:
self.myui.textBrowser_2.setText("数据库没问题")
# 字符列表转为字符串
decrypted_str = decrypted_str.join(strlist)
# 字符串转为bytes数据类型
decrypted_str_text = decrypted_str.encode("unicode_escape")
# 进行解密
cipher = Fernet(keys[keyinx])
decrypted_text = cipher.decrypt(decrypted_str_text)
# 字符串转为字典
deserialized = pickle.loads(decrypted_text)
return deserialized
class MainWindow(QtWidgets.QMainWindow):
"""对QMainWindow类重写，实现一些功能"""
def closeEvent(self, event):
"""重写该方法主要是解决打开子窗口时，如果关闭了主窗口但子窗口仍显示的问题，
使用sys.exit(0) 时就会只要关闭了主窗口，所有关联的子窗口也会全部关闭"""
sys.exit(0)
if __name__=='__main__':
my_mainwindow()
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