修改部分UI

.idea/workspace.xml

@@ -4,13 +4,19 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="84e65474-7da9-466d-baf3-cc88dde3ffdd" name="变更" comment="增加群二维码">
+    <list default="true" id="84e65474-7da9-466d-baf3-cc88dde3ffdd" name="变更" comment="增加几个图标">
+      <change afterPath="$PROJECT_DIR$/app/Ui/ICON.py" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/Ui/MyComponents/Contact.py" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/Ui/MyComponents/__init__.py" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/config.py" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/data/icons/default_avatar.svg" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/utils/__init__.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/app/DataBase/data.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/DataBase/data.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/DataBase/output.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/DataBase/output.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/Ui/__init__.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/__init__.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/app/Ui/contact/contact.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/contact/contact.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/Ui/contact/contactUi.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/contact/contactUi.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/Ui/decrypt/decrypt.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/decrypt/decrypt.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/Ui/contact/contactUi.ui" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/contact/contactUi.ui" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/Ui/mainview.py" beforeDir="false" afterPath="$PROJECT_DIR$/app/Ui/mainview.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/main.py" beforeDir="false" afterPath="$PROJECT_DIR$/main.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -74,7 +80,7 @@
       <recent name="D:\Project\PythonProject\WeChatMsg\app\Ui" />
     </key>
   </component>
-  <component name="RunManager" selected="Python.output">
+  <component name="RunManager" selected="Python.main">
     <configuration name="data (1)" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="WeChatMsg" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -96,6 +102,27 @@
       <option name="INPUT_FILE" value="" />
       <method v="2" />
     </configuration>
+    <configuration name="decrypt" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+      <module name="WeChatMsg" />
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <envs>
+        <env name="PYTHONUNBUFFERED" value="1" />
+      </envs>
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/app/Ui/decrypt" />
+      <option name="IS_MODULE_SDK" value="true" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/app/Ui/decrypt/decrypt.py" />
+      <option name="PARAMETERS" value="" />
+      <option name="SHOW_COMMAND_LINE" value="false" />
+      <option name="EMULATE_TERMINAL" value="false" />
+      <option name="MODULE_MODE" value="false" />
+      <option name="REDIRECT_INPUT" value="false" />
+      <option name="INPUT_FILE" value="" />
+      <method v="2" />
+    </configuration>
     <configuration name="main" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="WeChatMsg" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -159,34 +186,13 @@
       <option name="INPUT_FILE" value="" />
       <method v="2" />
     </configuration>
-    <configuration name="test" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
-      <module name="WeChatMsg" />
-      <option name="INTERPRETER_OPTIONS" value="" />
-      <option name="PARENT_ENVS" value="true" />
-      <envs>
-        <env name="PYTHONUNBUFFERED" value="1" />
-      </envs>
-      <option name="SDK_HOME" value="" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/TEST" />
-      <option name="IS_MODULE_SDK" value="true" />
-      <option name="ADD_CONTENT_ROOTS" value="true" />
-      <option name="ADD_SOURCE_ROOTS" value="true" />
-      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/TEST/test.py" />
-      <option name="PARAMETERS" value="" />
-      <option name="SHOW_COMMAND_LINE" value="false" />
-      <option name="EMULATE_TERMINAL" value="false" />
-      <option name="MODULE_MODE" value="false" />
-      <option name="REDIRECT_INPUT" value="false" />
-      <option name="INPUT_FILE" value="" />
-      <method v="2" />
-    </configuration>
     <recent_temporary>
       <list>
         <item itemvalue="Python.main" />
+        <item itemvalue="Python.decrypt" />
         <item itemvalue="Python.output" />
         <item itemvalue="Python.report" />
         <item itemvalue="Python.data (1)" />
-        <item itemvalue="Python.test" />
       </list>
     </recent_temporary>
   </component>
@@ -419,7 +425,21 @@
       <option name="project" value="LOCAL" />
       <updated>1698248457797</updated>
     </task>
-    <option name="localTasksCounter" value="32" />
+    <task id="LOCAL-00032" summary="支持导出csv格式聊天记录">
+      <created>1698331547560</created>
+      <option name="number" value="00032" />
+      <option name="presentableId" value="LOCAL-00032" />
+      <option name="project" value="LOCAL" />
+      <updated>1698331547560</updated>
+    </task>
+    <task id="LOCAL-00033" summary="增加几个图标">
+      <created>1698331665669</created>
+      <option name="number" value="00033" />
+      <option name="presentableId" value="LOCAL-00033" />
+      <option name="project" value="LOCAL" />
+      <updated>1698331665669</updated>
+    </task>
+    <option name="localTasksCounter" value="34" />
     <servers />
   </component>
   <component name="UnknownFeatures">
@@ -471,7 +491,9 @@
     <MESSAGE value="match语法说明" />
     <MESSAGE value="update readme" />
     <MESSAGE value="增加群二维码" />
-    <option name="LAST_COMMIT_MESSAGE" value="增加群二维码" />
+    <MESSAGE value="支持导出csv格式聊天记录" />
+    <MESSAGE value="增加几个图标" />
+    <option name="LAST_COMMIT_MESSAGE" value="增加几个图标" />
     <option name="OPTIMIZE_IMPORTS_BEFORE_PROJECT_COMMIT" value="true" />
     <option name="REFORMAT_BEFORE_PROJECT_COMMIT" value="true" />
   </component>
@@ -480,12 +502,12 @@
       <breakpoints>
         <line-breakpoint enabled="true" suspend="THREAD" type="python-line">
           <url>file://$PROJECT_DIR$/app/DataBase/output.py</url>
-          <line>41</line>
+          <line>42</line>
           <option name="timeStamp" value="3" />
         </line-breakpoint>
         <line-breakpoint enabled="true" suspend="THREAD" type="python-line">
           <url>file://$PROJECT_DIR$/app/DataBase/output.py</url>
-          <line>410</line>
+          <line>412</line>
           <option name="timeStamp" value="7" />
         </line-breakpoint>
       </breakpoints>

app/DataBase/data.py

@@ -89,17 +89,47 @@ class Me:
         self.province = None
 
 
+def is_db_exist() -> bool:
+    """
+    判断数据库是否正常使用
+    """
+    global DB
+    global cursor
+    if DB and cursor:
+        try:
+            sql = 'select * from userinfo where id=2'
+            cursor.execute(sql)
+            result = cursor.fetchone()
+            me = Me(result[2])
+        except Exception as e:
+            return False
+    return True
+
+
+def init_database():
+    global DB
+    global cursor
+    if os.path.exists('./app/DataBase/Msg.db'):
+        DB = sqlite3.connect("./app/DataBase/Msg.db", check_same_thread=False)
+        # '''创建游标'''
+        cursor = DB.cursor()
+    if os.path.exists('./Msg.db'):
+        DB = sqlite3.connect("./Msg.db", check_same_thread=False)
+        # '''创建游标'''
+        cursor = DB.cursor()
+
+
 def decrypt(db, key):
     if not key:
         print('缺少数据库密钥')
         return False
     if not db:
         print('没有数据库文件')
+        return False
     if os.path.exists('./app/DataBase/Msg.db'):
         print('/app/DataBase/Msg.db  已经存在')
         return True
     cmd = './sqlcipher-3.0.1/bin/sqlcipher-shell32.exe'
-    print(os.path.abspath('.'))
     param = f"""
     PRAGMA key = '{key}';
     PRAGMA cipher_migrate;
@@ -107,7 +137,6 @@ def decrypt(db, key):
     SELECT sqlcipher_export('Msg');
     DETACH DATABASE Msg;
         """
-
     with open('./app/data/config.txt', 'w') as f:
         f.write(param)
     p = os.system(f"{os.path.abspath('.')}{cmd} {db} < ./app/data/config.txt")

app/Ui/ICON.py

@@ -0,0 +1,6 @@
+from PyQt5.QtGui import QIcon
+
+
+class Icon:
+    MainWindow = QIcon('./app/data/icons/logo.svg')
+    Default_avatar = QIcon('./app/data/icons/default_avatar.svg')

app/Ui/MyComponents/Contact.py

@@ -0,0 +1,100 @@
+from datetime import datetime
+
+from PyQt5 import QtWidgets
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+
+
+class Contact(QtWidgets.QPushButton):
+    """
+    联系人类，继承自pyqt的按钮，里面封装了联系人头像等标签
+    """
+    usernameSingal = pyqtSignal(str)
+
+    def __init__(self, Ui, id=None, contact=None):
+        super(Contact, self).__init__(Ui)
+        self.layoutWidget = QtWidgets.QWidget(Ui)
+        self.layoutWidget.setObjectName("layoutWidget")
+        self.gridLayout1 = QtWidgets.QGridLayout(self.layoutWidget)
+        self.gridLayout1.setSizeConstraint(QtWidgets.QLayout.SetMaximumSize)
+        self.gridLayout1.setContentsMargins(10, 10, 10, 10)
+        self.gridLayout1.setSpacing(10)
+        self.gridLayout1.setObjectName("gridLayout1")
+        self.label_time = QtWidgets.QLabel(self.layoutWidget)
+        font = QtGui.QFont()
+        font.setPointSize(8)
+        self.label_time.setFont(font)
+        self.label_time.setLayoutDirection(QtCore.Qt.RightToLeft)
+        self.label_time.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter)
+        self.label_time.setObjectName("label_time")
+        self.gridLayout1.addWidget(self.label_time, 0, 2, 1, 1)
+        self.label_remark = QtWidgets.QLabel(self.layoutWidget)
+        font = QtGui.QFont()
+        font.setFamily("Adobe 黑体 Std R")
+        font.setPointSize(10)
+        self.label_remark.setFont(font)
+        self.label_remark.setObjectName("label_remark")
+        self.gridLayout1.addWidget(self.label_remark, 0, 1, 1, 1)
+        self.label_msg = QtWidgets.QLabel(self.layoutWidget)
+        font = QtGui.QFont()
+        font.setPointSize(8)
+        self.label_msg.setFont(font)
+        self.label_msg.setObjectName("label_msg")
+        self.gridLayout1.addWidget(self.label_msg, 1, 1, 1, 2)
+        self.label_avatar = QtWidgets.QLabel(self.layoutWidget)
+        self.label_avatar.setMinimumSize(QtCore.QSize(60, 60))
+        self.label_avatar.setMaximumSize(QtCore.QSize(60, 60))
+        self.label_avatar.setLayoutDirection(QtCore.Qt.RightToLeft)
+        self.label_avatar.setAutoFillBackground(False)
+        self.label_avatar.setStyleSheet("background-color: #ffffff;")
+        self.label_avatar.setInputMethodHints(QtCore.Qt.ImhNone)
+        self.label_avatar.setFrameShape(QtWidgets.QFrame.NoFrame)
+        self.label_avatar.setFrameShadow(QtWidgets.QFrame.Plain)
+        self.label_avatar.setAlignment(QtCore.Qt.AlignLeading | QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+        self.label_avatar.setObjectName("label_avatar")
+        self.gridLayout1.addWidget(self.label_avatar, 0, 0, 2, 1)
+        self.gridLayout1.setColumnStretch(0, 1)
+        self.gridLayout1.setColumnStretch(1, 6)
+        self.gridLayout1.setRowStretch(0, 5)
+        self.gridLayout1.setRowStretch(1, 3)
+        self.setLayout(self.gridLayout1)
+        self.setStyleSheet(
+            "QPushButton {background-color: rgb(220,220,220);}"
+            "QPushButton:hover{background-color: rgb(208,208,208);}\n"
+        )
+        self.msgCount = contact[0]
+        self.username = contact[1]
+        self.conversationTime = contact[6]
+        self.msgType = contact[7]
+        self.digest = contact[8]
+        hasTrunc = contact[10]
+        attrflag = contact[11]
+        if hasTrunc == 0:
+            if attrflag == 0:
+                self.digest = '[动画表情]'
+            elif attrflag == 67108864:
+                try:
+                    remark = data.get_conRemark(contact[9])
+                    msg = self.digest.split(':')[1].strip('\n').strip()
+                    self.digest = f'{remark}:{msg}'
+                except Exception as e:
+                    pass
+            else:
+                pass
+        self.show_info(id)
+
+    def show_info(self, id):
+        self.avatar = data.get_avator(self.username)
+        # print(avatar)
+        self.conRemark = data.get_conRemark(self.username)
+        self.nickname, self.alias = data.get_nickname(self.username)
+        time = datetime.now().strftime("%m-%d %H:%M")
+        msg = '还没说话'
+        pixmap = QPixmap(self.avatar).scaled(60, 60)  # 按指定路径找到图片
+        self.label_avatar.setPixmap(pixmap)  # 在label上显示图片
+        self.label_remark.setText(self.conRemark)
+        self.label_msg.setText(self.digest)
+        self.label_time.setText(data.timestamp2str(self.conversationTime)[2:])
+
+    def show_msg(self):
+        self.usernameSingal.emit(self.username)

app/Ui/MyComponents/__init__.py

@@ -0,0 +1 @@
+from . import Contact

app/Ui/__init__.py

@@ -7,10 +7,12 @@
 @Version : Python3.10
 @comment : ···
 """
+from . import mainview
 # 文件__init__.py
 # from login import login
 from . import mainwindow
-from . import mainview
+from .ICON import Icon
+from .MyComponents import *
 from .decrypt import decrypt
 
-# __all__ = ["decrypt", 'mainview']
+__all__ = ["decrypt", 'mainview', 'Contact', 'Icon']

app/Ui/contact/contact.py

@@ -43,7 +43,7 @@ class ContactController(QWidget, Ui_Dialog):
         self.ta_avatar = None
         self.setupUi(self)
         self.setWindowTitle('WeChat')
-        self.setWindowIcon(QIcon('./app/data/icon.png'))
+        self.setWindowIcon(QIcon('./app/data/icons/logo.svg'))
         # self.setStyleSheet('''QWidget{background-color:rgb(255, 255, 255);}''')
         self.initui()
         self.Me = Me
@@ -199,11 +199,9 @@ class ContactController(QWidget, Ui_Dialog):
         reply = QMessageBox(self)
         reply.setIcon(QMessageBox.Information)
         reply.setWindowTitle('OK')
-        reply.setText("导出聊天记录成功")
+        reply.setText(f"导出聊天记录成功\n在.\\data\\目录下")
         reply.addButton("确认", QMessageBox.AcceptRole)
         reply.addButton("取消", QMessageBox.RejectRole)
-        # reply.addButton("忽略", QMessageBox.DestructiveRole)
-        print(reply)
         api = reply.exec_()
         self.userinfo.progressBar.setVisible(False)
 

app/Ui/decrypt/decrypt.py

@@ -28,13 +28,12 @@ class DecryptControl(QWidget, decryptUi.Ui_Dialog):
         super(DecryptControl, self).__init__(parent)
         self.setupUi(self)
         self.setWindowTitle('解密')
-        self.setWindowIcon(QIcon('./app/data/icon.png'))
+        self.setWindowIcon(QIcon('./app/data/icons/logo.svg'))
         self.btn_db.clicked.connect(self.get_db)
         self.btn_xml.clicked.connect(self.get_xml)
         self.pushButton_3.clicked.connect(self.decrypt)
         self.xml_path = None
         self.db_path = None
-        # self.db_exist()
 
     def db_exist(self):
         if os.path.exists('./app/DataBase/Msg.db'):
@@ -74,11 +73,9 @@ class DecryptControl(QWidget, decryptUi.Ui_Dialog):
         if not self.xml_path:
             return False
         pid = self.pid(self.xml_path)
-        print(pid)
         if not pid:
             return False
         key = self.key(pid)
-        print(key)
         return key
 
     def pid(self, xml_path):
@@ -86,25 +83,22 @@ class DecryptControl(QWidget, decryptUi.Ui_Dialog):
         # 根节点
         root = tree.getroot()
         # 标签名
-        print('root_tag:', root.tag)
         for stu in root:
             if stu.attrib["name"] == '_auth_uin':
                 return stu.attrib['value']
         return False
 
     def key(self, uin, IMEI='1234567890ABCDEF'):
-
-        print(IMEI, uin)
         m = hashlib.md5()
         m.update(bytes((IMEI + uin).encode('utf-8')))
         psw = m.hexdigest()
         return psw[:7]
 
     def btnEnterClicked(self):
-        print("enter clicked")
+        # print("enter clicked")
         # 中间可以添加处理逻辑
         self.DecryptSignal.emit('ok')
-        # self.close()
+        self.close()
 
     def progressBar_view(self, value):
         """
@@ -112,16 +106,17 @@ class DecryptControl(QWidget, decryptUi.Ui_Dialog):
         :param value: 进度0-100
         :return: None
         """
-
         self.progressBar.setProperty('value', value)
         if value == '100':
             QMessageBox.information(self, "解密成功", "请退出该界面",
                                     QMessageBox.Yes)
             self.btnExitClicked()
+            data.init_database()
 
     def btnExitClicked(self):
-        print("Exit clicked")
+        # print("Exit clicked")
-        # self.close()
+        self.DecryptSignal.emit('ok')
+        self.close()
 
 
 class DecryptThread(QThread):

app/Ui/mainview.py

@@ -7,6 +7,7 @@
 @Version : Python3.10
 @comment : 主窗口
 """
+import os.path
 
 from PyQt5.QtCore import *
 from PyQt5.QtGui import *
@@ -14,6 +15,7 @@ from PyQt5.QtWidgets import *
 
 from app.DataBase import data
 from . import mainwindow
+from .ICON import Icon
 from .chat import chat
 from .contact import contact
 
@@ -26,7 +28,7 @@ class MainWinController(QMainWindow, mainwindow.Ui_MainWindow):
         super(MainWinController, self).__init__(parent)
         self.setupUi(self)
         self.setWindowTitle('WeChat')
-        self.setWindowIcon(QIcon('./app/data/icon.png'))
+        self.setWindowIcon(Icon.MainWindow)
         self.Me = data.get_myinfo()
         self.setAttribute(Qt.WA_AttributeCount)
 
@@ -78,6 +80,8 @@ class MainWinController(QMainWindow, mainwindow.Ui_MainWindow):
 
     def show_avatar(self):
         avatar = data.get_avator(self.Me.username)
+        if not os.path.exists(avatar):
+            avatar = './app/data/icons/default_avatar.svg'
         pixmap = QPixmap(avatar).scaled(80, 80)  # 按指定路径找到图片
         self.myavatar.setPixmap(pixmap)  # 在label上显示图片
 

app/data/icons/logo.svg

@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1698592095496" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="5243" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16"><path d="M217.9 356.5c-14.1 0-25.5 11.4-25.5 25.5s11.4 25.5 25.5 25.5 25.5-11.4 25.5-25.5-11.4-25.5-25.5-25.5zM217.4 433.7c-11.2 0-20.4 9.2-20.4 20.4v174.4c0 11.2 9.2 20.4 20.4 20.4s20.4-9.2 20.4-20.4V454.1c0-11.2-9.2-20.4-20.4-20.4z" fill="#6B400D" p-id="5244"></path><path d="M878.7 379.5v-86c0-96.3-57.5-153.7-153.7-153.7H218c-96.3 0-153.7 57.5-153.7 153.7v320.7C64.3 710.5 121.8 768 218 768h45.8v120.4L449.9 768h11.2c17.2 11.3 39 17.5 64.6 17.5h161.6l130.7 85v-85.1h33.5c66.6 0 107.9-41.3 107.9-107.9V484.8c-0.1-56.9-30.3-95.3-80.7-105.3zM417.8 484.8v192.8c0 16.2 2.5 31 7.2 44l-106.1 70.1v-74.9h-101c-67.7-0.3-102.2-34.8-102.5-102.5V293.5c0.3-67.7 34.8-102.2 102.5-102.5H725c67.7 0.3 102.2 34.8 102.5 102.5v83.3H525.7c-66.5 0.1-107.9 41.4-107.9 108z m490.4 192.7c-0.2 38.6-18.2 56.6-56.7 56.7h-87.2v40.3l-61-40.3H525.7c-38.5-0.2-56.6-18.2-56.7-56.7V484.8c0.2-38.6 18.2-56.6 56.7-56.7h325.7c38.5 0.2 56.6 18.2 56.7 56.7v192.7z" fill="#6B400D" p-id="5245"></path><path d="M851.4 428.1H525.7c-38.5 0.2-56.6 18.2-56.7 56.7v192.8c0.2 38.5 18.2 56.6 56.7 56.7h177.5l61 40.3v-40.3h87.2c38.5-0.2 56.6-18.2 56.7-56.7V484.8c-0.1-38.6-18.1-56.6-56.7-56.7zM567 627.4c-21.1 0-38.3-17.2-38.3-38.3 0-21.1 17.2-38.3 38.3-38.3 21.1 0 38.3 17.2 38.3 38.3 0 21.1-17.2 38.3-38.3 38.3z m122.2 0c-21.1 0-38.3-17.2-38.3-38.3 0-21.1 17.2-38.3 38.3-38.3 21.1 0 38.3 17.2 38.3 38.3 0 21.1-17.2 38.3-38.3 38.3z m122.3 0c-21.1 0-38.3-17.2-38.3-38.3 0-21.1 17.2-38.3 38.3-38.3 21.1 0 38.3 17.2 38.3 38.3 0 21.1-17.2 38.3-38.3 38.3z" fill="#FFD524" p-id="5246"></path><path d="M567 550.8c-21.1 0-38.3 17.2-38.3 38.3 0 21.1 17.2 38.3 38.3 38.3 21.1 0 38.3-17.2 38.3-38.3 0-21.1-17.2-38.3-38.3-38.3zM689.2 550.8c-21.1 0-38.3 17.2-38.3 38.3 0 21.1 17.2 38.3 38.3 38.3 21.1 0 38.3-17.2 38.3-38.3 0-21.1-17.2-38.3-38.3-38.3zM811.5 550.8c-21.1 0-38.3 17.2-38.3 38.3 0 21.1 17.2 38.3 38.3 38.3 21.1 0 38.3-17.2 38.3-38.3 0-21.1-17.2-38.3-38.3-38.3z" fill="#6B400D" p-id="5247"></path></svg>

main.py

@@ -2,6 +2,7 @@ import sys
 
 from PyQt5.QtWidgets import *
 
+import app.DataBase.data as DB
 from app.Ui import *
 
 
@@ -15,6 +16,9 @@ class ViewController:
         登录界面
         :return:
         """
+        if DB.is_db_exist():
+            self.loadMainWinView()
+        else:
             self.viewDecrypt = decrypt.DecryptControl()  # 需要将view login设为成员变量
             self.viewDecrypt.DecryptSignal.connect(self.loadMainWinView)
             self.viewDecrypt.registerSignal.connect(self.loadRegisterView)
@@ -31,7 +35,7 @@ class ViewController:
         # self.viewDecrypt.DecryptSignal.connect(self.loadDecryptView)
         # self.viewDecrypt.show()
 
-    def loadMainWinView(self, username):
+    def loadMainWinView(self, username=None):
         """
         聊天界面
         :param username: 账号