pyqt5与yolov5进行视频检测（一）—

pyqt5与yolov5进行视频检测（一）——登录操作

项目效果展示

一、登录界面

二、主界面

目前在更新中。。。

一、设计

二、登录代码

注意：下面会导入主界面的包，图片资源自己设计一下，密码保存时没设计加密，需要自行设计

main_window主界面下文会设计
from main_window import MWindow

数据库设计：

model.py

from peewee import Model, PrimaryKeyField, CharField, TextField, BooleanField, IntegerField, DateTimeField, \MySQLDatabasedatabase = MySQLDatabase("qt_yolov5", host="localhost", port=3306,user="root", password="123456")class BaseModel(Model):class Meta:database = databaseclass CheckRecordModel(BaseModel):id = PrimaryKeyField()label = CharField(max_length=32, help_text='标签')time = IntegerField(default=32, help_text='时间')save_path = CharField(max_length=128, help_text='图片路径')enabled = BooleanField(default=False, help_text='启用')class UserModel(BaseModel):id = PrimaryKeyField()user_name = CharField(max_length=32, help_text='用户')password = CharField(max_length=32, help_text='密码')enabled = BooleanField(default=True, help_text='启用')if __name__ == '__main__':database.connect()database.create_tables([CheckRecordModel])database.create_tables([UserModel])# tp = UserModel(user_name='aa', password='123456')# tp.save()s = UserModel.select().where(UserModel.user_name == 'bb')if s:print(s[0].user_name)print(list(s))database.close()

import random
import sysfrom PyQt5.QtWidgets import QApplication, QWidget, QDialog, QLineEdit, QLabel, QPushButton, QMainWindow
from PyQt5.QtCore import QTimer, QSize
from PyQt5.QtGui import QFont, QPalette, QBrush, QPixmap, QIcon
from main_window import MWindow
from model import UserModelclass LoginWindow(QMainWindow):def __init__(self):super().__init__()self.init_ui()def init_ui(self):self.resize(800, 500)self.setWindowTitle('login')head = QLabel('人工智能视觉检测系统', self)  # 140,50 410,50head.move(280, 30)head.resize(450, 50)head.setStyleSheet("font-family:'隶书';font-size:44px;font-weight: bold;")user_label = QLabel('用户名', self)  # 180 140 70 30user_label.resize(70, 30)user_label.move(420, 140)user_label.setStyleSheet("font-family:'楷体';font-size:22px;font-weight: bold;")pwd_label = QLabel('密码', self)  # 180 200 70 ,30pwd_label.resize(70, 30)pwd_label.move(420, 220)pwd_label.setStyleSheet("font-family:'楷体';font-size:22px;font-weight: bold;")self.user = QLineEdit(parent=self)  # 260 140 210 30self.user.resize(210, 30)self.user.move(500, 140)self.user.setPlaceholderText("请输入至少5位的用户名")self.pwd = QLineEdit(parent=self)  # 260 200 210 30self.pwd.resize(210, 30)self.pwd.move(500, 220)self.pwd.setStyleSheet("background-color: #F6F6F6;")self.pwd.setPlaceholderText("请输入至少5位的密码")  # F6F6F6self.pwd.setEchoMode(QLineEdit.Password)self.visible_btn = QPushButton(parent=self)  ##############self.visible_btn.move(680, 220)self.visible_btn.resize(30, 30)self.visible_btn.setIcon(QIcon('src/pwd_vi.jpg'))  # 设置按钮的图片self.visible_btn.setIconSize(QSize(25, 25))  # 设置图片的尺寸self.visible_btn.setStyleSheet("border: 1px solid transparent;")  ###############login_btn = QPushButton('登录', self)  # 200 280 90 30login_btn.resize(90, 30)login_btn.move(420, 310)login_btn.setStyleSheet("font-family:'宋体';font-size:18px;text-align:center;")register_btn = QPushButton('注册', self)  # 370 280 90 30register_btn.resize(90, 30)register_btn.move(620, 310)register_btn.setStyleSheet("font-family:'宋体';font-size:18px;text-align:center;")palette = QPalette()palette.setBrush(QPalette.Background, QBrush(QPixmap("src/login.png")))self.setPalette(palette)login_btn.clicked.connect(self.login_btn_clicked)register_btn.clicked.connect(self.register_btn_clicked)self.visible_btn.clicked.connect(self.password_visibility)def login_btn_clicked(self):user_name = self.user.text()user_pwd = self.pwd.text()if not user_name or not user_pwd:Dialog("请输入完整信息!", 1, w=300).start()else:s = UserModel.select().where(UserModel.user_name == user_name)if s:if s[0].user_name == user_name and s[0].password == user_pwd:Dialog("登录成功!", 2).start()self.open_main_window()else:Dialog("密码不正确!", 1).start()else:Dialog("该用户不存在!", 1, w=280).start()def register_btn_clicked(self):user_name = self.user.text()user_pwd = self.pwd.text()s = UserModel.select().where(UserModel.user_name == user_name)if s:Dialog("用户名已存在!", 1, w=280).start()else:if len(user_pwd) >= 5 and len(user_name) >= 5:tp = UserModel(user_name=user_name, password=user_pwd)tp.save()Dialog("注册成功!", 1, w=280).start()self.open_main_window()else:Dialog("请重新注册!", 1, w=280).start()def password_visibility(self):if self.pwd.echoMode() == QLineEdit.Password:self.pwd.setEchoMode(QLineEdit.Normal)self.visible_btn.setIcon(QIcon('src/pwd_in.jpg'))  # 设置按钮的图片self.visible_btn.setIconSize(QSize(25, 25))  # 设置图片的尺寸else:self.pwd.setEchoMode(QLineEdit.Password)self.visible_btn.setIcon(QIcon('src/pwd_vi.jpg'))  # 设置按钮的图片self.visible_btn.setIconSize(QSize(25, 25))  # 设置图片的尺寸def open_main_window(self):self.close()main_window = MWindow()main_window.show()class Dialog(QDialog):def __init__(self, msg, s: int = 2, x=240, y=120, w=250, h=50, color=None):super().__init__()self.msg = msgself.setWindowTitle("login")self.s = sself.x, self.y, self.w, self.h = x, y, w, h  # 左上角坐标和长宽self.color = self.random_color() if not color else colorself.resize(self.w, self.h)def random_color(self):return "#{:06x}".format(random.randint(0, 0xFFFFFF))def add_text(self):label = QLabel(self.msg, self)label.setStyleSheet("text-align:center;")def edit_style(self):style = (f"border: 1px solid transparent;"f"font-family:'Times New Roman';"f"font-size:40px;color:{self.color};"f"font-weight: bold;")self.setStyleSheet(style)def start(self):self.edit_style()self.add_text()self.timer = QTimer(self)  # 设置定时器，s秒后关闭弹窗self.timer.timeout.connect(self.close)self.timer.start(self.s * 1000)self.exec_()if __name__ == '__main__':app = QApplication(sys.argv)w = LoginWindow()w.show()app.exec_()