pyqt5利用pyqtDesigner实现登录界面


Posted in Python onMarch 28, 2019

本文实例为大家分享了pyqt5利用pyqtDesigner实现登录界面的具体代码,供大家参考,具体内容如下

为便于操作 界面和逻辑分离

逻辑类:

import sys
import pymysql
from loginUI import *  //导入
from PyQt5.QtWidgets import *
from PyQt5 import QtWidgets, QtCore, QtGui
from PyQt5.QtCore import *
from PyQt5.QtGui import 
class Login(QtWidgets.QDialog):
 def __init__(self):
  super(Login, self).__init__()
  self.ui = Ui_login_Ui()
  self.ui.setupUi(self)

  # self.setMinimumSize(QtCore.QSize(400, 200)) # 控制缩放范围
  # self.setMaximumSize(QtCore.QSize(400, 200))
  self.setWindowTitle("欢迎使用停车场管理系统")
  self.setFixedSize(self.width(), self.height())
  self.ui.labelTip.hide()
  self.ui.labelTip.setText("密码或用户名不能为空!")
  # 设置label字体
  labelFont = QFont()
  labelFont.setPixelSize(15)
  # 设置动态背景
  self.gif = QMovie('bg2.gif')
  self.ui.label_2.setMovie(self.gif)
  self.gif.start()
  # 这在label属性
  self.ui.labelTip.setStyleSheet(
   "QLabel{color:red;font-size:12px;font-weight:bold;font-family:Roman times;}"
         )
  self.ui.userLabel.setStyleSheet("QLabel{background:white;}"
     "QLabel{color:rgb(100,100,100,250);font-size:15px;font-weight:bold;font-family:Roman times;}"
     "QLabel:hover{color:rgb(300,300,300,120);}")
  self.ui.pwdlabel.setStyleSheet("QLabel{background:white;}"
     "QLabel{color:rgb(100,100,100,250);font-size:15px;font-weight:bold;font-family:Roman times;}"
     "QLabel:hover{color:rgb(300,300,300,120);}")
  self.ui.label.setStyleSheet("QLabel{background:white;}"
     "QLabel{color:rgb(100,100,100,250);font-size:15px;font-weight:bold;font-family:Roman times;}"
     "QLabel:hover{color:rgb(300,300,300,120);}")
 
  self.ui.loginButton.setStyleSheet("QPushButton{color:black}"
            "QPushButton:hover{color:red}"
            "QPushButton{background-color:lightblue}"
            "QPushButton{border:2px}"
            "QPushButton{border-radius:10px}"
            "QPushButton{padding:2px 4px}")
  self.ui.registerButton.setStyleSheet("QPushButton{color:black}"
            "QPushButton:hover{color:red}"
            "QPushButton{background-color:lightgreen}"
            "QPushButton{border:2px}"
            "QPushButton{border-radius:10px}"
            "QPushButton{padding:2px 4px}")
 
  palette = QPalette()
  icon = QPixmap('bg2.gif').scaled(800, 600)
  palette.setBrush(self.backgroundRole(), QBrush(icon))
  self.setPalette(palette)
  self.ui.userLabel.setFont(labelFont)
  self.ui.pwdlabel.setFont(labelFont)
  self.ui.label.setFont(labelFont)
  # 设置控件尺寸
  # self.ui.userlineEdit.setFrame(False)
  # self.ui.pwdlineEdit.setFrame(False)
  self.ui.pwdlineEdit.setEchoMode(QLineEdit.Password)# 输入框设为密码模式
  self.ui.pwdlineEdit.setClearButtonEnabled(True)
  self.ui.userlineEdit.setClearButtonEnabled(True)
  self.ui.userlineEdit.setFixedWidth(190)
  self.ui.userlineEdit.setFixedHeight(30)
  self.ui.pwdlineEdit.setFixedWidth(190)
  self.ui.pwdlineEdit.setFixedHeight(30)
  self.ui.comboBox.setFixedWidth(100)
  self.ui.comboBox.setFixedHeight(28)
  self.ui.loginButton.setFixedSize(75, 28)
  self.ui.registerButton.setFixedSize(75, 28)
  self.ui.loginButton.setShortcut('Enter') # shortcut key
  # 登陆的槽函数登陆按钮 最好写在init的析构函数中,避免链接多次产生异常
  self.ui.loginButton.clicked.connect(self.slotLogin)
  self.ui.registerButton.clicked.connect(self.slotRegister)
  self.ui.pushButton.clicked.connect(self.findPwd)

  name = self.ui.userlineEdit.text()
  pwd = self.ui.pwdlineEdit.text()
  identity = self.ui.comboBox.currentIndex()
  identity = str(identity)
  sql = "select * from administrater where username = '" + name + "' and password = '" + pwd + "' and identity= '"+ identity +"' "
  db = PyMySQLHelper()
  db.selectALL(sql)

 def keyPressEvent(self, event):
  if event.key() == QtCore.Qt.Key_Enter:
   self.slotLogin()
 def findPwd(self):
  # self.accept()
  self.u = FPwd_ui()
  self.u.show()
  # self.ui.exec()
 def slotLogin(self):
  # # 获得登录输入
  name = self.ui.userlineEdit.text()
  pwd = self.ui.pwdlineEdit.text()
  print(name)
  db = PyMySQLHelper() 
  identity = self.ui.comboBox.currentIndex() # 获取下标
  identity = str(identity)

  if name != '' and pwd != '':
   if identity == '0':

    sql = "select * from administrater where username = '" + name + "' and " \
                    "password = '" + pwd + "' and identity= '" + identity + "' "
    print(sql)
    # cursor.execute(sql)
    # results = cursor.fetchall()
    results = db.selectALL(sql)

    if results:
     self.ui1 = Finance()
     # self.ui1.exec()
     self.ui1.show()
     self.close()
    else:
     OK = QMessageBox.warning(self, ("警告"), ("""账号或密码错误!"""))
    # cursor.close()
    # conn.close()
   elif identity == '1':

    sql = "select * from administrater where username = '" + name + "' and " \
                    "password = '" + pwd + "' and identity= '" + identity + "' "
    print(sql)
    # cursor.execute(sql)
    # results = cursor.fetchall()
    results = db.selectALL(sql)
    if results:
     self.ui2 = InfoManage()
     self.ui2.show()
     self.close()
    else:
     OK = QMessageBox.warning(self, ("警告"), ("""账号或密码错误!"""))

   elif identity == '2':
    sql = "select * from administrater where username = '" + name + "' and " \
                    "password = '" + pwd + "' and identity= '" + identity + "' "
    print(sql)

    results = db.selectALL(sql)
    # print(identity)

    if results:
     self.uu = SeatManage()
     self.uu.exec()
     self.close()
    else:
     OK = QMessageBox.warning(self, ("警告"), ("""账号或密码错误!"""))
   elif name == 'admin' and pwd == '123' and identity == '3':
    self.a = Admin()
    self.a.show()
    self.close()



  else:
   if name == '':
    OK = QMessageBox.warning(self, ("警告"), ("""请输入账号!"""))
   if pwd == '':
    OK = QMessageBox.warning(self, ("警告"), ("""请输入密码!"""))
  # cursor.close()
  # conn.close()
 def slotRegister(self):
  self.i = reUi() # self.i的窗口命名不能重复
  self.i.exec_()


if __name__ == '__main__':
 app = QtWidgets.QApplication(sys.argv)
 my = Login()
 my.show()
 sys.exit(app.exec_())

界面类:

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_login_Ui(object):
 def setupUi(self, login_Ui):
  login_Ui.setObjectName("login_Ui")
  login_Ui.resize(581, 533)
  self.gridLayoutWidget = QtWidgets.QWidget(login_Ui)
  self.gridLayoutWidget.setGeometry(QtCore.QRect(160, 330, 295, 141))
  self.gridLayoutWidget.setObjectName("gridLayoutWidget")
  self.gridLayout = QtWidgets.QGridLayout(self.gridLayoutWidget)
  self.gridLayout.setContentsMargins(0, 0, 0, 0)
  self.gridLayout.setObjectName("gridLayout")
  self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
  self.horizontalLayout_2.setObjectName("horizontalLayout_2")
  self.loginButton = QtWidgets.QPushButton(self.gridLayoutWidget)
  self.loginButton.setObjectName("loginButton")
  self.horizontalLayout_2.addWidget(self.loginButton)
  self.registerButton = QtWidgets.QPushButton(self.gridLayoutWidget)
  self.registerButton.setObjectName("registerButton")
  self.horizontalLayout_2.addWidget(self.registerButton)
  self.pushButton = QtWidgets.QPushButton(self.gridLayoutWidget)
  self.pushButton.setObjectName("pushButton")
  self.horizontalLayout_2.addWidget(self.pushButton)
  self.gridLayout.addLayout(self.horizontalLayout_2, 4, 1, 1, 1)
  self.userlineEdit = QtWidgets.QLineEdit(self.gridLayoutWidget)
  self.userlineEdit.setObjectName("userlineEdit")
  self.gridLayout.addWidget(self.userlineEdit, 0, 1, 1, 1)
  self.userLabel = QtWidgets.QLabel(self.gridLayoutWidget)
  self.userLabel.setObjectName("userLabel")
  self.gridLayout.addWidget(self.userLabel, 0, 0, 1, 1)
  self.labelTip = QtWidgets.QLabel(self.gridLayoutWidget)
  self.labelTip.setObjectName("labelTip")
  self.gridLayout.addWidget(self.labelTip, 3, 1, 1, 1)
  self.pwdlineEdit = QtWidgets.QLineEdit(self.gridLayoutWidget)
  self.pwdlineEdit.setObjectName("pwdlineEdit")
  self.gridLayout.addWidget(self.pwdlineEdit, 1, 1, 1, 1)
  self.pwdlabel = QtWidgets.QLabel(self.gridLayoutWidget)
  self.pwdlabel.setObjectName("pwdlabel")
  self.gridLayout.addWidget(self.pwdlabel, 1, 0, 1, 1)
  self.comboBox = QtWidgets.QComboBox(self.gridLayoutWidget)
  self.comboBox.setObjectName("comboBox")
  self.comboBox.addItem("")
  self.comboBox.addItem("")
  self.comboBox.addItem("")
  self.comboBox.addItem("")
  self.gridLayout.addWidget(self.comboBox, 2, 1, 1, 1)
  self.label = QtWidgets.QLabel(self.gridLayoutWidget)
  self.label.setObjectName("label")
  self.gridLayout.addWidget(self.label, 2, 0, 1, 1)
  self.label_2 = QtWidgets.QLabel(login_Ui)
  self.label_2.setGeometry(QtCore.QRect(-10, 0, 601, 321))
  self.label_2.setText("")
  self.label_2.setObjectName("label_2")

  self.retranslateUi(login_Ui)
  QtCore.QMetaObject.connectSlotsByName(login_Ui)

 def retranslateUi(self, login_Ui):
  _translate = QtCore.QCoreApplication.translate
  login_Ui.setWindowTitle(_translate("login_Ui", "Form"))
  self.loginButton.setText(_translate("login_Ui", "登 陆"))
  self.registerButton.setText(_translate("login_Ui", "注 册"))
  self.pushButton.setText(_translate("login_Ui", "找回密码"))
  self.userLabel.setText(_translate("login_Ui", " 账 户"))
  self.labelTip.setText(_translate("login_Ui", "密码或用户名错误"))
  self.pwdlabel.setText(_translate("login_Ui", " 密 码"))
  self.comboBox.setItemText(0, _translate("login_Ui", "财务管理员"))
  self.comboBox.setItemText(1, _translate("login_Ui", "信息管理员"))
  self.comboBox.setItemText(2, _translate("login_Ui", "停车场管理员"))
  self.comboBox.setItemText(3, _translate("login_Ui", "超级管理员"))
  self.label.setText(_translate("login_Ui", " 请选择"))

具体代码:pyqt5实现登录界面

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。

Python 相关文章推荐
python命令行参数sys.argv使用示例
Jan 28 Python
Python使用Flask框架获取当前查询参数的方法
Mar 21 Python
深入讨论Python函数的参数的默认值所引发的问题的原因
Mar 30 Python
介绍Python中的一些高级编程技巧
Apr 02 Python
pandas数据处理基础之筛选指定行或者指定列的数据
May 03 Python
python判断设备是否联网的方法
Jun 29 Python
Django模板Templates使用方法详解
Jul 19 Python
基于pygame实现童年掌机打砖块游戏
Feb 25 Python
python同时遍历两个list用法说明
May 02 Python
Python列表嵌套常见坑点及解决方案
Sep 30 Python
python 获取谷歌浏览器保存的密码
Jan 06 Python
LyScript实现绕过反调试保护的示例详解
Aug 14 Python
Django实现单用户登录的方法示例
Mar 28 #Python
pyqt5实现登录界面的模板
May 30 #Python
python实现AES加密和解密
Mar 27 #Python
详解Python计算机视觉 图像扭曲(仿射扭曲)
Mar 27 #Python
python实现向微信用户发送每日一句 python实现微信聊天机器人
Mar 27 #Python
Pandas读写CSV文件的方法示例
Mar 27 #Python
使用Python的SymPy库解决数学运算问题的方法
Mar 27 #Python
You might like
探讨:如何使用PHP实现计算两个日期间隔的年、月、周、日数
2013/06/13 PHP
Yii隐藏URL中index.php的方法
2016/07/12 PHP
JavaScript高级程序设计(第三版)学习笔记6、7章
2016/03/11 Javascript
jquery 追加元素append、prepend、before、after用法与区别分析
2016/12/02 Javascript
Vue.js中用webpack合并打包多个组件并实现按需加载
2017/02/17 Javascript
jQuery实现可拖动进度条实例代码
2017/06/21 jQuery
使用JQ完成表格隔行换色的简单实例
2017/08/25 Javascript
ReactRouter的实现方法
2021/01/25 Javascript
[08:04]TI4西雅图DOTA2前线报道 海涛探访各路人马
2014/07/09 DOTA
[51:20]完美世界DOTA2联赛PWL S2 Magma vs PXG 第一场 11.28
2020/12/01 DOTA
Python模块学习 filecmp 文件比较
2012/08/27 Python
Python两个整数相除得到浮点数值的方法
2015/03/18 Python
Python实现合并字典的方法
2015/07/07 Python
Python语法快速入门指南
2015/10/12 Python
matplotlib绘图实例演示标记路径
2018/01/23 Python
Python交互环境下实现输入代码
2018/06/22 Python
python pytest进阶之conftest.py详解
2019/06/27 Python
python标记语句块使用方法总结
2019/08/05 Python
使用tqdm显示Python代码执行进度功能
2019/12/08 Python
PyQt5 文本输入框自动补全QLineEdit的实现示例
2020/05/13 Python
美国床垫和床上用品公司:Nest Bedding
2017/06/12 全球购物
瑞士领先的网上超市:LeShop.ch
2018/11/14 全球购物
请写一个C函数,若处理器是Big_endian的,则返回0;若是Little_endian的,则返回1
2015/07/16 面试题
领导的自我鉴定
2013/12/28 职场文书
渔夫的故事教学反思
2014/02/14 职场文书
生物制药专业自我鉴定
2014/02/19 职场文书
物业总经理岗位职责
2014/02/28 职场文书
中餐厅经理岗位职责
2014/04/11 职场文书
医生个人自我剖析材料
2014/10/08 职场文书
入党函调证明材料
2014/12/24 职场文书
财务统计员岗位职责
2015/04/14 职场文书
李强感恩观后感
2015/06/17 职场文书
详细总结Python常见的安全问题
2021/05/21 Python
Java用自带的Image IO给图片添加水印
2021/06/15 Java/Android
python 详解turtle画爱心代码
2022/02/15 Python
MYSQL如何查看进程和kill进程
2022/03/13 MySQL