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from PyQt5.QtGui import *
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from PyQt5.QtCore import *
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from PyQt5.QtWidgets import *
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from controllers.caller_main import CallerMain
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from views.Ui_login import Ui_win_Login
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# login界面controller类
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# 需要继承QWidget 如果是主窗体需要继承QMainWindow
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class Login(QWidget):
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def __init__(self):
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# 这句一定要调用父类构造函数
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super().__init__()
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# 动态加载UI文件
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self.ui = Ui_win_Login()
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self.ui.setupUi(self)
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self.setWindowFlag(Qt.FramelessWindowHint) # 去除边框
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self.setAttribute(Qt.WA_TranslucentBackground) # 将界面属性设置为半透明
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# 设定一个阴影：半径为10 颜色为#444 定位为0，0
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self.shadow = QGraphicsDropShadowEffect()
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self.shadow.setBlurRadius(10)
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self.shadow.setColor(QColor('#444'))
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self.shadow.setOffset(0, 0)
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self.ui.f_login_main.setGraphicsEffect(self.shadow)
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# 注册登录按钮事件
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self.ui.btn_login.clicked.connect(self.login_action)
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# 注册关闭程序按钮事件
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self.ui.btn_close.clicked.connect(self.exit_action)
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# 注册最小化窗口按钮事件
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self.ui.btn_min.clicked.connect(self.min_action)
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# 登录按钮事件
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def login_action(self):
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# 创建窗口选择界面对象
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self.callerMain = CallerMain()
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# 显示窗口选择界面
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self.callerMain.show()
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# 关闭登录界面
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self.close()
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# print('login success')
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# 关闭按钮事件
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def exit_action():
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app = QApplication.instance()
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app.quit()
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# 最小化事件
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def min_action(self):
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self.showMinimized()
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# 重写鼠标按下事件 左键按下时获取鼠标坐标，按下右键取消
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def mousePressEvent(self, event):
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if event.button() == Qt.LeftButton:
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self.m_flag = True
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self.m_Position = event.globalPos() - self.pos()
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event.accept()
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elif event.button() == Qt.RightButton:
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self.m_flag = False
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# 重写鼠标移动事件 在按下左键移动是根据坐标移动界面
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def mouseMoveEvent(self, QMouseEvent):
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if Qt.LeftButton and self.m_flag and self.ui.f_title.underMouse():
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self.move(QMouseEvent.globalPos() - self.m_Position)
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QMouseEvent.accept()
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# 重写鼠标释放事件 当鼠标按键释放时 取消移动
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def mouseReleaseEvent(self, QMouseEvent):
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self.m_flag = False
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