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156 lines
5.1 KiB
156 lines
5.1 KiB
'''
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本模块用于创建登录界面并保存用户信息
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'''
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import sys
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from PyQt5.QtWidgets import QApplication, QWidget, QLineEdit, QPushButton, QVBoxLayout, QHBoxLayout, QLabel
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from PyQt5.QtCore import Qt,QTimer
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from PyQt5.QtGui import QPixmap, QPainter
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from PyQt5.QtWidgets import QCheckBox
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import platform
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from solve_path import b2_path, b2txt_path
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import json
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from show_welcome import show_image
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platf = platform.platform()
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class MyApp(QWidget):
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def __init__(self):
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super().__init__()
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self.initUI()
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def initUI(self):
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# 加载背景图片
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if 'Windows' in platf:
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b2_path.replace('\b','\\b')
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self.background = QPixmap(b2_path)
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# 创建一个垂直布局
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mainLayout = QVBoxLayout()
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self.showPasswordCheckbox = QCheckBox("显示密码", self)
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self.showPasswordCheckbox.stateChanged.connect(self.togglePasswordVisibility)
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# 创建三个文本框并设置占位符
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self.nameEdit = QLineEdit()
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self.pwdEdit = QLineEdit()
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self.urlEdit = QLineEdit()
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self.pwdEdit.setEchoMode(QLineEdit.Password)
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# 创建一个按钮并连接信号
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btn = QPushButton('提交')
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btn.clicked.connect(self.onSubmit)
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mainLayout.addWidget(self.showPasswordCheckbox, 0, Qt.AlignCenter)
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# 创建一个用于显示错误信息的标签
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self.errorLabel = QLabel('', self)
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self.errorLabel.hide() # 初始时隐藏该标签
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self.setWindowTitle('头歌助手登录')
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# 对于每个输入框，创建一个水平布局以保持居中
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for label_text, edit_widget in [("用户名", self.nameEdit),
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("密 码", self.pwdEdit),
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("作业网址", self.urlEdit)]:
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hbox = QHBoxLayout()
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hbox.addStretch()
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vbox_inner = QVBoxLayout()
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vbox_inner.addWidget(QLabel(label_text))
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vbox_inner.addWidget(edit_widget)
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hbox.addLayout(vbox_inner)
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hbox.addStretch()
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mainLayout.addLayout(hbox)
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# 添加按钮和错误信息标签到布局
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mainLayout.addWidget(btn, 0, Qt.AlignCenter)
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mainLayout.addWidget(self.errorLabel, 0, Qt.AlignCenter)
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# 设置窗口的布局
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self.setLayout(mainLayout)
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self.setGeometry(350, 350, 1200, 700)
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self.centerWindow()
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# 应用样式
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self.applyStyles()
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def togglePasswordVisibility(self):
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if self.showPasswordCheckbox.isChecked():
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self.pwdEdit.setEchoMode(QLineEdit.Normal)
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else:
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self.pwdEdit.setEchoMode(QLineEdit.Password)
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def paintEvent(self, event):
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painter = QPainter(self)
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painter.drawPixmap(self.rect(), self.background)
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def centerWindow(self):
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qr = self.frameGeometry()
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cp = QApplication.desktop().availableGeometry().center()
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qr.moveCenter(cp)
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self.move(qr.topLeft())
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def applyStyles(self):
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self.setStyleSheet("""
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QLineEdit {
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border: 1px solid gray;
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border-radius: 10px;
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padding: 5px;
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background: rgba(255, 255, 255, 100);
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color: black;
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width: 300px;
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height: 50px;
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font-size: 14pt; /* 设置字号为14磅 */
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font-family: 'Microsoft YaHei'; /* 设置字体为微软雅黑 */
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}
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QLineEdit:focus {
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border: 3px solid black;
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}
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QLabel {
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color: black;
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font-size: 20pt;
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font-family: "Microsoft YaHei";
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margin-top: 50px; /* 顶部外边距 */
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margin-left: 200px; /* 左侧外边距 */
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}
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QPushButton {
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border: 1px solid gray;
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border-radius: 10px;
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background: rgba(255, 255, 255, 100);
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color: black;
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width: 100px;
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height: 27px;
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}
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/* 样式用于错误信息标签 */
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QLabel#errorLabel {
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color: red;
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font-size: 16pt;
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}
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""")
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def onSubmit(self):
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name = self.nameEdit.text()
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pwd = self.pwdEdit.text()
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url = self.urlEdit.text()
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if name == '' or pwd == '' or url == '':
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self.showError("非法输入！")
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else:
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with open('userinfo.json', 'w') as f:
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json.dump({'name': name, 'pwd': pwd, 'url': url}, f)
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self.close()
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def showError(self, message):
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self.errorLabel.setText(message)
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self.errorLabel.show()
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QTimer.singleShot(1200, self.hideError)
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def hideError(self):
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self.errorLabel.hide()
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# 关闭窗口
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def show_login():
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app = QApplication(sys.argv)
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ex = MyApp()
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ex.show()
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app.exec_()
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if __name__ == '__main__':
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show_image()
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show_login()
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