pyqt5窗口调用

我使用 uic 模块直接读取 ui 文件.
好处:

• 一个ui对应一个py文件
• 直接修改ui, 然后运行py文件即可

不好的地方在于, ui里面的信息在编辑的时候不会有提示.

1. 创建两个ui文件: main.ui 和testDialog.ui
   
   
2. testDialog.py

import sys
from PyQt5.QtWidgets import QApplication, QDialog
from PyQt5.uic import loadUi

class testDialog(QDialog):
    def __init__(self):
        super(testDialog, self).__init__()
        loadUi('testDialog.ui', self)
        self.bt_1.clicked.connect(self.changeText)
        self.show()

    def changeText(self):
        self.bt_1.setText('你点击了我')

3. main.py

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
from PyQt5.uic import loadUi


class main(QMainWindow):
    def __init__(self):
        super(main, self).__init__()
        loadUi('main.ui', self)
        self.bt_showTestDialog.clicked.connect(self.showTestDialog)
        self.show()

    def showTestDialog(self):
        from testDialog import testDialog
        d = testDialog()
        d.exec_()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = main()
    sys.exit(app.exec_())

这样直接运行就可以了

另外还有一个 snippets.
做完ui文件后, 新建一个和ui同名的py文件.
输入gui_main / gui_dialog 自动根据文件名生成代码:

"Python GUI main": {
		"prefix": "gui_main",
		"body": [
			"import sys",
			"from PyQt5.QtWidgets import QApplication, QMainWindow",
			"from PyQt5.uic import loadUi",
			"",
			"",
			"class ${1:$TM_FILENAME_BASE}(QMainWindow):",
			"\tdef __init__(self):",
			"\t\tsuper($1, self).__init__()",
			"\t\tloadUi('$1.ui', self)",
			"\t\t$2",
			"\t\tself.show()",
			"",
			"",
			"if __name__ == '__main__':",
			"\tapp = QApplication(sys.argv)",
			"\tmain = $1()",
			"\tsys.exit(app.exec_())",
		],
		"description": "Python GUI 自动生成 main"
	},
	"Python GUI dialog": {
		"prefix": "gui_dialog",
		"body": [
			"import sys",
			"from PyQt5.QtWidgets import QApplication, QDialog",
			"from PyQt5.uic import loadUi",
			"",
			"",
			"class ${1:$TM_FILENAME_BASE}(QDialog):",
			"\tdef __init__(self):",
			"\t\tsuper($1, self).__init__()",
			"\t\tloadUi('$1.ui', self)",
			"\t\t$2",
			"\t\tself.show()",
			"",
			"",
			"if __name__ == '__main__':",
			"\tapp = QApplication(sys.argv)",
			"\tmain = $1()",
			"\tsys.exit(app.exec_())",
		],
		"description": "Python GUI 自动生成 dialog"
	}