PYQT4小白的第一个图形程序

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如图

以前对图形编程挺感兴趣的，刚刚看了pyqt4的教程写了一个入门的小白程序。

接下来在写写这样方便以后操作脚本。

# -*-coding:utf-8 -*-import sysfrom PyQt4 import QtCore, QtGui, uic qtCreatorFile = "graph.ui" # Enter file here. Ui_MainWindow, QtBaseClass = uic.loadUiType(qtCreatorFile) class MyApp(QtGui.QMainWindow, Ui_MainWindow):    def __init__(self):        QtGui.QMainWindow.__init__(self)        Ui_MainWindow.__init__(self)        self.setupUi(self)        self.heart.clicked.connect(self.heart1)        self.triangle.clicked.connect(self.triangle1)        self.square.clicked.connect(self.square1)        self.rectangle.clicked.connect(self.rectangle1)                        def heart1(self):               a = '\n'.join([''.join([('PYTHON!'[(x-y)%7]if((x*0.05)**2+(y*0.1)**2-1)**3-(x*0.05)**2*(y*0.1)**3<=0 else' ')for x in range(-30,30)])for y in range(15,-15,-1)])        self.result.setText(a)            def triangle1(self):               d = 10        l=[' '*(2*d-1)]*d #初始化列表          for i in range(d):              l[i]=list(l[i]) #字符串转列表              x=i              y=0              x=d-x-1 #确定每行首项              l[i][x]="*"              while y<i:                  x+=2 #公差为2                  l[i][x]='*'                  y+=1              l[i]=''.join(l[i]) #列表转字符串              print(l[i]) #打印每行             self.result.setText(l[i])    def square1(self):        for k in range(0,100):            for i in range(0,100):                print "*",                i += 1            k += 1            print "\n"        self.result.setText()    def rectangle1(self):        for k in range(0,100):            for i in range(0,200):                print "*",                i += 1            k += 1            print "\n"        self.result.setText()if __name__ == "__main__":    app = QtGui.QApplication(sys.argv)    window = MyApp()    window.show()    sys.exit(app.exec_())

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