python+pyqt实现12306图片验证效果

来源：互联网发布：秦淮数据怎么样编辑：程序博客网时间：2024/06/06 01:16

备份一下

思路：在鼠标点击位置加一个按钮,然后再按钮中的点击事件中写一个关闭事件.

#coding:utf-8from PyQt4.QtGui import *from PyQt4.QtCore import *from push_button import *from PIL import Imageclass Yanzheng(QWidget):    def __init__(self,parent=None):        super(Yanzheng,self).__init__(parent)        self.m_start_point=0  #x坐标        self.m_end_point=0  #y坐标        self.coordinate=[]        self.codeimage="./img/code.png"        self.connect(self,SIGNAL("addlable"),self.addpic)        self.main_layout=QFormLayout()        self.setLayout(self.main_layout)        self.resize(293,190)        self.pixmap=QPixmap("./img/cur.png")    def addpic(self):        print self.m_start_point,self.m_end_point        xpoint=self.m_start_point        ypoint=self.m_end_point-28        codepng2 = PushButton(self)        codepng2.loadPixmapreal('./img/cur.png')        codepng2.setGeometry(self.m_start_point,self.m_end_point,30,30)        codepng2.show()        #self.emit(SIGNAL("dellabel"),self.codepng2)        self.coordinate.append("%s,%s" %(xpoint,ypoint))        self.connect(codepng2,SIGNAL("clicked()"),lambda:self.dellabel(codepng2,xpoint,ypoint))        #self.update()    #删除标记    def dellabel(self,q,x,y):        print x,y        self.coordinate.remove("%s,%s" %(x,y))        q.close()    def mousePressEvent(self,event):        if (event.type()==QEvent.MouseButtonPress):            self.m_start_point = event.pos().x()-12            self.m_end_point= event.pos().y()-12            self.emit(SIGNAL("addlable"))    def paintEvent(self, event):        p = QPainter(self)        p.drawPixmap(0,0,QPixmap(self.codeimage))if __name__=='__main__':    import sys    app=QApplication(sys.argv)    inputurl=Yanzheng()    inputurl.show()    sys.exit(app.exec_())

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