怎么修改，可以实现点击‘保存图片’，按‘crtl+alt+a’截图，然后按‘enter’保存图片

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2021/12/30 19:18
# @Author  : 志在逍遥
# @File    : newtest.py
# @Software: PyCharm
from PySide2.QtWidgets import QApplication, QMessageBox
from PySide2.QtUiTools import QUiLoader
import sys
import  time
import keyboard
from PIL import ImageGrab

# 调用百度的接口识别图片内容
from aip import AipOcr

"""你的APPID AK SK"""
APP_ID = "**"
API_KEY = "**"
SECRET_KEY = "**"
client = AipOcr(APP_ID, API_KEY, SECRET_KEY)
class Stats:

    def __init__(self):
        # 从文件中加载UI定义

        # 从 UI 定义中动态 创建一个相应的窗口对象
        # 注意：里面的控件对象也成为窗口对象的属性了
        # 比如 self.ui.button , self.ui.textEdit
        self.ui = QUiLoader().load('jietu21.ui')
        self.ui.pushButton.clicked.connect(self.saveimage)

        self.ui.pushButton_3.clicked.connect(self.handleCalc1)
        self.ui.pushButton_6.clicked.connect(self.handleCalc2)

        self.ui.pushButton.setStyleSheet("background-color: cyan;")
        self.ui.pushButton_3.setStyleSheet("background-color: red;")
        self.ui.pushButton_6.setStyleSheet("background-color: yellow;")
        self.ui.textEdit.setText('这是截图文本框内容')
        self.ui.textEdit.setStyleSheet("background-color: pink;")
    def saveimage(self):
        keyboard.wait(hotkey="alt+ctrl+a")  # 等待键盘的触发
        keyboard.wait(hotkey="enter")
        time.sleep(0.1)

        # 图片保存
        image = ImageGrab.grabclipboard()  # 获取剪切板的图片
        image.save('12.jpg')  # 图片保存
    def handleCalc1(self):
        # 打开12.jpg图片
        with open('12.jpg', 'rb') as f:
            image = f.read()  # image就是这张图片的二进制内容
            text = client.basicAccurate(image)  # 调用百度的接口识别图片的内容

            result = text['words_result']
            for i in result:
                self.ui.textEdit.append(i['words'])
    def handleCalc2(self):
        self.ui.textEdit.clear()

if __name__=='__main__':
    app = QApplication(sys.argv)
    stats = Stats()
    stats.ui.show()
    sys.exit(app.exec_())

    def saveimage(self):
        # keyboard.wait(hotkey = "alt+ctrl+a")  # 等待键盘的触发
        # keyboard.wait(hotkey = "enter")
        # time.sleep(0.1)

        # 图片保存
        image = ImageGrab.grabclipboard()  # 获取剪切板的图片
        image.save('12.jpg')  # 图片保存

按照上面的方法屏蔽读取键盘的操作
即可实现点击对象名为pushButton的按键来保存图片
有帮助请点一下右上角的采纳,谢谢