基于PyQT5制作一个二维码生成器

# -*- coding:utf-8 -*-
import os

import sys

from PyQt5.QtWidgets import *

from PyQt5.QtGui import *

from PyQt5.QtCore import *

import images

# -*- coding:utf-8 -*-
    def init_ui(self):
        grid = QGridLayout()

        self.picture_name = ''
        self.words_label = QLabel()
        self.words_label.setText('链接设置：')
        self.words_text = QLineEdit()
        self.words_text.setPlaceholderText('www.baidu.com')
        self.words_text.setAttribute(Qt.WA_InputMethodEnabled, False)

        self.version_label = QLabel()
        self.version_label.setText('边距设置（只允许微调）：')
        self.version_text = QSpinBox()
        self.version_text.setRange(1, 3)
        self.version_text.setValue(1)

        self.picture_text = QLineEdit()
        self.picture_text.setPlaceholderText('个性化图片路径')
        self.picture_text.setReadOnly(True)
        self.picture_button = QPushButton()
        self.picture_button.setText('个性化图片')
        self.picture_button.clicked.connect(self.picture_button_click)

        self.colorized_label = QLabel()
        self.colorized_label.setText('是否显示为彩色：')
        self.colorized_text = QComboBox()
        colorized_items = ['是', '否']
        self.colorized_text.addItems(colorized_items)
        self.colorized_text.setCurrentIndex(1)

        self.brightness_label = QLabel()
        self.brightness_label.setText('调节图片亮度：')
        self.brightness_text = QDoubleSpinBox()
        self.brightness_text.setRange(1, 10)
        self.brightness_text.setSingleStep(1.0)

        self.save_dir_text = QLineEdit()
        self.save_dir_text.setPlaceholderText('存储目录')
        self.save_dir_text.setReadOnly(True)
        self.save_dir_button = QPushButton()
        self.save_dir_button.setText('自定义路径')
        self.save_dir_button.clicked.connect(self.save_dir_button_click)

        self.generate_button = QPushButton()
        self.generate_button.setText('快速生成二维码')
        self.generate_button.clicked.connect(self.generate_button_click)

        self.version_current = QLabel()
        self.version_current.setText('默认二维码为作者公众号，版本声明：本应用由公众号 [Python 集中营] 发布！')
        self.version_current.setAlignment(Qt.AlignCenter)
        self.version_current.setStyleSheet('color:red')

        self.image = QLabel()
        self.image.setScaledContents(True)
        self.image.setMaximumSize(200, 200)
        self.image.setPixmap(QPixmap(':/default.png'))

        grid.addWidget(self.words_label, 0, 0, 1, 1)
        grid.addWidget(self.words_text, 0, 1, 1, 2)
        grid.addWidget(self.version_label, 1, 0, 1, 2)
        grid.addWidget(self.version_text, 1, 2, 1, 1)
        grid.addWidget(self.picture_text, 2, 0, 1, 2)
        grid.addWidget(self.picture_button, 2, 2, 1, 1)
        grid.addWidget(self.colorized_label, 3, 0, 1, 2)
        grid.addWidget(self.colorized_text, 3, 2, 1, 1)
        grid.addWidget(self.brightness_label, 4, 0, 1, 2)
        grid.addWidget(self.brightness_text, 4, 2, 1, 1)
        grid.addWidget(self.save_dir_text, 5, 0, 1, 2)
        grid.addWidget(self.save_dir_button, 5, 2, 1, 1)
        grid.addWidget(self.generate_button, 6, 0, 1, 3)

        hbox = QHBoxLayout()
        hbox.addWidget(self.image)
        hbox.addSpacing(30)
        hbox.addLayout(grid)

        vbox = QVBoxLayout()
        vbox.addLayout(hbox)
        vbox.addSpacing(10)
        vbox.addWidget(self.version_current)

        self.setLayout(vbox)

    def picture_button_click(self):
        import os
        self.cwd = os.getcwd()
        txt_file_path = QFileDialog.getOpenFileName(self, "选取文件", self.cwd, "JPG File (*.jpg);; PNG File (*.png)")
        self.picture_text.setText(txt_file_path[0])
        if self.picture_text.text().strip() != "":
            self.picture_name = txt_file_path[0].split('/')[-1].split('.')[0]
            print(self.picture_name)
        else:
            self.picture_name = ''

    def save_dir_button_click(self):
        import os
        self.cwd = os.getcwd()
        directory = QFileDialog.getExistingDirectory(self, '选取文件夹', self.cwd)
        print(directory)
        self.save_dir_text.setText(directory)

from MyQR import myqr

'''
    myqr.run()  参数解释
    words        需要跳转的链接或者文字
    version        自然数，数字越大边长越大
    level        纠错等级
    picture        结合图片
    colorized    是否显示彩色
    contrast    对比度，默认为1.0
    brightness    亮度  float，调节图片的亮度
    save_name    输出文件名，默认文件名"qrcode.png"
    save_dir    存储位置，默认存储当前目录
'''

  def generate_button_click(self):
        from MyQR import myqr
        colorized_index = self.colorized_text.currentIndex()
        print(colorized_index)
        colorized = None
        if colorized_index == 0:
            colorized = True
        else:
            colorized = False
        print(colorized)
        words_text = self.words_text.text()
        words = None
        if words_text.strip() != "":
            words = words_text.strip()
        else:
            words = 'default message: Python is very beautiful'
        print(words)
        version_text = self.version_text.value()
        print(version_text)
        picture_text = self.picture_text.text()
        picture = None
        if picture_text.strip() != "":
            picture = picture_text
        print(picture)
        brightness_text = self.brightness_text.value()
        print(brightness_text)
        save_dir_text = self.save_dir_text.text()
        save_dir = None
        if save_dir_text.strip() != "":
            save_dir = save_dir_text.strip()
        else:
            save_dir = os.getcwd()
        print(save_dir)
        myqr.run(words=str(words), version=int(version_text), level='H', picture=picture,
                 colorized=colorized, contrast=1.0, brightness=float(brightness_text), save_dir=save_dir)
        if self.picture_name.strip() != '':
            map_dir = save_dir + '/' + self.picture_name + '_qrcode.png'
        else:
            map_dir = save_dir + '/' + 'qrcode.png'
        print(map_dir)
        self.image.setPixmap(QPixmap(map_dir))