利用PyQt5生成過年春聯

http://xufive.sdysit.com/tk

import io  # python IO 處理模塊
from PIL import Image  # 圖像處理模塊
import requests  # 網絡請求模塊

from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *

from QCandyUi import CandyWindow

import sys
import os

 def init_ui(self):
        self.setWindowTitle('春聯生成器')
        self.setWindowIcon(QIcon('春聯.ico'))

        vbox_main = QVBoxLayout()

        self.image_label = QLabel()
        self.image_label.setScaledContents(True)
        self.image_label.setMaximumSize(650,150)
        self.image_label.setPixmap(QPixmap('橫批演示.jpg'))

        hbox = QHBoxLayout()
        self.brower = QTextBrowser()
        self.brower.setFont(QFont('宋體', 8))
        self.brower.setReadOnly(True)
        self.brower.setPlaceholderText('信息展示區域')
        self.brower.ensureCursorVisible()

        form = QFormLayout()

        self.up_label = QLabel()
        self.up_label.setText('設置上聯')

        self.up_text = QLineEdit()
        self.up_text.setPlaceholderText('請輸入上聯')

        self.down_label = QLabel()
        self.down_label.setText('設置下聯')

        self.down_text = QLineEdit()
        self.down_text.setPlaceholderText('請輸入下聯')

        self.h_label = QLabel()
        self.h_label.setText('設置橫批')

        self.h_text = QLineEdit()
        self.h_text.setPlaceholderText('請輸入橫批')

        self.thread_ = WorkThread(self)
        self.thread_.trigger.connect(self.update_log)
        self.thread_.finished.connect(self.finished)

        self.save_path = QLineEdit()
        self.save_path.setReadOnly(True)

        self.save_btn = QPushButton()
        self.save_btn.setText('存儲路徑')
        self.save_btn.clicked.connect(self.save_btn_click)

        form.addRow(self.up_label, self.up_text)
        form.addRow(self.down_label, self.down_text)
        form.addRow(self.h_label, self.h_text)
        form.addRow(self.save_path, self.save_btn)

        vbox = QVBoxLayout()

        self.start_btn = QPushButton()
        self.start_btn.setText('開始生成春聯')
        self.start_btn.clicked.connect(self.start_btn_click)

        vbox.addLayout(form)
        vbox.addWidget(self.start_btn)

        hbox.addWidget(self.brower)
        hbox.addLayout(vbox)

        vbox_main.addWidget(self.image_label)
        vbox_main.addLayout(hbox)

        self.setLayout(vbox_main)

 def update_log(self, text):
        '''
        槽函數：向文本瀏覽器中寫入內容
        :param text:
        :return:
        '''
        cursor = self.brower.textCursor()
        cursor.movePosition(QTextCursor.End)
        self.brower.append(text)
        self.brower.setTextCursor(cursor)
        self.brower.ensureCursorVisible()

    def save_btn_click(self):
        dicr = QFileDialog.getExistingDirectory(self, '選擇文件夾', os.getcwd())
        self.save_path.setText(dicr)

    def start_btn_click(self):
        self.start_btn.setEnabled(False)
        self.thread_.start()

    def finished(self, finished):
        if finished is True:
            self.start_btn.setEnabled(True)
            h_image = self.save_path.text().strip() + '/橫批.jpg'
            if os.path.isfile(h_image):
                self.image_label.setPixmap(QPixmap(h_image))
            self.update_log('由於上下聯不好預覽，請使用圖片查看器預覽，目前僅支持橫批圖片預覽...')

  def run(self):
        up_text = self.parent.up_text.text().strip()
        down_text = self.parent.down_text.text().strip()
        h_text = self.parent.h_text.text().strip()
        save_path = self.parent.save_path.text().strip()
        if up_text == '' or down_text == '' or h_text == '' or save_path == '':
            self.trigger.emit('參數設置不允許為空，請設置好後重新開始！')
            self.finished.emit(True)
        else:
            text = up_text + ' ' + down_text
            self.generate_image(text, layout='V', pre=0.75, out_file=save_path + '/上下聯.jpg')
            self.generate_image(h_text, layout='H', pre=0.75, out_file=save_path + '/橫批.jpg')
            self.finished.emit(True)

def get_word_image(self, ch='bg', pre=1.0):
        '''
        單文字圖片下載函數
        :param ch: 默認網絡請求參數'bg'
        :param pre: 單個文字對象
        :return: 圖像對象
        '''
        res = io.BytesIO(requests.post(url='http://xufive.sdysit.com/tk', data={'ch': ch}).content)
        image = Image.open(res)
        w, h = image.size
        w, h = int(w * float(pre)), int(h * float(pre))
        return image.resize((w, h))  # 單個文字的形狀是正方形，所以這裡的長、寬都是一致的