python中pywebview框架使用方法记录
作者:monster justin
Pywebview是一个用于构建网页的Python库,类似于Flask框架,但主要使用Python编写而非HTML或JS,通过简单的命令即可安装和使用,支持创建自制或调用外部网页界面,需要的朋友可以参考下
前言
pywebview是python的一个库,类似于flask框架,这也是用来构建网页的软件包,它的特点就是不用更多的和html语言和js语言,更多的使用python语言就可以完成网页的创建和元素的监听该库的简介和示例,简单使用看示例足够,但是其中也不够详尽:https://pywebview.flowrl.com/
一、安装pywebview
首先,确保已经安装了pywebview,
可以通过以下命令进行安装:
pip install pywebview
二、简单使用
简单的创建界面和一些基础操作,这里不再赘述,也没什么营养,官方示例都已给出,这里只贴上一些示例:
一个示例界面;
import webview if __name__ == '__main__': # Create a standard webview window window = webview.create_window('Simple browser', 'https://pywebview.flowrl.com/hello') webview.start()
一个自制界面:
import webview html = """ <html> <head></head> <body> <h2>Links</h2> <p><a href='https://pywebview.flowrl.com'>Regular links</a> are opened in the application window.</p> <p><a href='https://pywebview.flowrl.com' target='_blank'>target='_blank' links</a> are opened in an external browser.</p> </body> </html> """ if __name__ == '__main__': window = webview.create_window('Link types', html=html) webview.start()
调用的是外部界面:
import webview if __name__ == '__main__': window = webview.create_window(title='Webview App', url="https://hailuoai.com/?type=chat&chatID=251739240281759747/", confirm_close=True, zoomable=True, vibrancy=True, width=1275, height=745) webview.start(user_agent='Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 Edg/125.0.0.0', debug=True)
于是可以从这几个例子看出来,pywebview主要有两种,可以是自制的网页html参数,又或者是url的外部链接。
三、高级使用
主要是关于dom的元素创建选择何使用:按钮等等,关于bind函数
import random import webview rectangles = [] def random_color(): red = random.randint(0, 255) green = random.randint(0, 255) blue = random.randint(0, 255) return f'rgb({red}, {green}, {blue})' def bind(window): def toggle_disabled(): disabled = None if len(rectangles) > 0 else True remove_button.attributes = { 'disabled': disabled } empty_button.attributes = { 'disabled': disabled } move_button.attributes = { 'disabled': disabled } def create_rectangle(_): color = random_color() rectangle = window.dom.create_element(f'<div class="rectangle" style="background-color: {color};"></div>', rectangle_container) rectangles.append(rectangle) toggle_disabled() def remove_rectangle(_): if len(rectangles) > 0: rectangles.pop().remove() toggle_disabled() def move_rectangle(_): if len(rectangle_container.children) > 0: rectangle_container.children[-1].move(circle_container) def empty_container(_): rectangle_container.empty() rectangles.clear() toggle_disabled() def change_color(_): circle.style['background-color'] = random_color() def toggle_class(_): circle.classes.toggle('circle') rectangle_container = window.dom.get_element('#rectangles') circle_container = window.dom.get_element('#circles') circle = window.dom.get_element('#circle') toggle_button = window.dom.get_element('#toggle-button') toggle_class_button = window.dom.get_element('#toggle-class-button') duplicate_button = window.dom.get_element('#duplicate-button') remove_button = window.dom.get_element('#remove-button') move_button = window.dom.get_element('#move-button') empty_button = window.dom.get_element('#empty-button') add_button = window.dom.get_element('#add-button') color_button = window.dom.get_element('#color-button') toggle_button.events.click += lambda e: circle.toggle() duplicate_button.events.click += lambda e: circle.copy() toggle_class_button.events.click += toggle_class remove_button.events.click += remove_rectangle move_button.events.click += move_rectangle empty_button.events.click += empty_container add_button.events.click += create_rectangle color_button.events.click += change_color if __name__ == '__main__': window = webview.create_window( 'DOM Manipulations Example', html=''' <html> <head> <style> button { font-size: 100%; padding: 0.5rem; margin: 0.3rem; text-transform: uppercase; } .rectangle { width: 100px; height: 100px; display: flex; justify-content: center; align-items: center; margin: 0.5rem; border-radius: 5px; background-color: red; } .circle { border-radius: 50px; background-color: red; } .circle:hover { background-color: green; } .container { display: flex; flex-wrap: wrap; } </style> </head> <body> <button id="toggle-button">Toggle circle</button> <button id="toggle-class-button">Toggle class</button> <button id="color-button">Change color</button> <button id="duplicate-button">Duplicate circle</button> <button id="add-button">Add rectangle</button> <button id="remove-button" disabled>Remove rectangle</button> <button id="move-button" disabled>Move rectangle</button> <button id="empty-button" disabled>Remove all</button> <div id="circles" style="display: flex; flex-wrap: wrap;"> <div id="circle" class="rectangle circle"></div> </div> <div id="rectangles" class="container"></div> </body> </html> ''' ) webview.start(bind, window)
并且使用event可以监听按钮等等的事件发生
并且是支持动态生成元素的:
with open(file_path, 'r', encoding='utf-8') as file: for line in file: count += 1 window.dom.create_element( f"<input id='word{count}' writingsuggestions='true' type='text' class='editable-textbox'>111</input>" ) temp = window.dom.get_element(f'#word{count}') line = line.rstrip('\n') temp.value = line
总结
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