pywebview桌面步伐开辟（技能路线：前端+Python，全网独一份！！！！！！） - ToB企服应用市场:ToB评测及商务社交产业平台

pip install pywebview

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import webview
webview.create_window('Hello world', 'https://pywebview.flowrl.com/')
webview.start()

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import webview
window = webview.create_window('Woah dude!', 'https://pywebview.flowrl.com')
webview.start()

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import webview
webview.create_window('Woah dude!', 'index.html')
webview.start(http_server=True)

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from flask import Flask
import webview
server = Flask(__name__, static_folder='./assets', template_folder='./templates')
webview.create_window('Flask example', server)
webview.start()

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import webview
def custom_logic(window):
window.evaluate_js('alert("welcome")')
window = webview.create_window('Woah dude!', html='<h1>Woah dude!<h1>')
webview.start(custom_logic, window)
# anything below this line will be executed after program is finished executing
print(2)#只有窗口关闭了才能打印

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import random
import sys
import threading
import time
import webview
html = """
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<style>
#response-container {
display: none;
padding: 3rem;
margin: 3rem 5rem;
font-size: 120%;
border: 5px dashed #ccc;
}
label {
margin-left: 0.3rem;
margin-right: 0.3rem;
}
button {
font-size: 100%;
padding: 0.5rem;
margin: 0.3rem;
text-transform: uppercase;
}
</style>
</head>
<body>
<h1>JS API Example</h1>
<p id='pywebview-status'><i>pywebview</i> is not ready</p>
<button onClick="initialize()">Hello Python</button><br/>
<button id="heavy-stuff-btn" onClick="doHeavyStuff()">Perform a heavy operation</button><br/>
<button onClick="getRandomNumber()">Get a random number</button><br/>
<label for="name_input">Say hello to:</label><input id="name_input" placeholder="put a name here">
<button onClick="greet()">Greet</button><br/>
<button onClick="catchException()">Catch Exception</button><br/>
<div id="response-container"></div>
<script>
window.addEventListener('pywebviewready', function() {
var container = document.getElementById('pywebview-status')
container.innerHTML = '<i>pywebview</i> is ready'
})
function showResponse(response) {
var container = document.getElementById('response-container')
container.innerText = response.message
container.style.display = 'block'
}
function initialize() {
pywebview.api.init().then(showResponse)
}
function doHeavyStuff() {
var btn = document.getElementById('heavy-stuff-btn')
pywebview.api.doHeavyStuff().then(function(response) {
showResponse(response)
btn.onclick = doHeavyStuff
btn.innerText = 'Perform a heavy operation'
})
showResponse({message: 'Working...'})
btn.innerText = 'Cancel the heavy operation'
btn.onclick = cancelHeavyStuff
}
function cancelHeavyStuff() {
pywebview.api.cancelHeavyStuff()
}
function getRandomNumber() {
pywebview.api.getRandomNumber().then(showResponse)
}
function greet() {
var name_input = document.getElementById('name_input').value;
pywebview.api.sayHelloTo(name_input).then(showResponse)
}
function catchException() {
pywebview.api.error().catch(showResponse)
}
</script>
</body>
</html>
"""
class Api:
def __init__(self):
self.cancel_heavy_stuff_flag = False
def init(self):
response = {'message': 'Hello from Python {0}'.format(sys.version)}
return response
def getRandomNumber(self):
response = {
'message': 'Here is a random number courtesy of randint: {0}'.format(
random.randint(0, 100000000)
)
}
return response
def doHeavyStuff(self):
time.sleep(0.1) # sleep to prevent from the ui thread from freezing for a moment
now = time.time()
self.cancel_heavy_stuff_flag = False
for i in range(0, 1000000):
_ = i * random.randint(0, 1000)
if self.cancel_heavy_stuff_flag:
response = {'message': 'Operation cancelled'}
break
else:
then = time.time()
response = {
'message': 'Operation took {0:.1f} seconds on the thread {1}'.format(
(then - now), threading.current_thread()
)
}
return response
def cancelHeavyStuff(self):
time.sleep(0.1)
self.cancel_heavy_stuff_flag = True
def sayHelloTo(self, name):
response = {'message': 'Hello {0}!'.format(name)}
return response
def error(self):
raise Exception('This is a Python exception')
if __name__ == '__main__':
api = Api()
window = webview.create_window('JS API example', html=html, js_api=api)
webview.start()

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import webview
def lol():
print('LOL')
def wtf():
print('WTF')
def echo(arg1, arg2, arg3):
print(arg1)
print(arg2)
print(arg3)
def expose(window):
window.expose(echo) # expose a function during the runtime
window.evaluate_js('pywebview.api.lol()')
window.evaluate_js('pywebview.api.wtf()')
window.evaluate_js('pywebview.api.echo(1, 2, 3)')
if __name__ == '__main__':
window = webview.create_window(
'JS Expose Example', html='<html><head></head><body><h1>JS Expost</body></html>'
)
window.expose(lol, wtf) # expose functions beforehand
webview.start(expose, window, debug=True)

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import time
import webview
def change_url(window):
# wait a few seconds before changing url:
time.sleep(10)
# change url:
window.load_url('https://pywebview.flowrl.com/hello')
if __name__ == '__main__':
window = webview.create_window('URL Change Example', 'http://www.google.com')
webview.start(change_url, window)

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import webview
def open_confirmation_dialog(window):
result = window.create_confirmation_dialog('Question', 'Are you ok with this?')
if result:
print('User clicked OK')
else:
print('User clicked Cancel')
if __name__ == '__main__':
window = webview.create_window(
'Confirmation dialog example', 'https://pywebview.flowrl.com/hello'
)
webview.start(open_confirmation_dialog, window)

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import webview
def on_closed():
print('pywebview window is closed')
def on_closing():
print('pywebview window is closing')
def on_shown():
print('pywebview window shown')
def on_minimized():
print('pywebview window minimized')
def on_restored():
print('pywebview window restored')
def on_maximized():
print('pywebview window maximized')
def on_resized(width, height):
print(
'pywebview window is resized. new dimensions are {width} x {height}'.format(
width=width, height=height
)
)
def on_loaded():
print('DOM is ready')
# unsubscribe event listener
webview.windows[0].events.loaded -= on_loaded
webview.windows[0].load_url('https://pywebview.flowrl.com/hello')
def on_moved(x, y):
print('pywebview window is moved. new coordinates are x: {x}, y: {y}'.format(x=x, y=y))
if __name__ == '__main__':
window = webview.create_window(
'Simple browser', 'https://pywebview.flowrl.com/', confirm_close=True
)
window.events.closed += on_closed
window.events.closing += on_closing
window.events.shown += on_shown
window.events.loaded += on_loaded
window.events.minimized += on_minimized
window.events.maximized += on_maximized
window.events.restored += on_restored
window.events.resized += on_resized
window.events.moved += on_moved
webview.start(debug=True)

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import webview
def open_file_dialog(window):
file_types = ('Image Files (*.bmp;*.jpg;*.gif)', 'All files (*.*)')
result = window.create_file_dialog(
webview.OPEN_DIALOG, allow_multiple=True, file_types=file_types
)
print(result)#result为文件的绝对路径
if __name__ == '__main__':
window = webview.create_window('Open file dialog example', 'https://pywebview.flowrl.com/hello')
webview.start(open_file_dialog, window)

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import webview
def save_file_dialog(window):
import time
time.sleep(5)
result = window.create_file_dialog(
webview.SAVE_DIALOG, directory='/', save_filename='test.file'
)
print(result)
if __name__ == '__main__':
window = webview.create_window('Save file dialog', 'https://pywebview.flowrl.com/hello')
webview.start(save_file_dialog, window)

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