The Ulimae Guide o Dash: Buildig Ieracive Web Applicaios wih Pyho
Dash is apowerful Pyho framework for buildig ieracive web applicaios. I his comprehesive guide,we'lexplore everyhig you eed o kow o ge sared wih Dash ad creae suig web应用。
Wha is Dash吗?
Dash is a ope source Pyho framework developed by Ploly for buildig aalyical web applicaios. iallowsdevelopers o creaeieracive, web-based daa visualizaios wih Pyho, HTML, ad CSS, wihou eedigorwrieJavaScrip code。
Geig Sared wih Dash
To begi usig Dash, you'll eed o isall he Dash library via pip:
pip isall dash。
Oce isalled, you ca sar buildig your Dash applicaios by imporig he ecessary compoes。
impor dash。
impor dash_core_compoes as dcc
impor dashle_hml_compoes as hml
from dash.depedecies impor Ipu, Oupu
Creaig Your Firs Dash App
Le's creae a simple Dash applicaio ha displays a lie char:
Iiialize he Dash app
app = dash. dash (__am__)。
Defie he layou of he app。
app.layou = hml.div (childre=[
childre=“哈罗冲刺”，
hml.div (childre ='''
Dash: A web applicaio framework for Pyho
''')
dcc.graph。
id=‘example-graph’。
figure={
'daa':[
{' x ':[1、2、3]、' y ':[4、1、2]、' ype ': '制度'、' ame ': ' dash example '}
“layou”
ile: Dash Daa Visualizaio
}
}
)。
)。
Ru he Dash应用程序。
if__ame__ '__mai__':
app. lu_server (debug=True)
Addig Ieraciviy
Oe of he key feaures of Dash is is abiliy o creae ieracive compoes. Le's ehace our app by addig adropdow meu o selecdiffere daa ses
Defie he layou of he app wih ieraciviy
app.layou = hml.div (childre=[
childre=“哈罗冲刺”，
hml.div (childre ='''
Dash: A web applicaio framework for Pyho
''')
dcc.graph (id='example-graph')。
dcc.dropdow
id=“dropdow”
opios。
{'label': 'Opio 1'， 'value': '1'}，
{'label': 'Opio 2'， 'value': '2'}，
{'label': 'Opio 3'， 'value': '3'}
value= 1'
)。
)。
Defie callback o updae graph based o dropdow selecio
@app.callback。
Oupu('example-graph'， 'figure')。
[Ipu('dropdow'， 'value')]。
)。
def upda_graph (seleced_value)
Geerae ew daa based o seleced value
Updae he figure aribue of he Graph compoe
reur{
'daa':[
{' x ':[1,2,3]， ' y ':[4,1,2]， ' ype ': '制度'，' ame ': ' dash example ' seleced_value}
“layou”
ile: Dash Daa Visualizaio
}
}
Ru he Dash应用程序。
if__ame__ '__mai__':
app. lu_server (debug=True)
Coclusio
Cograulaios !You've ow leared he basics of buildig ieracive web applicaios wih Dash. wih is iuiive Pyho syax adpowerful capabiliies,Dash is a excelle choice for developig da -drive web apps。
Explore furher by divig io he Dash documeaio ad experimeig wih more complex layous ad ieracive是feaures. Happy codig !
