Flask notes: 3: Templates

The current directory structure:MyBlog|----Flask|----TMP|----App|----static|----Templates|----__init__.py|----views.py|----run.py
writing the first templateapp/templates/index.html

{{....}} is a variable in{%....%} expressiondata is dynamically fetched from the view template
Modify a view template app/views.py
From flask import render_templatefrom app import App@app.route ('/') @app. Route ('/index ') def index ():    user={' Nickname ': ' Bob '}    return Render_template ("index.html",    title= "Home",    user=user) #从flask导入render_ Template#render_template (HTML file, variable to pass data)


the template's judgment statementModify App/templates/index.html


If you delete the title parameter in the Render_template () function in app/views.pythe title in the browser will become Welcome-myblog
looping statements for templatesModify app/views.py
From flask import render_templatefrom app import App@app.route ('/') @app. Route ('/index ') def index ():    user={' Nickname ': ' Bob '}    posts=[            {' author ': {' nickname ': ' John '},             ' body ': ' Beautiful day in Portland! '},            {' Author ': {' nickname ': ' Susan '},             ' body ': ' The Avengers movie is so cool! '}           ]    Return Render_template ("index.html",    title= "Home",    User=user,    posts=posts)


Modify App/templates/index.html


Display:

Template InheritanceA fixed branch of a template appears in many templates several times, and we can make templates individually and then inherit from the template we need
Add a navigation bar templateapp/templates/base.html


{%block content%}{%endblock%}between the two expressions is where the new template can be inserted
Modify App/templates/index.html
{% extends "base.html"%} {% block content%}


{%extends page%} This is an inheritance template{%block content%}{%endblock%}between the two expressions is where the content can be inserted
Display:

index.html more base.html content
Flask notes: 3: Templates