关于flaks模板渲染的问题，flask-bootstrap的使用

Question

jinja2.exceptions.TemplateNotFound: bootstrap/base.html
下面是python 代码部分：
from flask import Flask,render_template
from flask_script import Manager
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from flask_wtf import Form
from wtforms import StringField,SubmitField
from wtforms.validators import Required

app=Flask(__name__)
manager=Manager(app)
bootstrap=Bootstrap(app)
moment=Moment(app)
app=Flask(__name__)
app.config['SECRET_KEY']='hard to guess string'

表单

class NameForm(Form):

name=StringField('What is your name?',validators=[Required()])
submit=SubmitField('submit')

@app.route('/',methods=['GET','POST'])
def index():

name=None
form=NameForm()
if form.validate_on_submit():
    name=form.name.data
    form.name.data=''
return render_template('index.html',form=form,name=name)

模板部分
{% extends "base.html" %}

{% import "bootstrap/wtf.html" as wtf %}

{% block title %}Flasky{% endblock %}

{%block page_content%}
<div class="page-content">

<h1>Hello,{%if name%}{{name}}{%else%}Stringer{%endif%}!</h1>

</div>
{{wtf.quick_form(form)}}
{%endblock%}
报错

Answer 1

app=Flask(__name__)
manager=Manager(app)
bootstrap=Bootstrap(app)
moment=Moment(app)
app=Flask(__name__) # 去掉这一行
app.config['SECRET_KEY']='hard to guess string'

去掉第二个 app=Flask(__name__)试试。

Answer 2

你是不是忘了bootstrap.init_app(app)