from flask import render_template
from flask import Flask
from flask import Markup
from flask import abort, redirect
app = Flask(__name__)
@app.route('/')
def hello_site():
return "welcome my site!!!!!" #返回给客户端
@app.route('/hello')
@app.route('/hello/<name>')
def hello(name = None):
print (Markup('<strong> Hi %s!</strong>' %(name)))
return render_template('hello.html', name = Markup('%s'%(name))) #模板渲染在html文件中, Markup装换特殊字符!
if __name__ == "__main__":
app.run()
1.name变量在HTML文件中进行判断
hello.html如下:
<!DOCTYPE html>
<title>Hello from flask</title>
{%if name %}
<h1>Hello {{name}}!</h1>
{%else%}
<h1>Hello World!No name!</h1>
{%endif%}
条件语句判断!