我需要完成这个网站的就是让它抓住n and s来自输入的值。
但是执行时request.get.args每次都返回 None
这是代码：
my_website.py:
import sqlite3
from flask import Flask,render_template, url_for, redirect, request
app = Flask(__name__)
conn = sqlite3.connect('shoes.db', check_same_thread=False)
c = conn.cursor()
@app.route("/", methods=["GET", "POST"])
def main():
if request.method == 'GET':
return render_template('main.html')
elif request.method == 'POST':
return redirect(url_for('search'))
@app.route("/search/", methods=["GET", "POST"])
def search():
if not request.args.get("n"):
raise RuntimeError("missing n")
if not request.args.get("s"):
raise RuntimeError("missing s")
name = request.args.get('n')
size = request.args.get('s')
c.execute("SELECT * FROM shoes WHERE name LIKE ? AND sizes LIKE ? ORDER BY price",
('%'+name+'%','%'+size+'%'))
p = c.fetchall()
url = [p[i][0] for i in range(len(p))]
names = [p[i][1] for i in range(len(p))]
prices = [p[i][2] for i in range(len(p))]
sizes = [p[i][3] for i in range(len(p))]
shoe_type = [p[i][4] for i in range(len(p))]
return render_template('search.html' , url=url, names=names, prices=prices,
sizes=sizes, shoe_type=shoe_type)
if __name__ == '__main__':
app.run(debug=True)
main.html:
{% extends "layout.html" %}
{% block content %}
<form action = "{{ url_for('main') }}" class="form" method = "POST" >
<div>
<h1>Soccer Shoes Finder</h1>
<div class="line-separator"></div>
<div>
<div class="container-fluid">
<input name = "n" type="text" placeholder="Name"/>
<input name = "s" type="text" placeholder="Size"/>
<button class="glyphicon glyphicon-search" aria-hidden="true"></button>
</div>
</div>
</form>
{% endblock %}
这是我收到的错误：
RuntimeError: missing n
任何意见，将不胜感激。
谢谢。
