Python 烧瓶-获取值
我想从用户在搜索框中键入的内容中获取“name”和“size”值 但明显的问题是,我试图从Python 烧瓶-获取值,python,html,flask,request,url-for,Python,Html,Flask,Request,Url For,我想从用户在搜索框中键入的内容中获取“name”和“size”值 但明显的问题是,我试图从方法:“POST”hmtl表单中获取值。 我的html操作只引用了{url\u for('main')}}html,而不是要在{url\u for('search')}html中检索这些值的地方 以下是模板: import sqlite3 from flask import Flask,render_template, url_for, redirect, request app = Flask(__n
方法:“POST”
hmtl表单中获取值。
我的html操作只引用了{url\u for('main')}}
html,而不是要在{url\u for('search')}html中检索这些值的地方
以下是模板:
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':
name = request.form.get('name')
size = request.form.get('size')
return redirect(url_for('search'))
@app.route("/search/", methods=["GET", "POST"])
def search():
# Need to get the 'name' and 'search' values from input, so this way is incorrect.
name = request.args.get("name")
size = request.args.get("size")
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" >
<h1>Soccer Shoes Finder</h1>
<div class="line-separator"></div>
<div class="container-fluid">
<input name = "name" type="text" placeholder="Name"/>
<input name = "size" type="text" placeholder="Size"/>
<button class="glyphicon glyphicon-search" aria-hidden="true"></button>
</div>
</form>
{% endblock %}
{%extends“layout.html”%}
{%block content%}
足球鞋搜寻器
{%endblock%}
search.html:
{% extends "layout.html" %}
{% block content %}
<div class= "container">
<h2>Results:</h2>
<table class="table table-striped">
<thead>
<tr>
<th>url</th>
<th>Name</th>
<th>Prices</th>
<th>Sizes</th>
<th>Shoe Type</th>
</tr>
</thead>
<tbody>
{% for i in range(url|length) %}
<tr>
<td><a href={{url[i]}}>aa</td>
<td>{{names[i]}}</td>
<td>${{prices[i]}}</td>
<td>{{sizes[i]}}</td>
<td>{{shoe_type[i]}}</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% endblock %}
{%extends“layout.html”%}
{%block content%}
结果:
网址
名称
价格
尺寸
鞋型
{范围(url |长度)%}
aa
{{names[i]}
${{prices[i]}
{{size[i]}
{{shoe_type[i]}
{%endfor%}
{%endblock%}
有人知道我怎样才能做到这一点吗?希望我说的有道理。谢谢。简化您的主要路线,似乎没有理由在此处发布数据:
@app.route("/")
def main():
return render_template('main.html')
POST
通过在main.htmlJinja模板中更改此行,将数据直接发布到您的搜索端点:
<form action="{{ url_for('search') }}" class="form" method="POST">
假设您的数据库代码正常工作,其余部分应按预期工作谢谢。这很有效。可能是一个愚蠢的问题,但如果我删除了main.html中的
重定向
,它如何知道在单击搜索按钮时重定向到哪里?formaction
属性告诉main.html页面将表单直接提交到您的/search/function,我明白了。
@app.route("/search/", methods=["POST"])
def search():
name = request.form.get("name")
size = request.form.get("size")