我想写我的第一个GAE/Python应用程序,做以下三两件事:我的第一个谷歌应用程序引擎/ Python应用程序
- 显示一个表单,用户可以在大约自理输入详细信息(index.html的)
- 存储在数据存储提交的表单数据
- 检索形式(的index.html)
但是,所有上述结果来自数据存储的所有数据并显示,我收到以下错误
line 15, in MainPage 'people' : people NameError: name 'people' is not defined
有关如何解决此问题并让我的应用程序工作的任何建议将不胜感激!
main.py
import webapp2
import jinja2
import os
jinja_environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)))
class MainPage(webapp2.RequestHandler):
def get(self):
people_query = Person.all()
people = people_query.fetch(10)
template_values = {
'people': people
}
template = jinja_environment.get_template('index.html')
self.response.out.write(template.render(template_values))
# retrieve the submitted form data and store in datastore
class PeopleStore(webapp2.RequestHandler):
def post(self):
person = Person()
person.first_name = self.request.get('first_name')
person.last_name = self.request.get('last_name')
person.city = self.request.get('city')
person.birth_year = self.request.get('birth_year')
person.birth_year = self.request.get('height')
person.put()
# models a person class
class Person(db.Model):
first_name = db.StringProperty()
last_name = db.StringProperty()
city = db.StringProperty()
birth_year = db.IntegerProperty()
height = db.IntegerProperty()
app = webapp2.WSGIApplication([('/', MainPage),
('/new_person')], debug=True)
的index.html
<html>
<body>
{% for person in people %}
{% if person %}
<b>{{ person.first_name }}</b>
<b>{{ person.last_name }}</b>
<b>{{ person.city }}</b>
<b>{{ person.birth_year }}</b>
<b>{{ person.height }}</b>
<hr></hr>
{% else %}
No people found
{% endfor %}
<form action="/new_person" method="post">
<div><textarea name="first_name" rows="3" cols="60"></textarea></div>
<div><textarea name="last_name" rows="3" cols="60"></textarea></div>
<div><textarea name="city" rows="3" cols="60"></textarea></div>
<div><textarea name="birth_year" rows="3" cols="60"></textarea></div>
<div><textarea name="height" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Submit"></div>
</form>
</body>
</html>
的app.yaml
application: some_name
version: 1
runtime: python27
api_version: 1
threadsafe: true
handlers:
- url: /.*
script: main.app
libraries:
- name: jinja2
version: latest
EDIT 1 * main.py *
import webapp2
import jinja2
import os
from google.appengine.ext import db
jinja_environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)))
class MainPage(webapp2.RequestHandler):
def get(self):
people_query = Person.all()
people = people_query.fetch(10)
template_values = {
'people': people
}
template = jinja_environment.get_template('index.html')
self.response.out.write(template.render(template_values))
class PeopleStore(webapp2.RequestHandler):
def post(self):
person = Person()
person.first_name = self.request.get('first_name')
person.last_name = self.request.get('last_name')
person.city = self.request.get('city')
person.birth_year = self.request.get('birth_year')
person.height = self.request.get('height')
person.put()
class Person(db.Model):
first_name = db.StringProperty()
last_name = db.StringProperty()
city = db.StringProperty()
birth_year = db.IntegerProperty()
height = db.IntegerProperty()
app = webapp2.WSGIApplication([('/', MainPage),
('/new_person')], debug=True)
编辑2 * main.py *
固定此错误
以下编辑AttributeError: 'str' object has no attribute 'get_match_routes'
app = webapp2.WSGIApplication([('/', MainPage),('/new_person',PeopleStore)], debug=True)
好大,形式显示在浏览器,但是当我提交了数据,我得到这个错误:
BadValueError: Property birth_year must be an int or long, not a unicode
编辑3 main.py
person.birth_year = int(self.request.get('birth_year'))
person.height = int(self.request.get('height'))
解决了此错误:
badvalueerror property must be an int or long, not a unicode
好吧,目前为止还不错。数据存储在数据存储中。然而,我的页面空白...
丹尼尔回答你的问题的工作,但我只是注意到你在样本中设置了两次'birth_year';一旦出生那一年,第二次被它的身高覆盖。 – 2013-03-20 21:08:42
+1 ohhh谢谢!我将在上面的编辑1中修复它。 – Anthony 2013-03-20 21:10:33
缩进错误已解决。但是,我收到另一个错误:AttributeError:'str'对象没有属性'get_match_routes'。这是否与app.yaml文件中缺少路线有关? – Anthony 2013-03-20 21:17:47