Python 赋值前引用的局部变量“post”-flask
我试图用Flask创建一个post请求,但一直出现这样的错误:赋值前引用了局部变量“post”。我见过很多这样的问题,但我似乎找不到正确的答案。这可能是个容易犯的错误,但我对烧瓶还不熟悉。谢谢Python 赋值前引用的局部变量“post”-flask,python,flask,Python,Flask,我试图用Flask创建一个post请求,但一直出现这样的错误:赋值前引用了局部变量“post”。我见过很多这样的问题,但我似乎找不到正确的答案。这可能是个容易犯的错误,但我对烧瓶还不熟悉。谢谢 from flask import Flask, request, url_for from flask import redirect, jsonify from db.db import BlogPost from db import db application = Flask(__name__)
from flask import Flask, request, url_for
from flask import redirect, jsonify
from db.db import BlogPost
from db import db
application = Flask(__name__)
db.init()
@application.route('/')
def apiRedirect():
return redirect('/blogs')
@application.route('/blogs')
def getBlogs():
blogs = BlogPost.objects()
blogsarr = []
for blog in blogs:
blogsarr.append(blog.to_mongo())
return jsonify(blogsarr)
@application.route('/blogs/create', methods=['GET','POST'])
def createBlog():
if request.method == 'POST':
author = request.form['author']
date = request.form['date']
content = request.form['content']
post = BlogPost(author=author, date=date,content=content)
post.save()
return "Posted"
return jsonify(post.author, post.date, post.content)
在createBlog方法中,仅当request.method==“post”时,才会创建post对象。但是当方法是GET时,它将不会被创建。因此,您将点击赋值前引用的错误局部变量“post”,当他创建post对象时,他不会返回它,因为他会返回post。