![](/img/trans.png)
[英]flask.jsonify returns array with square brackets instead of curly brackets
[英]Flask jsonify returns bytes and string instead of json object
在 Postman post_new_cafe 打印 json ,但是当我想在控制台和网页中打印它时,它的打印方式不同。 请参见下面的示例。
@app.route('/add_form', methods=['GET', 'POST'])
def add_new_cafe_form():
form = CafeForm()
if form.validate_on_submit():
response = post_new_cafe()
print(response)
return render_template("add.html", form=form)
这打印出来
<响应 52 字节 [200 OK]>
和
@app.route('/add_form', methods=['GET', 'POST'])
def add_new_cafe_form():
form = CafeForm()
if form.validate_on_submit():
response = post_new_cafe()
print(response.response)
return render_template("add.html", form=form)
打印出来
[b'{\n "success": "成功添加新咖啡馆。"\n}\n']
和这个
@app.route('/add_form', methods=['GET', 'POST'])
def add_new_cafe_form():
form = CafeForm()
if form.validate_on_submit():
response = post_new_cafe()
print(response.json())
return render_template("add.html", form=form)
给出错误
类型错误:'dict' object 不可调用
这是返回 jsonify 的 function
# # HTTP POST - Create Record
@app.route('/add', methods=['POST'])
def post_new_cafe():
new_cafe = Cafe(
name=request.form.get('name'),
map_url=request.form.get('map_url'),
img_url=request.form.get('img_url'),
location=request.form.get('location'),
seats=request.form.get('seats'),
has_toilet=bool(strtobool(request.form.get('has_toilet'))),
has_wifi=bool(strtobool(request.form.get('has_wifi'))),
has_sockets=bool(strtobool(request.form.get('has_sockets'))),
can_take_calls=bool(strtobool(request.form.get('can_take_calls'))),
coffee_price=request.form.get('coffee_price')
)
# db.session.add(new_cafe)
# db.session.commit()
return jsonify(success="Successfully added the new cafe.")
我试过这个
resp = Response(response={"success":"Successfully added the new cafe."},
status=200,
mimetype="application/json")
return jsonify(resp)
它不起作用,我也尝试过使用 make_response 仍然没有。
我想要的是当我将 post_new_cafe() 存储到响应变量中时
response = post_new_cafe()
data = response.json()
print(data)
{"success": "成功添加新咖啡馆。"}
print(data["success"])
成功添加新咖啡厅。
嘿,您可以使用 json 库解决此问题。
例子:
import json
def post_new_cafe():
new_cafe = Cafe(
name=request.form.get('name'),
map_url=request.form.get('map_url'),
img_url=request.form.get('img_url'),
location=request.form.get('location'),
seats=request.form.get('seats'),
has_toilet=bool(strtobool(request.form.get('has_toilet'))),
has_wifi=bool(strtobool(request.form.get('has_wifi'))),
has_sockets=bool(strtobool(request.form.get('has_sockets'))),
can_take_calls=bool(strtobool(request.form.get('can_take_calls'))),
coffee_price=request.form.get('coffee_price')
)
return json.dumps({"success": "Succesfully added the new cafe."})
response = post_new_cafe()
data = json.loads(response)
print(data)
print(data["success"])
有关更多信息,请查看有关 JSON 的文档
如果您需要序列化 numpy 数组,有一个关于如何将 numpy 数组序列化为 JSON的问题
关于你的另一个问题:
@app.route('/add_form', methods=['GET', 'POST'])
def add_new_cafe_form():
form = CafeForm()
if form.validate_on_submit():
response = post_new_cafe()
print(response.json())
return render_template("add.html", form=form)
您需要先将响应从二进制转换为字符串: response.decode('utf-8')
然后将其解析为 JSON: json.loads(response.decode('utf-8'))
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.