![](/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 ,但是當我想在控制台和網頁中打印它時,它的打印方式不同。 請參見下面的示例。
@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)
這打印出來
<響應 52 字節 [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)
打印出來
[b'{\n "success": "成功添加新咖啡館。"\n}\n']
和這個
@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)
給出錯誤
類型錯誤:'dict' object 不可調用
這是返回 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.")
我試過這個
resp = Response(response={"success":"Successfully added the new cafe."},
status=200,
mimetype="application/json")
return jsonify(resp)
它不起作用,我也嘗試過使用 make_response 仍然沒有。
我想要的是當我將 post_new_cafe() 存儲到響應變量中時
response = post_new_cafe()
data = response.json()
print(data)
{"success": "成功添加新咖啡館。"}
print(data["success"])
成功添加新咖啡廳。
嘿,您可以使用 json 庫解決此問題。
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"])
有關更多信息,請查看有關 JSON 的文檔
如果您需要序列化 numpy 數組,有一個關於如何將 numpy 數組序列化為 JSON的問題
關於你的另一個問題:
@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)
您需要先將響應從二進制轉換為字符串: response.decode('utf-8')
然后將其解析為 JSON: json.loads(response.decode('utf-8'))
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.