WTForms日期时间字段的时间没有更新
问题描述:
我为如下时间字段定义wtforms:WTForms日期时间字段的时间没有更新
stime = DateTimeField(label='Start time',validators=[validators.InputRequired()],format = "%d%b%Y %H:%M",default= datetime.now(timezone('UTC')))
etime = DateTimeField(label='End time',validators=[validators.InputRequired()],format = "%d%b%Y %H:%M",default= datetime.now(timezone('UTC')))
在HTML页面调用下面这个字段:
<form method= POST action="{{ url_for('input_ext') }}">
<table>
{% for field in form %}
<tr>
<td>{{ field.label }}*</td><td>{{ field }}</td>
</tr>
{% endfor %}
</table>
<input id = "generate" name="generate" type=submit value=Next></form>
瓶代码:
from flask import Flask
from flask import render_template
from flask import request
from model import InputForm
app = Flask(__name__)
@app.route('/',methods = ['GET','POST'])
#select interface and for selected interfaces pullup circuit info
def provideinput():
global devices
devices = ''
form = InputForm(request.form)
return render_template("utctime.html", form=form)
if __name__ == "__main__":
app.run(debug=True,host="10.23.102.116",port=82)
问题是,我得到UTC的时间,并没有更新到当前UTC值,只要我重新加载page.It保持相同我开始运行Python代码。 定义DateTimeField有什么错误?
为如下,仍然没有运气:
stime = DateTimeField(label='Start time(EDT)', validators=[validators.InputRequired()], format="%d%b%Y %H:%M",
default=datetime.today)
etime = DateTimeField(label='End time(EDT)', validators=[validators.InputRequired()], format="%d%b%Y %H:%M",
default=datetime.today)
答
答案是wtforms+flask today's date as a default value
有人援引这点。我不好,我在错误的地方编辑。
更改为:
stime = DateTimeField(label='Start time(EDT)',validators=[validators.InputRequired()],format = "%d%b%Y %H:%M",default= datetime.utcnow)
etime = DateTimeField(label='End time(EDT)',validators=[validators.InputRequired()],format = "%d%b%Y %H:%M",default= datetime.utcnow)
ETIME = DateTimeField字段(标记= '结束时间(EDT)',验证器= [validators.InputRequired()],格式=“%d%B%Y%H:% M“, 默认值= datetime.today) - >像这样仍然是相同的没有改变后重新加载 – ajay