我使用包含 TextField 和 DateField 的烧瓶 wtforms 创建了一个表单。这是我的表单类:
class SubmitReportForm(Form):
projectName=TextField('Name of Project', [Required('Please enter name of the project')])
workDone=TextAreaField('work', [Required('Please state your progress')])
fromDate=DateField('fromDate', [Required('Please mention a start date')])
toDate=DateField('toDate', [Required('Please mention an end date')])
submit=SubmitField('Submit')
我处理这种形式的视图函数是:
@app.route('/user/<userName>/submit', methods=['GET', 'POST'])
@login_required
def submit(userName):
form=SubmitReportForm()
if request.method=='GET' :
return render_template("submit.html", userName=userName, form=form)
elif request.method =='POST' :
if form.is_submitted():
print 'submitted'
if form.validate():
print 'validated'
print form.errors
if form.validate_on_submit():
project=form.projectName.data
fromDate=form.fromDate.data
toDate=form.toDate.data
progress=form.workDone.data
report=writeToFile(current_user.userName, project, fromDate, toDate, progress)
recipient=['blah@blah.com']
subject="Monthly report by : " + current_user.userName
msg = Message(subject, sender =(current_user.userName, 'blah@blah.com'), recipients = recipient)
msg.body= "Please find the attached report by "+ current_user.userName
with app.open_resource(report.name) as fp:
msg.attach(report.name, "text/plain", fp.read())
mail.send(msg)
return render_template('successSubmit.html')
else:
flash(u'Please fill all the fields', 'error')
return render_template("submit.html", userName=userName, form=form)
现在,当我单击提交按钮时,form.validate_on_submit() 总是返回 false。经过一些调试,我发现表单已提交但未验证,因为即使在表单中输入日期后,form.fromDate.data 始终返回 None 类型的对象。
我的 HTML 文件:
{% extends 'base.html' %}
{% block content %}
{% with messages = get_flashed_messages() %}
{% if messages %}
{% for message in messages %}
<p><span style="color: red;">{{ message }}</span></p>
{% endfor %}
{% endif %}
{% endwith %}
<form action ='{{url_for('submit', userName=userName)}}' method='POST'>
{{form.hidden_tag()}}
<p>
Project Name: {{form.projectName}}
</p>
<br>
<p>
<label>Start Date : </label> {{form.fromDate}}
</p>
<br>
<p>
<label>End Date : </label> {{form.toDate}}
</p>
<br>
<p>
Progress Done: {{form.workDone(style="width: 699px; height: 297px;")}}
</p>
<br>
<p>
<input type='submit' value='Send Report'>
</p>
<br>
</form>
{% endblock %}
即使我使用 TextField 代替 DateFields,我也会得到一个空字符串。所以请告诉我我哪里错了??提前谢谢。