python表单验证wtf_python–FlaskWTF–validate_on_submit()从不执行

您没有在HTML表单中插入CSRF字段。

{{ form.csrf_token }}

{{ form.name }}

将form.csrf_token添加到模板(docs)后&＃xff0c;窗体将按预期验证。

验证表单后&＃xff0c;添加print(form.errors)以查看提出的错误。验证前错误将为空。在这种情况下&＃xff0c;有一个错误

&＃64;book.route(&＃39;/book/new_no_csrf&＃39;, methods&＃61;[&＃39;GET&＃39;, &＃39;POST&＃39;])

def customers_new_no_csrf():

form &＃61; BookNewForm()

print(form.errors)

if form.is_submitted():

print "submitted"

if form.validate():

print "valid"

print(form.errors)

if form.validate_on_submit():

flash("Successfully created a new book")

return redirect(url_for(&＃39;.books_show&＃39;))

return render_template(&＃39;books_new.html&＃39;, form&＃61;form)

{}

submitted

{&＃39;csrf_token&＃39;: [u&＃39;CSRF token missing&＃39;]}

127.0.0.1 - - [29/May/2012 02:01:08] "POST /book/new_no_csrf HTTP/1.1" 200 -

127.0.0.1 - - [29/May/2012 02:01:08] "GET /favicon.ico HTTP/1.1" 404 -