0
@app.route('/sign/<error>')
def sign(error=''):
return render_template('sign.html',er=error)
@app.route('/process', methods=['POST','GET'])
def process():
ch = request.form['box']
if ch == 'ok':
name = request.form['name']
comment = request.form['comment']
signature = Comments(name=name, comment=comment)
db.session.add(signature)
db.session.commit()
return redirect(url_for('index'))
else :
er='please check'
return redirect(url_for('sign',error=er))
sign.html有这行代码 瓶:BuildError
<div style="color: red;">{{er}}</div>这是我所得到的 BuildError: Could not build url for endpoint 'sign'. Did you forget to specify values ['error']?
请[编辑]包括一个[MCVE。不要将文本输出作为图像发布,并将其作为文本发布。 – davidism