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[英]When I use tornado web server, logs show this error. How can I resolve it?
[英]how tornado can be used to show error on frontend
這是網站聯系表格的python文件。 主要文件是獲取數據並將其發送到數據庫。
#main.py
class next(tornado.web.RequestHandler):
def get(self):
self.render("contact.html")
async def post(self):
form = contact(self.request.arguments)
name_ = form.data["name"]
phone_ = form.data["phone"]
email_ = form.data["email"]
message_ = form.data["message"]
image_ = form.data["pic"]
print(name_, phone_, email_, message_, image_)
try:
dbsend = TestModel.create(name=name_, phone=phone_, email=email_,message=message_,image=image_)
dbsend.save()
print('done')
self.render("contact.html")
except:
print('not done')
這是我認為所有驗證代碼都屬於的文件
from wtforms import *
from wtforms_tornado import Form
class contact(Form):
name= StringField('name',[validators.required()])
phone = StringField('phone', [validators.Length(min=4, message="too Short")])
email = StringField('email', [validators.Length(min=4, message="too Short")])
message = StringField('message', [validators.Length(min=4, message="too Short")])
pic = StringField('pic', [validators.Length(min=4, message="too Short")])
這是包含表單的HTML頁面。
<div class="row">
<div class="col-lg-8 mb-4">
<h3>Send us a Message</h3>
<form name="sent" action="/contact" method="post" id="cForm" >
<div class="control-group form-group">
<div class="controls">
<label>Full Name:</label>
<input type="text" name="name" >
<p class="help-block"></p>
</div>
</div>
<div class="control-group form-group">
<div class="controls">
<label>Phone Number:</label>
<input name="phone" >
</div>
</div>
<div class=" ">
<div class="">
<label>Email Address:</label>
<input name="email">
</div>
</div>
<div class="control-group form-group">
<div class="controls">
<label>Message:</label>
<textarea rows="10" cols="100" name="message" ></textarea>
</div>
</div>
<div class="control-group form-group">
<div class="controls">
<label>Image:</label>
<input type="file" name="pic" accept="image/*">
</div>
</div>
<div id="success"></div>
<!-- For success/fail messages -->
<button type="submit" class="btn btn-primary" id="sendMessageButton">Send Message</button>
</form>
</div>
如何在電子郵件電話等上進行驗證,並在前端顯示錯誤?
正如WTForms文檔所述, 您可以使用form-instance的validate()
方法來運行驗證器。 所有錯誤都將在form.errors
屬性中。 您可以使用模板引擎將錯誤消息插入HTML頁面。
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