# -*- coding: utf-8 -*-
import shelve
from datetime import datetime
from flask import Flask, render_template, redirect, request, escape, Markup
app = Flask(__name__)
DATA_FILE = 'message'
def save_data(name, comment, create_at):
"""保存提交的数据"""
database = shelve.open(DATA_FILE)
if 'message_list' not in database:
message_list = []
else:
message_list = database['message_list']
message_list.insert(0, {
'name': name,
'comment': comment,
'create_at': create_at,
})
database['message_list'] = message_list
database.close()
def load_data():
"""返回已提交的数据"""
database = shelve.open(DATA_FILE)
message_list = database.get('message_list', [])
database.close()
return message_list
def post():
"""用于提交评论的URL"""
name = request.form.get('name')
comment = request.form.get('comment')
create_at = datetime.now()
save_data(name, comment, create_at)
return redirect('/')
@app.route('/')
def index():
message_list = load_data()
return render_template('index.html', message_list=message_list)
@app.template_filter('nl2br')
def nl2br_filter(s):
return escape(s).replace("\n", Markup('<br>'))
@app.template_filter('datetime_fmt')
def datetime_fmt_filter(dt):
return dt.strftime('%Y-%m-%d %H:%M:%S')
if __name__ == '__main__':
app.run('127.0.0.1', 8001, debug=True)
{% for message in message_list %}
<h3>{{ message.name }} 的消息 ({{ message.create_at | datetime_fmt }}):</h3>
<p>
{{ message.comment | nl2br }}<p>
</p>
{% endfor %}
執行程式錯誤提示:
UnicodeDecodeError
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 16: ordinal not in range(128)
就是有中文的這一行出錯了,請問怎麼處理呢
怪我咯2017-06-14 10:54:27
報錯應該是你python
程序那邊報吧, 試下把你python那邊的中文編碼處理下, 或者試下全部用unicode
吧, 參考下面:
with open('test_%s.html' % date, 'w') as f:
f.write(a.render(
{
'date': date,
'total': 30,
'title': u'报告' % date,
u'project_list': project_info
}).encode('utf8')
)