ersions/env381/lib/python3.8/site-packages/django/db/models/query.py", line 57, in __iter__
    results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
  File "/root/.pyenv/versions/env381/lib/python3.8/site-packages/django/db/models/sql/compiler.py&quo

STATIC_URL = '/static/'

>>> from cost_app.models import AllMonthReport
>>> from django.core.serializers import serialize
>>> all_amount = AllMonthReport.objects.all().order_by('-month', 'item')
>>> json_data = serialize(&#

# 导入常见的聚合函数 SUM, AVG, COUNT, MAX, MIN
python3.8 manage.py shell
>>> from cost_app.models import MonthCost
>>> from django.db.models import Sum, Avg, Count, Max, Min
>>> amount = MonthCost.objects.filter(account__id=8).aggregate(Sum('Payment

# 修改前
def main():
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dj_test.settings')
    try:
        from django.core.management import execute_from_command_line
    except ImportError as

EMAIL_HOST = 'smtp.exmail.qq.com'  # 邮件服务器
EMAIL_HOST_USER = 'xxx@xxx.com'  # 用户名
EMAIL_HOST_PASSWORD = 'xxxxxx'  # **密码，这里要用到授权码才行！**
EMAIL_HOST_TLS = False  # 是否加密

# _*_ coding:utf8 _*_
from django.core.mail import send_mail


class SendMail:
   

# Logging 配置
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'standard': {
            'format': '[%(levelname)s][%(asctime)s][%(filename)s][%(funcName)s][%(lineno)d]> %(message)s&