Python的Django框架入门踩过的坑（十）

这是因为空字符串转int类型报错，所以转前，先判断数据是否为非空的数字字符串
ValueError at /user/info/
invalid literal for int() with base 10: ''
Request Method: GET
Request URL: http://127.0.0.1:8000/user/info/
Django Version: 1.8.2
Exception Type: ValueError
Exception Value:
invalid literal for int() with base 10: ''
Exception Location: /home/python/Desktop/django/dailyfresh1/dailyfresh/df_user/views.py in info, line 95
Python Executable: /home/python/.virtualenvs/h1/bin/python
Python Version: 2.7.12
Python Path:
['/home/python/Desktop/django/dailyfresh1/dailyfresh',
 '/home/python/.virtualenvs/h1/lib/python2.7',
 '/home/python/.virtualenvs/h1/lib/python2.7/plat-x86_64-linux-gnu',
 '/home/python/.virtualenvs/h1/lib/python2.7/lib-tk',
 '/home/python/.virtualenvs/h1/lib/python2.7/lib-old',
 '/home/python/.virtualenvs/h1/lib/python2.7/lib-dynload',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-x86_64-linux-gnu',
 '/usr/lib/python2.7/lib-tk',
 '/home/python/.virtualenvs/h1/local/lib/python2.7/site-packages',
 '/home/python/.virtualenvs/h1/lib/python2.7/site-packages']
Server time: 星期日, 8 四月 2018 17:25:20 +0800