python问题总结

python练习：爬取淘宝网商品、规格、评论信息存入数据库，页面支持简单的搜索展示

成果：https://github.com/PrettyPanda/MyTaoBao/tree/master

成果展示：

python问题总结：

1.UnicodeEncodeError：'latin-1' codec can't encode characters in position 0-1: ordinal not in range(256) Scrapy

参考地址：

https://www.cnblogs.com/Skrillex/p/7093488.html

https://blog.csdn.net/mayuko2012/article/details/59126290

https://blog.csdn.net/csdnwws/article/details/51954825

2.python三种字符串链接方式：

https://www.cnblogs.com/chenjingyi/p/5741901.html +  join  %替换

3.pymysql.err.InternalError: (1366, "Incorrect string value: '\\xE7\\xAC\\x94\\xE8\\xAE\\xB0...' for column 'title' at row 1")

参考地址：https://blog.csdn.net/u011242745/article/details/51660344

4.Python uuid的使用

https://www.cnblogs.com/dkblog/archive/2011/10/10/2205200.html

5.TypeError: not all arguments converted during string formatting

缺少%s、%d

6.TypeError: 'NoneType' object is not subscriptable

7.mac配置cgi

mac自带cgi

https://blog.csdn.net/zhzdeng/article/details/52608199

加载文本，不执行脚本问题：https://blog.51cto.com/xpleaf/1740221  需要打开模块

8.httpd 

https://blog.csdn.net/wangye1989_0226/article/details/72782103

9.UnicodeEncodeError: 'ascii' codec can't encode characters in position 20-24: ordinal not in range(128)

https://blog.csdn.net/love_rongrong/article/details/17119261  保存文件是得是中文

在脚本前加上如下两句即可正常显示中文。

https://blog.csdn.net/zhanyongjia_cnu/article/details/77996055

import codecs, sys 

sys.stdout = codecs.getwriter('utf8')(sys.stdout.buffer)

10.End of script output before headers

脚本有问题哈

11.Permission denied: AH01241: exec of '/Users/panda/PycharmProjects/untitled/test/web/cgi/first.py' failed

权限问题

12.python like语句的问题

https://blog.csdn.net/chenxiao_ji/article/details/51332791