python問題總結

python練習:爬取淘寶網商品、規格、評論信息存入數據庫,頁面支持簡單的搜索展示

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

成果展示:

image.png


python問題總結:

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

參考地址:

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三種字符串鏈接方式:

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



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

參考地址: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自帶cgi

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

加載文本,不執行腳本問題:https://blog.51cto.com/xpleaf/1740221  需要打開模塊



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


在腳本前加上如下兩句即可正常顯示中文。

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

腳本有問題哈



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

權限問題



12.python like語句的問題

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


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