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Month: February 2018

支付宝付款(python)

by admin/February 21, 2018July 22, 2018/python基础, 笔记

其实蚂蚁金服提供了开放平台的官方SDK,但是github仅有十几个star, 用的可以试一下 这是根据文档中请求字段和签名流程写的支付宝的SDK, 只有一个类, 用起来也算方便. 支付宝付款的整个过程参考付款结算的所有参数, 其中对请求字段的处理最困难与sign字段的签名以及回调url的验证上, 详见sign字段的签名过程. 付款源码(复制即用): from datetime import datetime from Crypto.PublicKey import RSA from Crypto.Signature import PKCS1_v1_5 from Crypto.Hash import SHA256 from base64 import b64encode, b64decode from urllib.parse import quote_plus from urllib.parse import urlparse, parse_qs from […]

vim: 显示树形目录插件NERDTree安装和常用指令

by admin/February 18, 2018July 19, 2018/其他, 常用备份, 笔记

一. 安装: 将压缩包内文件放入指定目录即可: 将plugin/NERD_tree.vim拷贝~/.vim/plugin, doc/NERD_tree.txt拷贝到~/.vim/doc. wget http://www.vim.org/scripts/download_script.php?src_id=17123 -O nerdtree.zip unzip nerdtree.zip mkdir -p ~/.vim/{plugin,doc} cp plugin/NERD_tree.vim ~/.vim/plugin/ cp doc/NERD_tree.txt ~/.vim/doc/ 二. 绑定快捷方式和其他常用快捷键 此时打开vim即可使用:NERDTree来显示属性目录结构 绑定快捷键f10: :map <F10> :NERDTreeToggle<CR> 切换工作台和目录: ctrl + w + h 光标 focus 左侧树形目录 ctrl + w + […]

调试工具ipdb

by admin/February 7, 2018July 19, 2018/python基础, 常用备份

由于vim没有pycharm的强大调试功能, 值得借助ipdb了. 安装: pip install ipdb 使用方式一: 直接在代码中插入断点: import ipdb # … ipdb.set_trace() # … 使用python your_file.py运行后, 程序会卡在打断点处, 并打开ipython. 使用方式二: 进行单步调试: python -m ipdb your_file.py 常用的指令: help,帮助 list 或 l,显示当前行的上下文 next 或 n,下一步(step over) step 或 s,进入函数内部(step in) p 或 […]

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