目录前言：一、方法一：virtualenv1.安装虚拟环境库 virtualenv2.创建虚拟环境二、方法二：virtualenvwrapper-win（推荐）（1）下载虚拟环境库 virtualenvwrapper-win（2）输入workon，检查是否安装成功。（3）创建虚
When I started to write the first SQL-Statements in my programs I felt quite comfortable with protecting myself against SQL-Injection with a very simple method that a colleague showed me. It replaced
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