目录实现逻辑前后端交互接口前端代码后端代码实现逻辑 1、后端功能：随机生成验证码图片，并把交给前端、接收用户输入，验证用户输入的验证码是否正确、
I have some xml that I want to process using xslt.A good amount of the data comes through in key value pairs (see below).I am struggling with how to extract the value base on the key into a variable.I
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