1. jwt简介

http://www.ruanyifeng.com/blog/2018/07/json_web_token-tutorial.html

2.token生成

https://blog.****.net/hukaijun/article/details/80840253

3.token解析

网址解析

访问  https://www.jsonwebtoken.io/

代码解析

		<!-- jjwt解析 -->
		<dependency>
		    <groupId>io.jsonwebtoken</groupId>
		    <artifactId>jjwt</artifactId>
		    <version>0.9.0</version>
		</dependency>

		Claims claims = Jwts.parser().setSigningKey("sign-key".getBytes("utf-8")).parseClaimsJws("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX25hbWUiOiJhZG1pbiIsInNjb3BlIjpbImFsbCJdLCJjb21wYW55IjoidG9wbmV0IiwiZXhwIjoxNTUyNTQ5NTY3LCJhdXRob3JpdGllcyI6WyJhbGwiLCJST0xFX1VTRVIiXSwianRpIjoiMWE0YjY0ZDctNWM0Yi00ZDVjLTgxNzItNzQ1YzI5ZDk4YTYwIiwiY2xpZW50X2lkIjoiY2xpZW50MSJ9.e2YdLMCGx-Fr_jRglirxWoosAIbZTdNJcOWXPbmxkf0").getBody();
		String userName = (String) claims.get("user_name");
		String clientId = (String) claims.get("client_id");