2020-01-02 11:46:54
浏览数 (3)
- 引入依赖
代码语言:javascript
复制 <dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.6.0</version>
</dependency>
- 代码示例
代码语言:javascript
复制package com.simple.util.jwt;
import com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm;
import org.springframework.boot.context.properties.ConfigurationProperties;
import java.util.Date;
import java.util.Map;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
/**
* @program: simple_tools
* @description:
* @author: ChenWenLong
* @create: 2019-12-29 16:41
**/
@ConfigurationProperties("jwt.config")
public class JwtUtils {
//签名私钥
private String key;
//签名的失效时间
private Long ttl;
/**
* 设置认证token
* id:登录用户id
* subject:登录用户名
*
*/
public String createJwt(String id, String name, Map<String,Object> map) {
//1.设置失效时间
long now = System.currentTimeMillis();//当前毫秒
long exp = now ttl;
//2.创建jwtBuilder
JwtBuilder jwtBuilder = Jwts.builder().setId(id).setSubject(name)
.setIssuedAt(new Date())
.signWith(SignatureAlgorithm.HS256, key);
//3.根据map设置claims
for(Map.Entry<String,Object> entry : map.entrySet()) {
jwtBuilder.claim(entry.getKey(),entry.getValue());
}
jwtBuilder.setExpiration(new Date(exp));
//4.创建token
String token = jwtBuilder.compact();
return token;
}
/**
* 解析token字符串获取clamis
*/
public Claims parseJwt(String token) {
Claims claims = Jwts.parser().setSigningKey(key).parseClaimsJws(token).getBody();
return claims;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public Long getTtl() {
return ttl;
}
public void setTtl(Long ttl) {
this.ttl = ttl;
}
}