@SpringBootApplication
public class SecurityApplication {
  public static void main(String[] args) {
        SpringApplication.run(SecurityApplication.class,args);
    }
}

@RestController
public class HelloController {

    @RequestMapping("/hello")
    public String hello(){
        return "hello";
    }
}

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

<!--redis依赖-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<!--fastjson依赖-->
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.33</version>
</dependency>
<!--jwt依赖-->
<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt</artifactId>
    <version>0.9.0</version>
</dependency>

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import com.alibaba.fastjson.parser.ParserConfig;
import org.springframework.util.Assert;
import java.nio.charset.Charset;

/**
 * Redis使用FastJson序列化
 */
public class FastJsonRedisSerializer<T> implements RedisSerializer<T>
{

    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");

    private Class<T> clazz;

    static
    {
        ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
    }

    public FastJsonRedisSerializer(Class<T> clazz)
    {
        super();
        this.clazz = clazz;
    }

    @Override
    public byte[] serialize(T t) throws SerializationException
    {
        if (t == null)
        {
            return new byte[0];
        }
        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
    }

    @Override
    public T deserialize(byte[] bytes) throws SerializationException
    {
        if (bytes == null || bytes.length <= 0)
        {
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);

        return JSON.parseObject(str, clazz);
    }


    protected JavaType getJavaType(Class<?> clazz)
    {
        return TypeFactory.defaultInstance().constructType(clazz);
    }
}

import lombok.Data;

import java.io.Serializable;

/**
 * @desc BaseResult 响应对象
 */
@Data
public class BaseResult<T> implements Serializable {

    private static final long serialVersionUID = -4151233557950079315L;

    private static final int SUCCESS_CODE = 200;

    private static final String SUCCESS_MESSAGE = "ok";

    //  响应码
    private int status;

    //  响应消息
    private String message;

    //  响应数据
    private T data;

    public BaseResult(int status, String message, T data) {
        this.status = status;
        this.message = message;
        this.data = data;
    }

    public BaseResult() {
        this(SUCCESS_CODE, SUCCESS_MESSAGE);
    }

    public BaseResult(int code, String msg) {
        this(code, msg, null);
    }

    public BaseResult(T data) {
        this(SUCCESS_CODE, SUCCESS_MESSAGE, data);
    }

    public static <T> BaseResult<T> success() {
        return new BaseResult<>();
    }

    public static <T> BaseResult<T> success(T data) {
        return new BaseResult<>(data);
    }

    public static <T> BaseResult<T> build(int code, String msg) {
        return new BaseResult<>(code, msg, null);
    }
}

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;

import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;
import java.util.Date;
import java.util.UUID;

/**
 * JWT工具类
 */
public class JwtUtil {

    //有效期为
    public static final Long JWT_TTL = 60 * 60 *1000L;// 60 * 60 *1000  一个小时
    //设置秘钥明文
    public static final String JWT_KEY = "sangeng";

    public static String getUUID(){
        String token = UUID.randomUUID().toString().replaceAll("-", "");
        return token;
    }
    
    /**
     * 生成jtw
     * @param subject token中要存放的数据（json格式）
     * @return
     */
    public static String createJWT(String subject) {
        JwtBuilder builder = getJwtBuilder(subject, null, getUUID());// 设置过期时间
        return builder.compact();
    }

    /**
     * 生成jtw
     * @param subject token中要存放的数据（json格式）
     * @param ttlMillis token超时时间
     * @return
     */
    public static String createJWT(String subject, Long ttlMillis) {
        JwtBuilder builder = getJwtBuilder(subject, ttlMillis, getUUID());// 设置过期时间
        return builder.compact();
    }

    private static JwtBuilder getJwtBuilder(String subject, Long ttlMillis, String uuid) {
        SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
        SecretKey secretKey = generalKey();
        long nowMillis = System.currentTimeMillis();
        Date now = new Date(nowMillis);
        if(ttlMillis==null){
            ttlMillis=JwtUtil.JWT_TTL;
        }
        long expMillis = nowMillis + ttlMillis;
        Date expDate = new Date(expMillis);
        return Jwts.builder()
                .setId(uuid)              //唯一的ID
                .setSubject(subject)   // 主题  可以是JSON数据
                .setIssuer("snow")     // 签发者
                .setIssuedAt(now)      // 签发时间
                .signWith(signatureAlgorithm, secretKey) //使用HS256对称加密算法签名, 第二个参数为秘钥
                .setExpiration(expDate);
    }

    /**
     * 创建token
     * @param id
     * @param subject
     * @param ttlMillis
     * @return
     */
    public static String createJWT(String id, String subject, Long ttlMillis) {
        JwtBuilder builder = getJwtBuilder(subject, ttlMillis, id);// 设置过期时间
        return builder.compact();
    }


    /**
     * 生成加密后的秘钥 secretKey
     * @return
     */
    public static SecretKey generalKey() {
        byte[] encodedKey = Base64.getDecoder().decode(JwtUtil.JWT_KEY);
        SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
        return key;
    }
    
    /**
     * 解析
     *
     * @param jwt
     * @return
     * @throws Exception
     */
    public static Claims parseJWT(String jwt) throws Exception {
        SecretKey secretKey = generalKey();
        return Jwts.parser()
                .setSigningKey(secretKey)
                .parseClaimsJws(jwt)
                .getBody();
    }


}

import java.io.Serializable;
import java.util.Date;


/**
 * 用户表(User)实体类
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
public class User implements Serializable {
    private static final long serialVersionUID = -40356785423868312L;
    
    /**
    * 主键
    */
    private Long id;
    /**
    * 用户名
    */
    private String userName;
    /**
    * 昵称
    */
    private String nickName;
    /**
    * 密码
    */
    private String password;
    /**
    * 账号状态（0正常 1停用）
    */
    private String status;
    /**
    * 邮箱
    */
    private String email;
    /**
    * 手机号
    */
    private String phonenumber;
    /**
    * 用户性别（0男，1女，2未知）
    */
    private String sex;
    /**
    * 头像
    */
    private String avatar;
    /**
    * 用户类型（0管理员，1普通用户）
    */
    private String userType;
    /**
    * 创建人的用户id
    */
    private Long createBy;
    /**
    * 创建时间
    */
    private Date createTime;
    /**
    * 更新人
    */
    private Long updateBy;
    /**
    * 更新时间
    */
    private Date updateTime;
    /**
    * 删除标志（0代表未删除，1代表已删除）
    */
    private Integer delFlag;
}