生成token存入redis

生成token存入redis

package com.mayikt.core.token;

import com.mayikt.core.utils.RedisUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.UUID;

@Component
public class GenerateToken {
	@Autowired
	private RedisUtil redisUtil;

	/**
	 * 生成令牌
	 *
	 * @param prefix
	 *            令牌key前缀
	 * @param redisValue
	 *            redis存放的值
	 * @return 返回token
	 */
	public String createToken(String keyPrefix, String redisValue) {
		return createToken(keyPrefix, redisValue, null);
	}

	/**
	 * 生成令牌
	 * 
	 * @param prefix
	 *            令牌key前缀
	 * @param redisValue
	 *            redis存放的值
	 * @param time
	 *            有效期
	 * @return 返回token
	 */
	public String createToken(String keyPrefix, String redisValue, Long time) {
		if (StringUtils.isEmpty(redisValue)) {
			new Exception("redisValue Not nul");
		}
		String token = keyPrefix + UUID.randomUUID().toString().replace("-", "");
		redisUtil.setString(token, redisValue, time);
		return token;
	}

	/**
	 * 根据token获取redis中的value值
	 * 
	 * @param token
	 * @return
	 */
	public String getToken(String token) {
		if (StringUtils.isEmpty(token)) {
			return null;
		}
		String value = redisUtil.getString(token);
		return value;
	}

	/**
	 * 移除token
	 * 
	 * @param token
	 * @return
	 */
	public Boolean removeToken(String token) {
		if (StringUtils.isEmpty(token)) {
			return null;
		}
		return redisUtil.delKey(token);

	}

}

package com.jm.utils;

import java.util.List;
import java.util.concurrent.TimeUnit;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;

@Component
public class RedisUtil {
	@Autowired
	private StringRedisTemplate stringRedisTemplate;

	/**
	 * 存放string类型
	 * 
	 * @param key
	 *            key
	 * @param data
	 *            数据
	 * @param timeout
	 *            超时间
	 */
	public void setString(String key, String data, Long timeout) {
		stringRedisTemplate.opsForValue().set(key, data);
		if (timeout != null) {
			stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
		}
	}

	/**
	 * 存放string类型
	 * 
	 * @param key
	 *            key
	 * @param data
	 *            数据
	 */
	public void setString(String key, String data) {
		setString(key, data, null);
	}

	/**
	 * 根据key查询string类型
	 * 
	 * @param key
	 * @return
	 */
	public String getString(String key) {
		String value = stringRedisTemplate.opsForValue().get(key);
		return value;
	}

	/**
	 * 根据对应的key删除key
	 * 
	 * @param key
	 */
	public void delKey(String key) {
		stringRedisTemplate.delete(key);
	}

	// 如果key存在的话返回fasle 不存在的话返回true
	public Boolean setNx(String key, String value, Long timeout) {
		Boolean setIfAbsent = stringRedisTemplate.opsForValue().setIfAbsent(key, value);
		if (timeout != null) {
			stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
		}
		return setIfAbsent;
	}
	public void setList(String key, List<String> listToken) {
		stringRedisTemplate.opsForList().leftPushAll(key, listToken);
	}

	public StringRedisTemplate getStringRedisTemplate() {
		return stringRedisTemplate;
	}

}