@RequestMapping("/login")
@ResponseBody
public Response login(@RequestBody Map<String, Object> map) {
Response res = new Response();
List<User> users = userService.login(map);
if (users == null || users.size() == 0) {
return res.failure("登陆失败");
}
ShardedJedis shardedJedis = shardedJedisPool.getResource();
try {
String skey = "session:" + users.get(0).getId();
String token = UUID.randomUUID().toString();
if (shardedJedis.exists(skey)) {
String oldtoken = shardedJedis.get(skey);
shardedJedis.del(skey);
shardedJedis.del("token:" + oldtoken);
}
if (shardedJedis.setnx(skey, token) == 1) {
shardedJedis.expire(skey, 3600 * 24);
shardedJedis.hset("token:" + token, "name", users.get(0).getName());
shardedJedis.expire("token:" + token, 3600 * 24);
} else {
token = shardedJedis.get(skey);
}
Map<String, Object> data = new HashMap<>();
data.put("token", token);
return new Response().success(data);
} finally {
shardedJedis.close();
}
}
/**
* 设置key value,如果key已经存在则返回0,nx==> not exist
*
* @param key
* @param value
* @return 成功返回1 如果存在 和 发生异常 返回 0
*/
public Long setnx(String key, String value) {
ShardedJedis jedis = null;
try {
jedis = pool.getResource();
return jedis.setnx(key, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
return 0L;
} finally {
returnResource(pool, jedis);
}
}