SpringBoot整合RedisTemplate实现缓存信息监控

1、CacheController接口代码

@RestController
@RequestMapping("/monitor/cache")
public class CacheController
{
    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    @PreAuthorize("@ss.hasPermi('monitor:cache:list')")// 自定义权限注解
    @GetMapping()
    public AjaxResult getInfo() throws Exception
    {
        // 获取redis缓存完整信息
        //Properties info = redisTemplate.getRequiredConnectionFactory().getConnection().info();
        Properties info = (Properties) redisTemplate.execute((RedisCallback<Object>) connection -> connection.info());

        // 获取redis缓存命令统计信息
        //Properties commandStats = redisTemplate.getRequiredConnectionFactory().getConnection().info("commandstats");
        Properties commandStats = (Properties) redisTemplate.execute((RedisCallback<Object>) connection -> connection.info("commandstats"));

        // 获取redis缓存中可用键Key的总数
        //Long dbSize = redisTemplate.getRequiredConnectionFactory().getConnection().dbSize();
        Object dbSize = redisTemplate.execute((RedisCallback<Object>) connection -> connection.dbSize());

        Map<String, Object> result = new HashMap<>(3);
        result.put("info", info);
        result.put("dbSize", dbSize);

        List<Map<String, String>> pieList = new ArrayList<>();
        commandStats.stringPropertyNames().forEach(key -> {
            Map<String, String> data = new HashMap<>(2);
            String property = commandStats.getProperty(key);
            data.put("name", StringUtils.removeStart(key, "cmdstat_"));
            data.put("value", StringUtils.substringBetween(property, "calls=", ",usec"));
            pieList.add(data);
        });
        result.put("commandStats", pieList);

        return AjaxResult.success(result);
    }
}