* 获取编码 * @param[in] key 键 * @param[out] value 结果 * @return 成功true,失败false * @see * @note */
| 2374 | * @note |
| 2375 | */ |
| 2376 | bool RedisClient::encoding(const QString& key, QByteArray & value) { |
| 2377 | _sErrorInfo.clear(); |
| 2378 | if(key.trimmed().isEmpty()) { |
| 2379 | _sErrorInfo = "key is empty"; |
| 2380 | return false; |
| 2381 | } |
| 2382 | |
| 2383 | _vCmdList.clear(); |
| 2384 | _vCmdList.push_back("OBJECT"); |
| 2385 | _vCmdList.push_back("ENCODING"); |
| 2386 | _vCmdList.push_back(key); |
| 2387 | |
| 2388 | _cmdResult = command(_vCmdList); |
| 2389 | if(_cmdResult[0] == '-') { |
| 2390 | if(parseRespError(_cmdResult,_sValue)) |
| 2391 | _sErrorInfo = _sValue; |
| 2392 | else |
| 2393 | _sErrorInfo = "parser resp error info failed"; |
| 2394 | _bRet = false; |
| 2395 | } else if(_cmdResult[0] == '$') { |
| 2396 | if(parseRespBulkString(_cmdResult,value, _iRet)) { |
| 2397 | if(_iRet == -1) { |
| 2398 | _bRet = false; |
| 2399 | _sErrorInfo = "value is nil"; |
| 2400 | } else |
| 2401 | _bRet = true; |
| 2402 | } else { |
| 2403 | _sErrorInfo = "parser resp bulk string info failed"; |
| 2404 | _bRet = false; |
| 2405 | } |
| 2406 | } else { |
| 2407 | _bRet = false; |
| 2408 | _sErrorInfo = QString("parser resp type failed:") + _cmdResult[0]; |
| 2409 | } |
| 2410 | return _bRet; |
| 2411 | } |
| 2412 | |
| 2413 | /** |
| 2414 | * 它是LPOP命令的阻塞版本，当给定列表内没有任何元素可供弹出的时候， |