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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                # 組件源碼 /** * <b>方法描述:</b> 隨機移除并返回(一個) <br/> * <b>創建者:</b> admin <br/> * <b>創建時間:</b> 2018-05-09 10:37:27 <br/> * * @param key * 入參|key|{@link java.lang.String} * @param value * 出參|值|{@link java.lang.String} * @return -1 異常<br/> * 1 成功<br/> */ @Component(label = "隨機移除并返回(一個)", style = "判斷型", type = "同步組件", comment = "移除并返回一個集合中的隨機元素;當key不存在的時候返回 null", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-09 10:37:27") @InParams(param = { @Param(name = "key", comment = "key", type = java.lang.String.class) }) @OutParams(param = { @Param(name = "value", comment = "值", type = java.lang.String.class) }) @Returns(returns = { @Return(id = "-1", desp = "異常"), @Return(id = "1", desp = "成功") }) public static ResultBase P_spop(String key) { try { Object obj = redisTemplate.opsForSet().pop(key); return ResultBase.newSuccessResult(obj.toString()); } catch (Exception e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTR4004", "key對應的數據結構不是Set類型"); } } 交易中組件使用方式: ![](https://img.kancloud.cn/19/cb/19cb682d0a52f3d63baafc7024463a0e_950x750.jpg) ## 參數說明及示例 key:redis中的key,示例: `"qwer"` 值:隨機返回的值,示例: `__INNER__["returnOne"]` > 移除并返回一個集合中的隨機元素;當key不存在的時候返回 null
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