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# 组件源码 /** * <b>方法描述:</b> 获取元素排名(正序) <br/> * <b>创建者:</b> admin <br/> * <b>创建时间:</b> 2018-05-09 11:01:25 <br/> * * @param key * 入参|key|{@link java.lang.String} * @param member * 入参|成员|{@link java.lang.String} * @param index * 出参|元素排名|{@link long} * @return -1 异常<br/> * 1 成功<br/> */ @Component(label = "获取元素排名(正序)", style = "判断型", type = "同步组件", comment = "有序集key中成员member的排名。其中有序集成员按score值递增(从小到大)顺序排列。排名以0为底", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-09 11:01:25") @InParams(param = { @Param(name = "key", comment = "key", type = java.lang.String.class), @Param(name = "member", comment = "成员", type = java.lang.String.class) }) @OutParams(param = { @Param(name = "index", comment = "元素排名", type = long.class) }) @Returns(returns = { @Return(id = "-1", desp = "异常"), @Return(id = "1", desp = "成功") }) public static ResultBase P_zrank(String key, String member) { try { long obj = redisTemplate.opsForZSet().rank(key, member); return ResultBase.newSuccessResult(obj); } catch (Exception e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTR6007", "获取元素排名(正序) 异常:" + AppLog.errorMsg(e)); } } 交易中组件使用方式: ![](https://img.kancloud.cn/c1/be/c1bec54c3cf58ccb4434fd41f9c425ee_950x750.jpg) ## 参数说明及示例 key:redis中的key,示例: `"qwer"` 成员:需要查询排序值的元素,示例: `"test"` 元素排名:返回当前元素正序排序值,示例: `__INNER__["score"]` > 有序集key中成员member的排名。其中有序集成员按score值递增(从小到大)顺序排列。排名以0为底