解决办法：这个错误是因为 MyBatis 在将查询结果封装为 Map 类型时，尝试调用 Map 类的无参构造方法来创建一个新的 Map 实例，但是 Map 接口本身并没有定义无参构造方法，所以会抛出 NoSuchMethodException 异常。要解决这个问题，可以尝试将返回类型改为 HashM...

Redis和nosql简介,api调用；Redis数据功能（String类型的数据处理）；List数据结构（及Java调用处理）；Hash数据结构；Set数据结构功能；sortedSet（有序集合）数

1、Redis和nosql简介,api调用 14.1/ nosql介绍 NoSQL：一类新出现的数据库(not only sql)，它的特点： 1、不支持SQL语法 2、存储结构跟传统关系型数据库中的那种关系表完全不同，nosql中存储的数据都是KV形式 3...

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更新时间 2024-02-08 09:30:37

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