涉及 Relate是Scala的轻量级，快速的数据库访问层，它抽象了JDBC的特性，同时保持了对SQL的完全控制。 安装 libraryDependencies + = " com.lucidchart " %% " relate " % " " 例子 val ids = Seq ( 1 , 2 , 3 ) sql " SELECT email FROM users WHERE id in ( $id s) " .asMap { row => row.long( " id " )