spring依赖注入service报错，expected at least 1 bean which qualifies as autowire candidate。

spring dependency injection service报告了错误，至少需要1个符合自动连线候选资格的bean spring dependency injection service报告了错误，至少需要1个符合自动连线候选资格的bean 简介:严重:上下文初始化失败组织。spring framework . beans . factory . UNSATISFIEDDependenceException I