摘要：先贴出配置文件 <select id="queryUserGroupByName" resultType="UserGroupModel"> select * from user_group where roleName='user' and groupName=#{groupName} </sel 阅读全文

摘要：1、引入依赖（如果非maven管理，也可手动下载相关jar包） <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.58</version> </dependency> 阅读全文

摘要：报错先贴出来： Error creating bean with name 'testController': Unsatisfied dependency expressed through field 'userInfoService': No qualifying bean of type [ 阅读全文