Invalid bound statement (not found): com.xingyu.demo.mapper.UserMapper.update错误

没有在配置文件

中绑定mapper文件路径

spring:
  datasource:
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/zhang?serverTimezone=GMT%2b8
    driver-class-name: com.mysql.cj.jdbc.Driver
server:
  port: 9090
mybatis:
  mapper-locations: classpath:mapper/*.xml #扫描所有mybatis的xml文件