Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.southwind.mmall002.service.UserService.getOne] with root cause
这些错误呢，是因为对应的mapper类的方法没有实现，也就是说，mapper.xml文件没有加载到或者加载错误。通过反复检查错误发现自己注解写错了。@MapperScan("com.southwind,mmall002.mapper")改为@MapperScan("com.southwind.mmall002.mapper")将逗号改成点，低级错误。。。。。。