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本篇内容介绍了“在已经使用mybatis的项目里引入mybatis-plus结果不能共存如何解决”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
mybatis-plus版本号：3.0.6
原有的项目使用的是springboot+mybatis的框架，一切接口服务均没有问题。由于新的需求增加shiro权限认证，然后也在考虑用mybatis-plus，所以权限认证这部分的代码用到了mybatis-plus，使用的过程中新的Dao层也就是Mapper使用都很正常，没有问题，但是在访问之前的接口的时候
问题产生了，报错：
org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.company.core.repository.dao.TsContentDao.findList
at com.baomidou.mybatisplus.core.override.PageMapperMethod$SqlCommand.(PageMapperMethod.java:261)
at com.baomidou.mybatisplus.core.override.PageMapperMethod.(PageMapperMethod.java:58)
at com.baomidou.mybatisplus.core.override.PageMapperProxy.cachedMapperMethod(PageMapperProxy.java:70)
at com.baomidou.mybatisplus.core.override.PageMapperProxy.invoke(PageMapperProxy.java:63)
at com.sun.proxy.$Proxy91.findList(Unknown Source)
at com.company.console.service.TsContentService.findList(TsContentService.java:551)
at com.company.console.service.TsContentService$$FastClassBySpringCGLIB$$9b0ef0c2.invoke()
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684)
at com.company.console.service.TsContentService$$EnhancerBySpringCGLIB$$dbf1df98.findList()
at com.company.console.service.TsContentService$$FastClassBySpringCGLIB$$9b0ef0c2.invoke()
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684)
at com.company.console.service.TsContentService$$EnhancerBySpringCGLIB$$cdc1e5a2.findList()
at com.company.console.interfaces.controller.TsContentManageController.contents(TsContentManageController.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:215)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:142)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:998)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:890)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:875)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
dao或者mapper，还有xml该怎么写还怎么写，只不过需要修改的地方在yml的配置文件里：
将：
mybatis: mapperLocations: classpath*:mybatis/**/*.xml configLocation: classpath:sqlmapConfig-admin-mybatis.xml
替换为：
mybatis-plus: mapper-locations: classpath*:mybatis/**/*.xml config-location: classpath:sqlmapConfig-admin-mybatis.xml
1. 数据库映射枚举，不能是tinyint(1)，tinyint(1)默认是boolean类型
2. 自增主键，数据库设置了自增主键后，po类需要增加@TableId(type = IdType.AUTO)，或者不要id字段才能生效。
否则会自动分配id，如下图：
3. mybatis嵌套查询，子查询中需要查出唯一标识
4. 用updateWrapper的update做更新操作，更新时间没有更新问题
数据库updateTime设置了 DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP，仍然不会自动更新时间，需要手动设置当前时间，或者用updateById方法
5. 使用lambaQuery时，参数为空会带入到SQL中（branch_code = null），需要手动过滤，或者在eq中增加条件
6. Integer判断为空
7. 基础类型的判断，customerIssueFlag定义的是String类型，值是Y or N
8. 事务
9. mybatis 配置了多个数据库，除了主数据源对应的mapper.java，都不能加 @Mapper 注解，否则会报找不到
由于使用了mybatis-plus的包，默认自动全包扫描@Mapper注解。mybatis扫描生成的Mapper比其他自定义配置的bean生成对应的Mapper对象块，而自定义的mybatis@MapperScan后扫描，Dao Bean已经生成了，无法再指定数据源进行注入了。
所以如果在 @Configrution注解类中指定了扫描类，就不用再加 @Mapper注解了
“在已经使用mybatis的项目里引入mybatis-plus结果不能共存如何解决”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识可以关注亿速云网站，小编将为大家输出更多高质量的实用文章！
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