MyBatisSystemException->BindingException: Parameter 'xxx' not found. Available parameters are [arg1, arg0, param1, param2]

最近在使用Spring boot+mybatis做新的基础框架，结果碰到如下问题:

 1 org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter 'eName' not found. Available parameters are [arg1, arg0, param1, param2]
     at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77)
     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)
     at com.sun.proxy.$Proxy62.selectOne(Unknown Source)
     at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166)
     at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)
     at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58)
     at com.sun.proxy.$Proxy101.getByENameOrCName(Unknown Source)
     at com.enuo.biz.server.impl.EnuoPermissionTypeServiceImpl.add(EnuoPermissionTypeServiceImpl.java:34)
     at com.enuo.api.controller.account.company.permission.EnuoPermissionTypeController.add(EnuoPermissionTypeController.java:35)
     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:189)
     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
     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:892)
     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
     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:1005)
     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
     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.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 com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
     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:200)
     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:834)
     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$WrappingRunnable.run(TaskThread.java:61)
     at java.lang.Thread.run(Thread.java:748)
 Caused by: org.apache.ibatis.binding.BindingException: Parameter 'eName' not found. Available parameters are [arg1, arg0, param1, param2]
     at org.apache.ibatis.binding.MapperMethod$ParamMap.get(MapperMethod.java:212)
     at org.apache.ibatis.reflection.wrapper.MapWrapper.get(MapWrapper.java:45)
     at org.apache.ibatis.reflection.MetaObject.getValue(MetaObject.java:122)
     at org.apache.ibatis.executor.BaseExecutor.createCacheKey(BaseExecutor.java:219)
     at org.apache.ibatis.executor.CachingExecutor.createCacheKey(CachingExecutor.java:146)
     at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:84)
     at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)
     at com.sun.proxy.$Proxy128.query(Unknown Source)
     at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
     at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
     at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:498)
     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)
     ... 73 more

而这个报错运用到的代码是在查询语句中，我的Mapper代码传递了两个参数, 而当我们只有一个参数的使用，Mapper.xml文件中只要写上一个#{xx}就可以了，前面就好奇如果两个会怎么样，结果发现报了如上的错误, 而当传递多个参数的时候, 则需要再Mapper代码的参数前面加上@Param("xx")来做定义.