原生的mybatis需要手写sql语句，项目数据库表多了之后，可以让你写sql语句写到手软，于是mybatis官方提供了mybatis-generator：mybatis逆向工程代码生成工具，用于简化mybatis单表操作。

在PageHelper3.几的版本的时候，使用它对逆向工程生成的查询方法进行分页时出现失效的情况，而PageHelper4开始，亲测能够与mybatis逆向工程生成的方法完美兼容，今天就和大家分享spring+springmvc+mybatis+PageHelper的项目遇到的问题(今天就被使用3.几的版本失效而折磨，还以为sql语句写错了，最后还是被发现了，完美)

HTTP Status 500 - Request processing failed; nested exception is java.lang.RuntimeException: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.type Exception reportmessage Request processing failed; nested exception is java.lang.RuntimeException: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.description The server encountered an internal error that prevented it from fulfilling this request.exceptionorg.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.RuntimeException: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.    at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:75)    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)    at com.sun.proxy.$Proxy29.selectList(Unknown Source)    at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:198)    at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119)    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)    at com.sun.proxy.$Proxy31.selectByExample(Unknown Source)    at com.pinyougou.sellergoods.service.impl.BrandServiceImpl.findPage(BrandServiceImpl.java:35)    at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java)    at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)    at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)    at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)    at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)    at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)    at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)    at java.lang.Thread.run(Thread.java:745)Caused by: org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.    at org.apache.ibatis.scripting.xmltags.ExpressionEvaluator.evaluateIterable(ExpressionEvaluator.java:40)    at org.apache.ibatis.scripting.xmltags.ForEachSqlNode.apply(ForEachSqlNode.java:54)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at org.apache.ibatis.scripting.xmltags.TrimSqlNode.apply(TrimSqlNode.java:54)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at org.apache.ibatis.scripting.xmltags.IfSqlNode.apply(IfSqlNode.java:34)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at com.github.pagehelper.SqlUtil$MyDynamicSqlSource.getBoundSql(SqlUtil.java:366)    at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:278)    at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:75)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)    at java.lang.reflect.Method.invoke(Method.java:498)    at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)    at com.github.pagehelper.PageHelper.intercept(PageHelper.java:156)    at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)    at com.sun.proxy.$Proxy38.query(Unknown Source)    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)    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$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)    ... 35 more    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:981)    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)root causejava.lang.RuntimeException: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.    at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:75)    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)    at com.sun.proxy.$Proxy29.selectList(Unknown Source)    at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:198)    at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119)    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)    at com.sun.proxy.$Proxy31.selectByExample(Unknown Source)    at com.pinyougou.sellergoods.service.impl.BrandServiceImpl.findPage(BrandServiceImpl.java:35)    at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java)    at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)    at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)    at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)    at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)    at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)    at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)    at java.lang.Thread.run(Thread.java:745)Caused by: org.apache.ibatis.builder.BuilderException: The expression 'oredCriteria' evaluated to a null value.    at org.apache.ibatis.scripting.xmltags.ExpressionEvaluator.evaluateIterable(ExpressionEvaluator.java:40)    at org.apache.ibatis.scripting.xmltags.ForEachSqlNode.apply(ForEachSqlNode.java:54)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at org.apache.ibatis.scripting.xmltags.TrimSqlNode.apply(TrimSqlNode.java:54)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at org.apache.ibatis.scripting.xmltags.IfSqlNode.apply(IfSqlNode.java:34)    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)    at com.github.pagehelper.SqlUtil$MyDynamicSqlSource.getBoundSql(SqlUtil.java:366)    at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:278)    at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:75)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)    at java.lang.reflect.Method.invoke(Method.java:498)    at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)    at com.github.pagehelper.PageHelper.intercept(PageHelper.java:156)    at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)    at com.sun.proxy.$Proxy38.query(Unknown Source)    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)    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:358)    ... 35 more    com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:108)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)    com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)    com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)    com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)    com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)    com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)    com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)    java.lang.Thread.run(Thread.java:745)note The full stack trace of the root cause is available in the Apache Tomcat/7.0.

 

     
      pom
       
         
             
      
       4.12
              
      
       4.2.4.RELEASE
              
      
       4.1.0
              
      
       2.5
              
      
       2.5.3
              
      
       3.4.7
              
      
       0.1
                      
      
       3.2.8
              
      
       1.2.2
              
      
       1.2.15
              
      
       5.1.32
                      
      
       1.0.9
              
      
       1.3.1
              
      
       2.3.23
              
      
       5.11.2
              
      
       3.2.3.RELEASE
                      
      
       4.10.3
              
      
       2012_u6
                  
             
             
                              
                   
                       
        
         org.springframework
                        
        
         spring-context
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-beans
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-webmvc
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-jdbc
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-aspects
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-jms
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-context-support
                        
        
         ${spring.version}
                    
                   
                       
        
         org.springframework
                        
        
         spring-test
                        
        
         ${spring.version}
                    
                   
                   
                       
        
         com.alibaba
                        
        
         dubbo
                        
        
         ${dubbo.version}
                    
                   
                       
        
         org.apache.zookeeper
                        
        
         zookeeper
                        
        
         ${zookeeper.version}
                    
                   
                       
        
         com.github.sgroschupf
                        
        
         zkclient
                        
        
         ${zkclient.version}
                    
                   
                       
        
         junit
                        
        
         junit
                        
        
         4.9
                    
                   
                       
        
         com.alibaba
                        
        
         fastjson
                        
        
         1.2.28
                    
                   
                       
        
         javassist
                        
        
         javassist
                        
        
         3.11.0.GA
                    
                   
                       
        
         commons-codec
                        
        
         commons-codec
                        
        
         1.10
                    
                   
                       
        
         javax.servlet
                        
        
         servlet-api
                        
        
         2.5
                        
        
         provided
                    
                   
                       
        
         com.github.pagehelper
                        
        
         pagehelper
                        
        
         ${pagehelper.version}
                    
                             
                   
                       
        
         org.mybatis
                        
        
         mybatis
                        
        
         ${mybatis.version}
                    
                   
                       
        
         org.mybatis
                        
        
         mybatis-spring
                        
        
         ${mybatis.spring.version}
                    
                   
                       
        
         com.github.miemiedev
                        
        
         mybatis-paginator
                        
        
         ${mybatis.paginator.version}
                    
                           
                   
                       
        
         mysql
                        
        
         mysql-connector-java
                        
        
         ${mysql.version}
                    
                   
                   
                       
        
         com.alibaba
                        
        
         druid
                        
        
         ${druid.version}
                    
                           
                       
        
         org.csource.fastdfs
                        
        
         fastdfs
                        
        
         1.2
                    
                   
                   
                       
        
         commons-fileupload
                        
        
         commons-fileupload
                        
        
         ${commons-fileupload.version}
                    
                           
                   
                      
        
         redis.clients
                       
        
         jedis
                       
        
         2.8.1
                     
                    
                      
        
         org.springframework.data
                       
        
         spring-data-redis
                       
        
         1.7.2.RELEASE
                     
                           
                       
        
         org.freemarker
                        
        
         freemarker
                        
        
         ${freemarker.version}
                    
                           
                       
        
         org.apache.activemq
                        
        
         activemq-all
                        
        
         ${activemq.version}
                    
                   
                   
                       
        
         org.springframework.security
                        
        
         spring-security-web
                        
        
         4.1.0.RELEASE
                    
                   
                       
        
         org.springframework.security
                        
        
         spring-security-config
                        
        
         4.1.0.RELEASE
                    
                           
                       
        
         com.github.penggle
                        
        
         kaptcha
                        
        
         2.3.2
                        
                            
                                 
          
           javax.servlet
                                    
          
           javax.servlet-api
                              
                         
                    
                           
                         
        
         org.springframework.security
                          
        
         spring-security-cas
                          
        
         4.1.0.RELEASE
                      
                     
                         
        
         org.jasig.cas.client
                          
        
         cas-client-core
                          
        
         3.3.3
                          
                          
                              
                                   
          
           org.slf4j
                                    
          
           log4j-over-slf4j
                                
                           
                      
                            
                   
                       
        
         org.apache.solr
                        
        
         solr-solrj
                        
        
         ${solrj.version}
                    
                   
                       
        
         com.janeluo
                        
        
         ikanalyzer
                        
        
         ${ik.version}
                    
                         
                         
        
         org.apache.httpcomponents
                          
        
         httpcore
                          
        
         4.4.4
                      
                               
                         
        
         org.apache.httpcomponents
                          
        
         httpclient
                          
        
         4.5.3
                      
                     
                         
        
         dom4j
                          
        
         dom4j
                          
        
         1.6.1
                      
                               
                         
        
         xml-apis
                          
        
         xml-apis
                          
        
         1.4.01
                      
                        
                  
                 
                     
                              
                   
                       
        
         org.apache.maven.plugins
                        
        
         maven-compiler-plugin
                        
        
         3.2
                        
                            
         1.7                    
         
          1.7
                             
         
          UTF-8
                         
                    
               
              
     

 

使用PageHelper分页插件4.1.0版本后完美成功 作者：何秀好 2019-05-0123:46:35