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这篇文章给大家介绍mybatis中使用foreach批量insert出现异常如何解决,内容非常详细,感兴趣的小伙伴们可以参考借鉴,希望对大家能有所帮助。
成都创新互联长期为成百上千家客户提供的网站建设服务,团队从业经验10年,关注不同地域、不同群体,并针对不同对象提供差异化的产品和服务;打造开放共赢平台,与合作伙伴共同营造健康的互联网生态环境。为古塔企业提供专业的网站制作、成都网站制作,古塔网站改版等技术服务。拥有10多年丰富建站经验和众多成功案例,为您定制开发。org.springframework.jdbc.BadSqlGrammarException: ### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3) ; INSERT INTO t_user_ro' at line 3 ### The error may involve defaultParameterMap ### The error occurred while setting parameters ### SQL: INSERT INTO t_user_role(userid,roleid)VALUES(?,?) ; INSERT INTO t_user_role(userid,roleid)VALUES(?,?) ; INSERT INTO t_user_role(userid,roleid)VALUES(?,?) ### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3) ; INSERT INTO t_user_ro' at line 3 ; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3) ; INSERT INTO t_user_ro' at line 3 at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:231) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371) at com.sun.proxy.$Proxy13.insert(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:240) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:51) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52) at com.sun.proxy.$Proxy14.addRoles(Unknown Source) at com.atguigu.atcrowdfunding.manager.service.impl.UserServiceImpl.addRoles(UserServiceImpl.java:139) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) at com.sun.proxy.$Proxy17.addRoles(Unknown Source) at com.atguigu.atcrowdfunding.manager.controller.UserController.doAddRoles(UserController.java:271) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833) at javax.servlet.http.HttpServlet.service(HttpServlet.java:648) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3) ; INSERT INTO t_user_ro' at line 3 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:941) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3806) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2470) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2617) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2550) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192) at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.execute(NewProxyPreparedStatement.java:823) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:62) at com.sun.proxy.$Proxy24.execute(Unknown Source) at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:44) at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:69) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:105) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:71) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:152) at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358) ... 65 more
mapper.xml导致的错误地方
INSERT INTO t_user_role(userid,roleid)VALUES(#{userId},#{id})
异常中说
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
首先觉得是 sql语句的问题,但是用sqlyog测试发现没有问题
后来发现是数据库对多个语句拼在一起的操作不支持问题
在jdbcUrl中加入allowMultiQueries=true即可解决
jdbc.url=jdbc:mysql://localhost:3306/atcrowdfunding?allowMultiQueries=true&rewriteBatchedStatements=true&useUnicode=true&characterEncoding=utf8
补充:Mybatis foreach嵌套 批量insert map list数据
以Teacher和Students为例 ,两者为一对多关系:**
Teacher 实体类
private String tid; private String tName; private ListstudentList; public String getTid() { return tid; } public void setTid(String tid) { this.tid = tid; } public String gettName() { return tName; } public void settName(String tName) { this.tName = tName; } public List getStudentList() { return studentList; } public void setStudentList(List studentList) { this.studentList = studentList; }
Student实体类
private String sid; private String sName; public String getSid() { return sid; } public void setSid(String sid) { this.sid = sid; } public String getsName() { return sName; } public void setsName(String sName) { this.sName = sName; }
应用场景 :在老师的service层批量插入老师数据
int nums=1000; //定义teacher list ListteaList=new ArrayList (); //数据是通过excel读取的 此处模拟循环读取excel row数据 for(int rowi=0;rowi stuList=new ArrayList (); Student student=new Student(); //此处获取Students集合 for(xxx){ stuList.add(student); } //把student集合和teacher绑定 teacher.setStudentList(stuList); //把teacher放入list teaList.add(teacher); } // 批量插入老师数据 teacherMapper.batchInsertTeacher(teaList); //此时每个teacher对象都有返回的主键id值 //老师主键 对应一个list(学生信息) map Map > stuMap=new HashMap<>(); //填入数据 老师主键一对多学生信息 for(Teacher tea:teaList){ //非空判断 避免老师没有对应学生的情况(此处只进行逻辑处理 不考虑现实中老师没有学生) if(tea.getStudentList()!=null&&tea.getStudentList().size()>0){ stuMap.put(tea.getTid(),tea.getStudentList()); } } //调用学生service的批量保存学生方法 studentService.batchInsertStudent(stuMap);
student Mapper接口文件
int batchInsertStudent(@Param("stuMap") Map> stuMap);
student mapper.xml文件(写法一:)
INSERT INTO bs_student (sid,sName,tid) values ( (select REPLACE(UUID(),'-','') AS sid) ,#{list.sName},#{itemKey} )
student mapper.xml文件(写法二:)
INSERT INTO bs_student (sid,sName,tid) ( SELECT (select REPLACE(UUID(),'-','') AS sid) ,#{list.sName} ,#{itemKey} FROM DUAL )
stuMap:就是在接口中使用@Param(“stuMap”)标注了变量;
使用stuMap.keys可以取到所有的key,遍历。
内层循环中使用stuMap[itemKey]类似stuMap.get(“key”)取当前key对应的value值。由于value是list所以还需要遍历。
结果保存成功。再次膜拜强大的Mybatis。
至此 成功插入student数据。
自定义类
class EnclosingType{ private String uuid; private Listelements; }
class ElementType{ String a; String b; (...) }
Mapper.xml(方法一)
INSERT INTO table1(enclosingTypeId,column_a,column_b) VALUES ( #{uuid,jdbcType=VARCHAR} ,#{list.a,jdbcType=VARCHAR} ,#{list.b,jdbcType=VARCHAR} )
Mapper.xml(方法二)
INSERT INTO table1(enclosingTypeId,column_a,column_b) ( select #{uuid,jdbcType=VARCHAR} ,#{list.a,jdbcType=VARCHAR} ,#{list.b,jdbcType=VARCHAR} from dual )
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