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Mabatis错误提示Parameterindexoutofrange的处理方法

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错误信息如下

08:34:43,302 DEBUG getTeachers:139 - ==> Preparing: SELECT a.*,b.classId,b.className FROM TeacherInfo a INNER JOIN ClassInfo b ON a.teacherId=b.teacherId 
08:34:43,316 DEBUG NewPooledConnection:430 - com.mchange.v2.c3p0.impl.NewPooledConnection@2f187f handling a throwable.
java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).
 at com.MySQL.jdbc.SQLError.createSQLException(SQLError.java:959)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:862)
 at com.mysql.jdbc.PreparedStatement.checkBounds(PreparedStatement.java:3319)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3304)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3341)
 at com.mysql.jdbc.PreparedStatement.setNull(PreparedStatement.java:3380)
 at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.setNull(NewProxyPreparedStatement.java:157)
 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:70)
 at com.sun.proxy.$Proxy34.setNull(Unknown Source)
 at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:43)
 at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:81)
 at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)
 at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)
 at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)
 at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
 at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
 at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:434)
 at com.sun.proxy.$Proxy15.selectList(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:231)
 at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119)
 at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)
 at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
 at com.sun.proxy.$Proxy20.getTeachers(Unknown Source)
 at com.taohan.online.exam.service.impl.TeacherInfoServiceImpl.getTeachers(TeacherInfoServiceImpl.java:59)
 at com.taohan.online.exam.handler.ClassInfoHandler.preUpdateClass(ClassInfoHandler.java:176)
 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.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222)
 at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
 at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)
 at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969)
 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
 at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 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:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
 at java.lang.Thread.run(Unknown Source)
08:34:43,319 DEBUG SqlUtils:85 - Attempted to convert SQLException to SQLException. Leaving it alone. [SQLState: S1009; errorCode: 0]
java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:959)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:862)
 at com.mysql.jdbc.PreparedStatement.checkBounds(PreparedStatement.java:3319)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3304)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3341)
 at com.mysql.jdbc.PreparedStatement.setNull(PreparedStatement.java:3380)
 at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.setNull(NewProxyPreparedStatement.java:157)
 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:70)
 at com.sun.proxy.$Proxy34.setNull(Unknown Source)
 at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:43)
 at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:81)
 at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)
 at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)
 at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)
 at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
 at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
 at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:434)
 at com.sun.proxy.$Proxy15.selectList(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:231)
 at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119)
 at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)
 at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
 at com.sun.proxy.$Proxy20.getTeachers(Unknown Source)
 at com.taohan.online.exam.service.impl.TeacherInfoServiceImpl.getTeachers(TeacherInfoServiceImpl.java:59)
 at com.taohan.online.exam.handler.ClassInfoHandler.preUpdateClass(ClassInfoHandler.java:176)
 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.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222)
 at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
 at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)
 at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969)
 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
 at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 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:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
 at java.lang.Thread.run(Unknown Source)
08:34:43,320 DEBUG DefaultConnectionTester:126 - Testing a Connection in response to an Exception:
java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:959)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:862)
 at com.mysql.jdbc.PreparedStatement.checkBounds(PreparedStatement.java:3319)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3304)
 at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3341)
 at com.mysql.jdbc.PreparedStatement.setNull(PreparedStatement.java:3380)
 at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.setNull(NewProxyPreparedStatement.java:157)
 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:70)
 at com.sun.proxy.$Proxy34.setNull(Unknown Source)
 at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:43)
 at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:81)
 at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)
 at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)
 at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)
 at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
 at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
 at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:434)
 at com.sun.proxy.$Proxy15.selectList(Unknown Source)
 at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:231)
 at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119)
 at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)
 at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
 at com.sun.proxy.$Proxy20.getTeachers(Unknown Source)
 at com.taohan.online.exam.service.impl.TeacherInfoServiceImpl.getTeachers(TeacherInfoServiceImpl.java:59)
 at com.taohan.online.exam.handler.ClassInfoHandler.preUpdateClass(ClassInfoHandler.java:176)
 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.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222)
 at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
 at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)
 at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969)
 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
 at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 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:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
 at java.lang.Thread.run(Unknown Source)

错误信息关键描述

Parameter index out of range (1 > number of parameters, which is 0)

反正就是说我的参数存在问题

业务代码描述

修改班级信息时可以修改班级对应班主任，所以需要查询出对应的非班主任教师。

Handler

@RequestMapping(value="edit/class/{classId}", method=RequestMethod.GET)
 public ModelAndView preUpdateClass(@PathVariable("classId") Integer classId) {
  logger.info("预修改班级处理");
  ModelAndView model = new ModelAndView();
  //获取要修改班级
  ClassInfo classInfo = classInfoService.getClassById(classId);
  model.setViewName("/admin/classedit");
  model.addObject("editClass", classInfo);
  List grades = gradeInfoService.getGrades();
  //获取不是班主任的教师
  teacher.setIsWork(0); // isWork为0就不是班主任
  List teachers = teacherInfoService.getTeachers(null); //通过下面配置文件可知，该方法需要传入一个 Map 集合，而我这里传入一个 null
  //如果没有可用班主任
  if (teachers.size() == 0 || teachers == null) {
   teacher.setTeacherId(classInfo.getTeacher().getTeacherId());
   teacher.setTeacherName("暂无剩余教师");
   teachers.add(teacher);
  }
  model.addObject("teachers", teachers);
  model.addObject("grades", grades);
  return model;
 }

　　映射文件

Statement会接收一个 Map 集合

总结

通过之前犯过类似的错误，以及这次错误，我发现 今后只要是 Parameter index out of range (1 > number of parameters, which is 0) 类似的错误大致定位在 映射文件和调用方法传入参数，

　　映射文件

如果使用了 parameterMap, resultMap，或是返回集合，就要检查参数名称和属性名称是否一致

　　调用方法

针对使用了 parameterMap 或 parameterType，需要检查传入Map中的键是否存在、匹配，或传入对象是否存在指定属性

下面看下在数据库中遇到Parameter index out of range  错误该如何处理？

最近学ssm框架的时候，遇到了这个错误，找了半天的原因，最后发现原来是sql语句中多了一对单引号。传入值的类型为String类型，就以为还要加引号以表示传入的是字符串，其实是错的，还是初学对其还不太了解。

如下：

错误的：


   UPDATE login SET State = 0 WHERE LID = '#{value}'

正确的：


   UPDATE login SET State = 0 WHERE LID = #{value}

以上所述是小编给大家介绍的Mabatis错误提示Parameter index out of range的处理方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对创新互联网站的支持！


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