使用Mapper层使用@Select注解时使用<foreach>标签报BindingException: Parameter ‘item‘ not found.

使用Mapper层使用@Select注解时使用<foreach>标签报BindingException: Parameter ‘item‘ not found.

项目场景:
使用@Select注解写SQL,里使用了<foreach>标签的item='item'

问题描述:

 @Select(
            "SELECT * FROM t_customer_info WHERE cert_type IN " +
            "<foreach item='item' index='index' collection='list' " +
            "open='(' separator=',' close=')'>" +
            "#{item}" +
            "</foreach>")
    List<CustInfo> selectByCertTypes(@Param("list") List<String> certTypes);


在foreach标签中,使用了#{item} ,报 BindingException: Parameter ‘item’ not found.

原因分析:
在@Select注解中,写带标签的复杂SQL ,需要使用“《script》” 标签

解决方案:
加上“《script》” 标签即可

 @Select("<script>" +
            "SELECT * FROM t_customer_info WHERE cert_type IN " +
            "<foreach item='item' index='index' collection='list' " +
            "open='(' separator=',' close=')'>" +
            "#{item}" +
            "</foreach>" +
            "</script>")
    List<CustInfo> selectByCertTypes(@Param("list") List<String> certTypes);

2025-04-01 13:49:35.484 TRACE [org.springframework.web.servlet.DispatcherServlet] - GET "/big-screen/get-time-period-traffic?deviceType=3", parameters={masked}, headers={masked} in DispatcherServlet &#39;dispatcherServlet&#39; 2025-04-01 13:49:35.485 TRACE [o.s.w.s.m.m.a.RequestMappingHandlerMapping] - Mapped to com.syzn.dv.biz.bigscreen.northbound.controller.BigScreenController#getTimePeriodTraffic(BigScreenCommonReq) 2025-04-01 13:49:35.512 TRACE [org.springframework.web.method.HandlerMethod] - Arguments: [BigScreenCommonReq(direction=null, deviceType=3, startDate=null, endDate=null)] 2025-04-01 13:49:35.530 DEBUG [org.mybatis.spring.SqlSessionUtils] - Creating a new SqlSession 2025-04-01 13:49:35.537 DEBUG [org.mybatis.spring.SqlSessionUtils] - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3c31fc7a] was not registered for synchronization because synchronization is not active 2025-04-01 13:49:35.558 DEBUG [org.mybatis.spring.SqlSessionUtils] - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3c31fc7a] 2025-04-01 13:49:35.560 DEBUG [o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver] - Using @ExceptionHandler com.syzn.dv.config.GlobalExceptionHandler#customErrorHandler(RuntimeException) 2025-04-01 13:49:35.560 TRACE [org.springframework.web.method.HandlerMethod] - Arguments: [org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter &#39;device_no&#39; not found. Available parameters are [startTime, endTime, deviceNo, param3, param1, param2]] org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter &#39;device_no&#39; not found. Available parameters are [startTime, endTime, deviceNo, param3, param1, param2] at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:96) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:4
04-02
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