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  • mybatis:Could not set parameters for mapping: ParameterMapping

    错误信息:

    Could not set parameters for mapping: ParameterMapping{property='goodsImgId', mode=IN, javaType=class java.lang.Object, jdbcType=null, numericScale=null, resultMapId='null', jdbcTypeName='null', expression='null'}.
    Cause: org.apache.ibatis.type.TypeException: Error setting non null for parameter #1 with JdbcType null . Try setting a different JdbcType for this parameter or a different configuration property.
    Cause: java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).
    

      

    sql语句:

    @Insert("INSERT INTO goodsimg(goodsImgId,goodsImgName) VALUE ('#{goodsImgId}','#{goodsImgName}');")
    

      

    解决方法:

    方法一:注释问题,无注释,排除
    方法二:添加类型,#{goodsImgId,jdbcType=VARCHAR},无用
    方法三:错误原因,手贱给参数添加单引号

    正确:@Insert("INSERT INTO goodsimg(goodsImgId,goodsImgName) VALUE (#{goodsImgId},#{goodsImgName});")
    错误:@Insert("INSERT INTO goodsimg(goodsImgId,goodsImgName) VALUE ('#{goodsImgId}','#{goodsImgName}');")

      

    ps:正常的sql添加语句时,也要添加单引号,所以之前测试sql语句时,测试不出错误,手贱啊。

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  • 原文地址:https://www.cnblogs.com/hahayixiao/p/15396896.html
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