Mybatis-no getter for property named 'col_name' in 'class com.xxx.onebean'
Mybatis中出现该异常
There is no getter for property named 'col_name' in 'class com.xxx.onebean
意思是onebean这个实体中没有变量col_name的getter方法。这种情况可能使：
1.真的没有加getter方法
2.entityMapper.xml中应该使用#{实体类变量名},而不是#{数据库列名}。
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