Ljava.lang.Object; cannot be cast to form A(实体)
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String hql="select a.id,a.title,a.name from A as a where ……";
这样查出来的记录不能转化为A类
这是它的提示 java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to form.A]
这样查询出来A的属性,系统会认为这只是单个的字段,是不能被实例化的
String hql="from A as a where…… "; 无论要查询有几个字段写成这样就可强制转化成A对象。。
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