Invalid property 'jt' of bean class [cn.xiaozhang.a_jdbctemplate.UserDaoImpl

在學spring框架時遇到了一個錯誤 Invalid property ‘jt’ of bean class [cn.xiaozhang.a_jdbctemplate.UserDaoImpl]: Bean property ‘jt’ is not writable or has an invalid setter method. Does the parameter type of the set

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