学习笔记_Spring的资源与业务代码分离方式
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public Object queryForObject(String statementName, Object parameterObject) throws DataAccessException { return execute(new ClientCallback() { public Object doInClient(Executor executor) throws SQLException { return executor.queryForObject(statementName, parameterObject); } }); }??
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此处的真正具体业务代码为executor.queryForObject
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