此 getObject 方法是由 java.sql.CallableStatement 接口中的 getObject 方法指定的。 此方法将返回给定列的值作为一个 Java 对象。 根据 JDBC 规范中指定的内置类型映射，Java 对象的类型将为对应于此列 SQL 类型的默认 Java 对象类型。 如果值为 SQL NULL，驱动程序将返回 Java null。

此 executeQuery 方法是由 java.sql.Statement 接口中的 executeQuery 方法指定的。 此方法替代 SQLServerStatement类中找到的 executeQuery方法。 调用此方法将导致异常，因为在创建 SQLServerPreparedStatement 对象时指定了该对象的 SQL 语句。 如果给定的 SQL 语句没有生成单一的 ...

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