您可以尝试输出特性，设置错误处理(不仅在xsl变换时，而且还在查找输入源时)，并发现API中的各种好东西。

You can play around with output properties, set error handling (not only for XSL transformations, but also for locating input sources) and find a variety of other goodies in the API.

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如果底层驱动程序不支持事务，那么将会抛出一个PDOException(无论错误处理设置是怎样的：这总是一个严重错误状态)。

If the underlying driver does not support transactions, a PDOException will be thrown (regardless of your error handling Settings: this is always a serious error condition).

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在外部范围中，错误处理程序包含一个其目标设置为内部范围的补偿活动。

In the outer scope, a fault handler contains a compensate activity whose target is set to the inner scope.

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