When you want a field to be set to null, you set its value to as attribute3 in Figure 17 shows, which is equivalent to calling MyBO.set("attribute2", null) using the Service Data Object (SDO) API.

需要将字段设置为null时，您可以将其值设置为 （如图17 中的attribute3 所示），这等效于使用ServiceDataObject (SDO) API调用MyBO.set("attribute2", null)。

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When you want a field to be set to null, you set its value to as attribute3 in Figure 17 shows, which is equivalent to calling MyBO.set("attribute2", null) using the Service Data Object (SDO) API.

需要将字段设置为null时，您可以将其值设置为 （如图17 中的attribute3 所示），这等效于使用ServiceDataObject (SDO) API调用MyBO.set("attribute2", null)。

youdao