You use the load method and pass it the class type you want to load, as well as the identity value for the entry you want.

使用load方法并传递需要加载的类类型以及记录的标识符值。

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Returns a principal object that matches the specified identity value.

返回一个与指定的标识值匹配的主体对象。

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Returns a principal object that matches the specified identity value.

返回一个与指定的标识值匹配的主体对象。

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