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有没有一种方法可以使用谷歌图书搜索API只搜索特定种类的书籍,例如教科书?
原标题:Is there a way to only search for specific kinds of books such as textbooks with Google Book Search API?

我注意到有几个类,比如CategoryFilter,可以在Google Book Search Java API的VolumeQuery上使用。这是否只能用于搜索特定种类的书籍,如教科书,或者有更好的搜索方法吗?网上似乎没有太多关于使用谷歌图书搜索API的例子,也没有太多API中的细节,所以我不太确定如何解决这个问题。提前谢谢。

问题回答

CategoryFilter用于搜索用户标记的书籍:

VolumeQuery query = new VolumeQuery(
    new URL("http://www.google.com/books/feeds/users/USER_ID/collections/library/volumes"));
CategoryFilter filter = new CategoryFilter();;
filter.addCategory(
    new Category(BooksCategory.Scheme.LABELS_SCHEME, "favorite"));
query.addCategoryFilter(filter);
VolumeFeed volumeFeed = service.query(query, VolumeFeed.class);

参考:Data API:开发人员指南,Java





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