①选择工程->Properties->C/C++ General->Indexer

②勾选Enable project specific settings

③勾选Index unused headers as C++ files

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http://s15/mw690/002hLfJYzy6QKf64wjQ2e&690'xxxx' could not be resolved的处理方法" TITLE="Eclipse中出现Type 'xxxx' could not be resolved的处理方法" />