use of @import when modules are disabled問題
第一步: 點選專案->targets->build settings 搜尋module將
1.enable modules
2.link frameworks automatically
兩個設定成YES
編譯執行,如果問題依然存在那麼進入第二步。
第二步:檢視專案中是否存在.mm檔案,如果存在,可能的原因是您使用objective - c + +。modules不適用c++。於是你有兩個選擇,1.將@import換成#import。2.不使用objective - c + +
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