error LNK2001怎么解决?
#include <wininet.h>
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.....
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Linking...
Hex.obj : error LNK2001: unresolved external symbol __imp__FtpPutFileA@20
Hex.obj : error LNK2001: unresolved external symbol __imp__FtpDeleteFileA@8
Hex.obj : error LNK2001: unresolved external symbol __imp__InternetConnectA@32
Hex.obj : error LNK2001: unresolved external symbol __imp__InternetCloseHandle@4
Hex.obj : error LNK2001: unresolved external symbol __imp__InternetOpenA@20
在Debug模式下能通过,但在Release模式下就会出现以上的错误,要怎么改正?