VS2017无法解析得外部符号-白红宇

VS2017无法解析得外部符号

阅读量：597 次

发布时间：2019-03-12

本文共 440 字，大约阅读时间需要 1 分钟。

一般问题出在

（1）XXX.lib头文件，这个要包含（不然编译也不能通过）

（2）需要XXX.lib或XXX.dll库。手动添加，项目->属性->配置属性->链接器->输入然后在附件依赖项添加XXX.lib，再生成第一个无法解析的外部符号错误消失了。一般又socket得变成可能是缺少这句#pragma comment(lib, “ws2_32.lib”)

（3）编译平台不一致。和链接的外部库编译的平台不一致导致的，如一个是x64的另一个是32位的或者一个是debug另一个是release的。

错误 100 error LNK2001: 无法解析的外部符号 "void __cdecl (@@YAXVHobject@Halcon@@00VHTuple@2@PEAV32@222@Z)

试一下,在项目->属性->配置属性->链接器->命令行加入 /FORCE:MULTIPLE

上面的错误出现，排除掉前三个问题，问题一般出在自己的方法参数上。做事粗心大意、拖拖拉拉要不得。

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