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我正在尝试构建一个 C++ 程序，但每当我尝试定义一个新函数并构建它时，总是出现 LNK2019 链接错误。到目前为止，我解决了其中的一些问题，但花了很多时间来详细了解错误。我现在得到的错误如下:
Error 22 error LNK2019: unresolved external symbol "public: __thiscall xmlElements::operator class std::basic_string,class std::allocator >(void)" (??BxmlElements@@QAE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function "public: class xmlTags & __thiscall xmlTags::addSib(class xmlElements)" (?addSib@xmlTags@@QAEAAV1@VxmlElements@@@Z)
Error 25 error LNK2019: unresolved external symbol "public: __thiscall xmlElements::operator class std::basic_string,class std::allocator >(void)" (??BxmlElements@@QAE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function "public: class xmlTags & __thiscall xmlTags::addSib(class xmlElements)" (?addSib@xmlTags@@QAEAAV1@VxmlElements@@@Z)
Error 23 error LNK2019: unresolved external symbol "public: __thiscall xmlTags::xmlTags(void)" (??0xmlTags@@QAE@XZ) referenced in function "public: static void __cdecl xmlTags::makeDoc(void)" (?makeDoc@xmlTags@@SAXXZ)
Error 26 error LNK2019: unresolved external symbol "public: __thiscall xmlTags::xmlTags(void)" (??0xmlTags@@QAE@XZ) referenced in function "public: static void __cdecl xmlTags::makeDoc(void)" (?makeDoc@xmlTags@@SAXXZ)
浏览各种论坛我了解到我需要添加一些库名称及其路径，但我不擅长库。从哪里可以得到它的名字和路径？