error LNK2028 & error LNK2019,该如何处理

error LNK2028 & error LNK2019
WordStatProcessor.h

C/C++ code

#pragma once#include <string>#include <iostream>#include <fstream>namespace WordStat {    class WordStatProcessor {        public:        void process();        private:        };}

WordStatProcessor.cpp

C/C++ code

#include "stdafx.h"#include "WordStatProcessor.h"#include <iostream>#include <fstream>#include <string>void process(){    std::ifstream myfile ("c:/example.txt");    std::string line;    if (myfile.is_open()){        while (! myfile.eof() ){            std::getline (myfile,line);        }        myfile.close();    }}

Form1.h

C/C++ code

#pragma once#include "WordStatProcessor.h"namespace WordStat {    using namespace System;    using namespace System::ComponentModel;    using namespace System::Collections;    using namespace System::Windows::Forms;    using namespace System::Data;    using namespace System::Drawing;    public ref class Form1 : public System::Windows::Forms::Form    {    public:        Form1(void)        {            InitializeComponent();        }    protected:        ~Form1()        {            if (components)            {                delete components;            }        }    private: System::Windows::Forms::GroupBox^  groupBox1;    protected:     private: System::Windows::Forms::Label^  label1;    private: System::Windows::Forms::GroupBox^  groupBox2;    private: System::Windows::Forms::GroupBox^  groupBox3;    private: System::Windows::Forms::ComboBox^  folderDir;    private: System::Windows::Forms::Button^  button2;    private: System::Windows::Forms::Label^  currentState;    private: System::Windows::Forms::Label^  label2;    private: System::Windows::Forms::FolderBrowserDialog^  folderBrowserDialog;    private:        System::ComponentModel::Container ^components;#pragma region Windows Form Designer generated code        void InitializeComponent(void)        {                    ....        }#pragma endregionprivate: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {             System::Windows::Forms::DialogResult result = this->folderBrowserDialog->ShowDialog();             if(result == System::Windows::Forms::DialogResult::OK){                 this->folderDir->Text = this->folderBrowserDialog->SelectedPath;             }         }private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {             WordStat::WordStatProcessor processor;             processor.process();         }};}

错误

1>------ Build started: Project: WordStat, Configuration: Debug Win32 ------
1>Compiling...
1>WordStatProcessor.cpp
1>WordStat.cpp
1>Generating Code...
1>Linking...
1>WordStat.obj : error LNK2028: unresolved token (0A000015) "public: void __clrcall WordStat::WordStatProcessor::process(void)" (?process@WordStatProcessor@WordStat@@$$FQAMXXZ) referenced in function "private: void __clrcall WordStat::Form1::button2_Click(class System::Object ^,class System::EventArgs ^)" (?button2_Click@Form1@WordStat@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)
1>WordStat.obj : error LNK2019: unresolved external symbol "public: void __clrcall WordStat::WordStatProcessor::process(void)" (?process@WordStatProcessor@WordStat@@$$FQAMXXZ) referenced in function "private: void __clrcall WordStat::Form1::button2_Click(class System::Object ^,class System::EventArgs ^)" (?button2_Click@Form1@WordStat@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)

1>D:\Projects\VisualStudio\WordStat\Debug\WordStat.exe : fatal error LNK1120: 2 unresolved externals
1>Build log was saved at "file://d:\Projects\VisualStudio\WordStat\WordStat\Debug\BuildLog.htm"
1>WordStat - 3 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

迷糊~~~



[解决办法]
namespace WordStat {
class WordStatProcessor {

public:
void process();

private:

};
}

namespace WordStat {
void WordStatProcessor:: process()
{
....
}
}

查看更多 下一篇