foootech / electron-ffi-demo

在 Electron 项目中通过 node-ffi 调用 c/c++的 dll 动态链接库

Quick Start

npm i
npm run rebuild-ffi
npm run start

Build

• Use electron-builder to Build
• Add Config:

      "extraFiles": [
          "dll"               // Where *.dll File
      ]

ScreenShot

http://odovakhft.bkt.clouddn.com/electron-ffi-demo.png

MyDLL.dll Source Code

• cpp

#include "stdafx.h"
#include "testdll.h"
#include <iostream>
using namespace std;
float Add(float plus1, float plus2)
{
	float add_result = plus1 + plus2;
	return add_result;
}

char *Hello()
{
	return "Hello This is Cpp Addon";
}

int StrLength(char * str)
{
	return strlen(str);
}

• h

#pragma once
#ifndef TestDll_H_
#define TestDll_H_
#ifdef MYLIBDLL
#define MYLIBDLL extern "C" _declspec(dllimport) 
#else
#define MYLIBDLL extern "C" _declspec(dllexport) 
#endif
MYLIBDLL char* Hello();
MYLIBDLL float Add(float plus1, float plus2);
MYLIBDLL int StrLength(char * str);
//You can also write like this:
//extern "C" {
//_declspec(dllexport) int Add(int plus1, int plus2);
//};
#endif

• def

LIBRARY "MyDLL"
EXPORTS
Add @1