jnivc.cpp

Java通过JNI调用本地动态连接库的例题源代码

// JniVC.cpp : Defines the entry point for the DLL application.
//

#include "stdafx.h"
#include "JniVC.h"
#include "TestJNI.h"

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
    switch (ul_reason_for_call)
	{
		case DLL_PROCESS_ATTACH:
		case DLL_THREAD_ATTACH:
		case DLL_THREAD_DETACH:
		case DLL_PROCESS_DETACH:
			break;
    }
    return TRUE;
}


// This is an example of an exported variable
JNIVC_API int nJniVC=0;

// This is an example of an exported function.
JNIVC_API int fnJniVC(void)
{
	return 42;
}

// This is the constructor of a class that has been exported.
// see JniVC.h for the class definition
CJniVC::CJniVC()
{ 
	return; 
}

JNIEXPORT jint JNICALL Java_TestJNI_add
(JNIEnv * env, jclass cls, jint n1, jint n2) 
{
	jint res = n1 + n2;

	return res;
}