글쓴이 :황성한 2000년 5월 16일 12:14:01
이런 유용한 사이트가 있다는 것에 항상 감사드립니다.
다름이 아니라 아래와 같이 JNI를 이용하여 DLL을 LINK시키는 방법을 아래와 같이 해보았습니다만 어디가 잘못인지 ERROR가 발생하는군요.
고수님들의 한수 지적을 부탁드립니다.
/*****************************************************/* JUtil.java */
/*****************************************************/
package sini;
import java.awt.*;
import java.util.*;
import java.io.*;
public final class JUtil
{
static
{
System.loadLibrary("JUtil");
}
private JUtil() {}
public static native int getHwnd(String title);
public static native void setWindowAlwaysOnTop(int hwnd, boolean flag);
}
javac Util.java
javah -jni sini.JUtil
/*****************************************************/
/* sini_JUtil.h */
/*****************************************************/
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class sini_JUtil */
#ifndef _Included_sini_JUtil
#define _Included_sini_JUtil
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: sini_JUtil
* Method: getHwnd
* Signature: (Ljava/lang/String;)I
*/
JNIEXPORT jint JNICALL Java_sini_JUtil_getHwnd
(JNIEnv *, jclass, jstring);
/*
* Class: sini_JUtil
* Method: setWindowAlwaysOnTop
* Signature: (IZ)V
*/
JNIEXPORT void JNICALL Java_sini_JUtil_setWindowAlwaysOnTop
(JNIEnv *, jclass, jint, jboolean);
#ifdef __cplusplus
}
#endif
#endif
/****************************************************/
/* JUtil.c */
/****************************************************/
#include "sini_JUtil.h"
#define STRICT
#include <windows.h>
#include <conio.h>
JNIEXPORT jint JNICALL Java_sini_JUtil_getHwnd(JNIEnv *env, jclass obj, jstring title)
{
HWND hwnd = NULL;
const char *str = NULL;
str = (*env)->GetStringUTFChars(env, title, 0);
hwnd = FindWindow(NULL,str);
(*env)->ReleaseStringUTFChars(env, title, str);
return (jint) hwnd;
}
JNIEXPORT void JNICALL Java_sini_JUtil_setWindowAlwaysOnTop(JNIEnv *env, jclass obj, jint hwnd, jboolean flag)
{
if (flag)
SetWindowPos((HWND) hwnd,HWND_TOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
else
SetWindowPos((HWND) hwnd,HWND_NOTOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
return;
}
cl JUtil.c -I"C:\java\include" -I"C:\java\include\win32" -I"C:\Program Files\Microsoft Visual Studio\VC98\include" -FeJutil.dll -MD -LD "C:\java\lib\javai.lib" "c:\program files\microsoft visual studio\vc98\lib\uuid.lib" "c:\program files\microsoft visual studio\vc98\lib\msvcrt.lib" "c:\program files\microsoft visual studio\vc98\lib\oldnames.lib" "c:\program files\microsoft visual studio\vc98\lib\kernel32.lib"
/****************************************************/
/* error message */
/****************************************************/
Microsoft (R) Incremental Linker Version 6.00.8168
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.
/out:Jutil.dll
/dll
/implib:Jutil.lib
JUtil.obj
C:\java\lib\javai.lib
"c:\program files\microsoft visual studio\vc98\lib\uuid.lib"
"c:\program files\microsoft visual studio\vc98\lib\msvcrt.lib"
"c:\program files\microsoft visual studio\vc98\lib\oldnames.lib"
"c:\program files\microsoft visual studio\vc98\lib\kernel32.lib"
Creating library Jutil.lib and object Jutil.exp
JUtil.obj : error LNK2001: unresolved external symbol __imp__FindWindowA@8
JUtil.obj : error LNK2001: unresolved external symbol __imp__SetWindowPos@28
Jutil.dll : fatal error LNK1120: 2 unresolved externals
어디가 잘못되었는지 가르쳐주세요...