java 通过jna 调用 dll

java 通过jna 调用 dll

1、引入jna jar包

		<dependency>
			<groupId>net.java.dev.jna</groupId>
			<artifactId>jna</artifactId>
			<version>4.1.0</version>
		</dependency>

2、Java代码如下

import com.sun.jna.Library;

import com.sun.jna.Native;

import com.sun.jna.Platform;

 


public class DllTest {

 

    public interface CLibrary extends Library {

        CLibrary INSTANCE = (CLibrary)

            Native.loadLibrary((Platform.isWindows() ? "libdll.dll" : "libdll.so"),

                               CLibrary.class);

         public int add(int a,int b);
         public int sub(int a,int b);
    }

 

    public static void main(String[] args) {

        int b = CLibrary.INSTANCE.add(2, 4);

        System.out.println(b);
        
        
        int c = CLibrary.INSTANCE.sub(5, 3);
        System.out.println(c);

    }

}