JNA.jar-JNative.jar-jinvoke.jar-dll创建-JAVA调用-VC调用

package test; import org.xvolks.jnative.JNative; import org.xvolks.jnative.Type; import org.xvolks.jnative.exceptions.NativeException; import org.xvolks.jnative.util.Kernel32.SystemTime; public class TestJNative { /** * 获取系统时间 * @return * @throws NativeException * @throws IllegalAccessException */ public static SystemTime GetSystemTime() throws NativeException, IllegalAccessException { // Kernel32.dll为dll名称,Kernel32目录的位置为:C:\Windows\System32下面, // GetSystemTime为Kernel32.dll中的一个方法. JNative nGetSystemTime = new JNative("Kernel32.dll", "GetSystemTime"); SystemTime systemTime = new SystemTime(); // 设置参数 nGetSystemTime.setParameter(0, systemTime.getPointer()); nGetSystemTime.invoke(); // 解析结构指针内容 return systemTime.getValueFromPointer(); } /** * 编写调用dll例子 加法测试 * @return * @throws NativeException * @throws IllegalAccessException */ public static int Add(int a, int b) throws NativeException, IllegalAccessException { JNative jnative = new JNative("CreateDLL.dll", "Add"); jnative.setRetVal(Type.INT); jnative.setParameter(0, Type.INT, ""+a); jnative.setParameter(1, Type.INT, ""+b); jnative.invoke(); return jnative.getRetValAsInt(); } public static void main(String[] args) throws IllegalAccessException, NativeException { System.out.println(GetSystemTime()); System.out.println(Add(3, 4)); } }