将C结构体MVID_CODE_INFO_LIST转换为Java类并使用JNA调用
以下是将给定的C结构体转换成等效的Java类的代码,其中使用了JNA库进行调用:
import com.sun.jna.Structure;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
public class MVID_CODE_INFO_LIST extends Structure {
public int nCodeNum;
public MVID_CODE_INFO[] stCodeInfo = new MVID_CODE_INFO[MVID_MAX_CODENUM];
public int[] nReserved = new int[32];
public static final int MVID_MAX_CODENUM = 10;
public static class ByReference extends MVID_CODE_INFO_LIST implements Structure.ByReference { }
public static class ByValue extends MVID_CODE_INFO_LIST implements Structure.ByValue { }
public MVID_CODE_INFO_LIST() {
super();
}
public MVID_CODE_INFO_LIST(Pointer p) {
super(p);
}
public static MVID_CODE_INFO_LIST fromNative(Pointer p) {
return Structure.newInstance(MVID_CODE_INFO_LIST.class, p);
}
public static MVID_CODE_INFO_LIST[] newArray(int arrayLength) {
return Structure.newArray(MVID_CODE_INFO_LIST.class, arrayLength);
}
@Override
protected ByReference newInstance() {
return new ByReference();
}
@Override
public void read() {
super.read();
stCodeInfo = new MVID_CODE_INFO[MVID_MAX_CODENUM];
for (int i = 0; i < MVID_MAX_CODENUM; i++) {
stCodeInfo[i].read();
}
}
@Override
public void write() {
super.write();
for (int i = 0; i < MVID_MAX_CODENUM; i++) {
stCodeInfo[i].write();
}
}
}
请确保已经将JNA库添加到项目依赖中。现在,您可以使用此Java类来调用C代码中的函数。
原文地址: http://www.cveoy.top/t/topic/pjfW 著作权归作者所有。请勿转载和采集!