Java中的loadLibrary
方法用于加载动态链接库(DLL、SO等)文件。以下是使用loadLibrary
方法的步骤:
LibraryLoader
。public class LibraryLoader {
public static native void loadLibrary(String libraryName);
}
System.loadLibrary()
方法来加载本地方法。例如:public class Main {
public static void main(String[] args) {
System.loadLibrary("myLibrary");
}
}
javac
命令编译Java类:javac LibraryLoader.java
javah
命令生成C/C++头文件:javah -jni LibraryLoader
#include
#include
#include "LibraryLoader.h"
JNIEXPORT void JNICALL Java_LibraryLoader_loadLibrary(JNIEnv *env, jclass cls, jstring libraryName) {
const char *name = (*env)->GetStringUTFChars(env, libraryName, NULL);
// 加载动态链接库
if (name != NULL) {
printf("Loading library: %s\n", name);
// 加载动态链接库的代码
(*env)->ReleaseStringUTFChars(env, libraryName, name);
}
}
gcc -shared -I"%JAVA_HOME%\include" -I"%JAVA_HOME%\include\win32" LibraryLoader.c -o myLibrary.dll
gcc -shared -I"$JAVA_HOME/include" -I"$JAVA_HOME/include/linux" LibraryLoader.c -o libmyLibrary.so
loadLibrary
方法加载动态链接库。辰迅云「云服务器」,即开即用、新一代英特尔至强铂金CPU、三副本存储NVMe SSD云盘,价格低至29元/月。点击查看>>
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