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Step 1:
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public class testdll {
static{
System.loadLibrary("testdll");
}
public native static int get();
public native static void set(int i);
public static void main(String[] args) {
testdll test = new testdll();
test.set(10);
System.out.println(test.get());
}
}
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Step 2:
¸ù¾Ýtestdll.hдC++Îļþtestdll.cpp
testdll.cppÄÚÈÝΪ£º
#include "testdll.h"
int i = 0;
JNIEXPORT jint JNICALL Java_testdll_get (JNIEnv *, jclass) {
return 2*i;
}
JNIEXPORT void JNICALL Java_testdll_set (JNIEnv *, jclass, jint j) {
i = j;
}
Step 3:
Éú³Étestdll.dll
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