C++调用java的方法

// env.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>#include <string>#include <assert.h>#include "jni.h"using namespace std;#pragma comment(lib,"jvm.lib")int main(int argc, char* argv[]){int res;JavaVM* jvm;JNIEnv* env;JavaVMInitArgs vm_args;JavaVMOption options[3];options[0].optionString = "-Djava.compiler=NONE";options[1].optionString = "-Djava.class.path=.;D:\\android\\eclipse4.2\\workspace\\jni\\bin\\"; // .. is specially for this projectoptions[2].optionString = "-verbose:jni";vm_args.version = JNI_VERSION_1_4;vm_args.nOptions = 3;vm_args.options = options;vm_args.ignoreUnrecognized = JNI_TRUE;res = JNI_CreateJavaVM (& jvm, (void* * )& env, & vm_args);if (res < 0)  {  return -1;  }  if (res < 0) {fprintf (stderr, "Can't create Java VM\n");return 1;}jclass cls = env->FindClass ("cn/yws/jni/Main");assert (0 != cls);jmethodID mid = env->GetMethodID(cls,"sayHello","(Ljava/lang/String)V");jobject obj=env->NewObject(cls,mid);env->CallVoidMethod(obj,mid,"hehe");printf("ok");getchar();return 0;}

http://public0821.iteye.com/blog/423941