参考：http://blog.csdn.net/xiaominghimi/article/details/7602984

//java中string转C++中string

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)

//jstring to char*

std::string jstringTostring(JNIEnv* env,jstring jstr)

{

char* rtn = NULL;

jclass clsstring = env->FindClass("java/lang/String");

jstring strencode = env->NewStringUTF("utf-8");

jmethodID mid = env->GetMethodID(clsstring,"getBytes","(Ljava/lang/String;)[B");

jbyteArray barr= (jbyteArray)env->CallObjectMethod(jstr,mid,strencode);

jsize alen = env->GetArrayLength(barr);

jbyte* ba = env->GetByteArrayElements(barr,JNI_FALSE);

if (alen > 0)

{

rtn = (char*)malloc(alen + 1);

memcpy(rtn,ba,alen);

rtn[alen] = 0;

}

env->ReleaseByteArrayElements(barr,0);

std::string stemp(rtn);

free(rtn);

return stemp;

}

#endif

//调用手机信息接口

std::string callJinPhoneNum() {

std::string strNum;

//Android：调用手机号码接口

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)

JniMethodInfo minfo;

bool isHave;

isHave = JniHelper::getStaticMethodInfo(minfo,PACKAGE_NAME,"getPhoneNum","()Ljava/lang/String;");

if (!isHave) {

log("JNI：exitGame method is not exist");

}

else{

jstring jsNum = (jstring)minfo.env->CallStaticObjectMethod(minfo.classID,minfo.methodID);

strNum = jstringTostring(minfo.env,jsNum);

}

#endif

return strNum;

} void callJinTime(std::string strTime) { #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) JniMethodInfo minfo; bool isHave; isHave = JniHelper::getStaticMethodInfo(minfo,"getTime","(Ljava/lang/String;)V"); if (!isHave) { log("JNI：exitGame method is not exist"); } else{ jstring jstr = minfo.env->NewStringUTF(strTime.c_str()); minfo.env->CallStaticObjectMethod(minfo.classID,minfo.methodID,jstr); } #endif }

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