JNI DETECTED ERROR IN APPLICATION: can't call void com.example.wxy.ndks.Utils.fun3() on instance of
//cmake使用JNIEXPORTvoidJNICALLJava_com_example_wxy_ndks_Utils_funs2(JNIEnv*env,jobjectinstance,jstringmethodName_,jstringmethodSign_){char*methodName=jstringToChar(env,methodName_);//方法名称char*methodSig