参考:http://blog.csdn.net/xiaominghimi/article/details/7602984
</pre><pre code_snippet_id="1607324" snippet_file_name="blog_20160312_3_5324342" name="code" class="cpp">//java中string转C++中string
<pre name="code" class="html">#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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