cocos2d CCDictionary

    CCDictionary* dict=CCDictionary::create();
    CCString* str1=CCString::create("123");
    CCString* str2=CCString::create("456");
    dict->setObject(str1,"key1");
    dict->setObject(str2,"key2");
    CCString* tempStr=(CCString *)dict->objectForKey("key2");
    CCLOG("%s",tempStr->getCString());

CCDictionary就是一个map