摘要： 1. string 转换为 NSString std::string str("hello"); NSString *str=[NSString stringWithString:str.c_str()]; NSString *istr=[NSString stringWithString:@"zsh"]; str=[istr cStringUsingEncoding: NSUTF8StringEncoding]; NSString *path= [[NSBundle mainBundle]pathForResource:@"nokia&quo 阅读全文