【ipad开发】数组成员类型的问题 错误: NSString *tmpstr=[states objectAtIndex:indexPath.row]; 报错:EXC_BAD_ACCESS 正确: NSString *tmpstr=(NSString *)[states objectAtIndex:indexPath.row]; 字符串数组根据索引取得的成员类型为 NSCFstring 需要转换一下 错误:NSString *tmpstr=[states objectAtIndex:indexPath.row];报错:EXC_BAD_ACCESS 正确:NSString *tmpstr=(NSString *)[states objectAtIndex:indexPath.row];