iOS打电话功能

方法一:

 NSURL * url = [NSURL URLWithString:@"TEL:10086"];            [[UIApplication sharedApplication]openURL:url];

方法二:

NSMutableString * str=[[NSMutableString alloc] initWithFormat:@"tel:%@",@"10086"];            UIWebView * callWebview = [[UIWebView alloc] init];            [callWebview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:str]]];            [self.view addSubview:callWebview];            [callWebview release];            [str release];