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1,这种方法,拨打完电话回不到原来的应用,会停留在通讯录里,而且是直接拨打,不弹出提示 NSMutableString * str=[[NSMutableString alloc] initWithFormat:@"tel:%@",@"186xxxx6979"]; //NSLog(@"str======%@",str); [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]]; 2,这种方法,打完电话后还会回到原来的程序,也会弹出提示,推荐这种 NSMutableString * str=[[NSMutableString alloc] initWithFormat:@"tel:%@",@"186xxxx6979"]; UIWebView * callWebview = [[UIWebView alloc] init]; [callWebview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:str]]]; [self.view addSubview:callWebview]; 3,这种方法也会回去到原来的程序里(注意这里的telprompt),也会弹出提示 NSMutableString * str=[[NSMutableString alloc] initWithFormat:@"telprompt://%@",@"186xxxx6979"]; //NSLog(@"str======%@",str); [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]]