iOS 拨打电话的代码

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自己写的拨打电话的代码

#pragma mark - telAction- (void)telAction{    // 进入拨打电话页面    UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"服务时间：工作日 09:00-17:30" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:[NSString stringWithFormat:@"呼叫：%@-%@-%@",[kCustomerService substringToIndex:3],[kCustomerService substringWithRange:NSMakeRange(3, 3)],[kCustomerService substringFromIndex:6]] otherButtonTitles:nil];    actionSheet.actionSheetStyle = UIActionSheetStyleAutomatic;    [actionSheet showInView:self.view];}#pragma mark - UIActionSheetDelegate- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex{    if (buttonIndex != [actionSheet cancelButtonIndex]) {        NSString *URLString = [NSString stringWithFormat:@"tel://%@", kCustomerService];                if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:URLString]]) {            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:URLString]];        } else {            [self toast:@"当前设备中没有通话功能"];        }    }}

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