IOS 在App中发送SMS短信

//Import the MessageUI Framework into your project and
//#import the header file into the “.h” file of your controller
//where you want to open the In-App SMS sheet.
-(IBAction)sendInAppSMS:(id) sender
{
MFMessageComposeViewController*controller =
[[[MFMessageComposeViewControlleralloc] init] autorelease];
if([MFMessageComposeViewControllercanSendText])
{
controller.body= @"Hello from Mugunth";
controller.recipients= [NSArray arrayWithObjects:
@"12345678",@"87654321", nil];
controller.messageComposeDelegate= self;
[selfpresentModalViewController:controlleranimated:YES];
}
}