您好我想从我的应用程序打开电子邮件程序,并且已经定义了正文.我可以打开电子邮件但不知道如何将eMail的主体定义为给定的参数以显示给定的标准文本.有人可以帮忙吗?继承人我用来打开电子邮件的代码: 
  
  
 
//EMAIL
let email = "foo@bar.com"
let urlEMail = NSURL(string: "mailto:\(email)")
if UIApplication.sharedApplication().canopenURL(urlEMail!) {
                UIApplication.sharedApplication().openURL(urlEMail!)
} else {
print("Ups")
}
解决方法
 您可以使用MFMailComposeViewController执行此操作: 
  
  
 
        import MessageUI
let mailComposerVC = MFMailComposeViewController()
mailComposerVC.mailComposeDelegate = self
mailComposerVC.setToRecipients(["email@email.com"])
mailComposerVC.setSubject("Subject")
mailComposerVC.setMessageBody("Body",isHTML: false)
self.presentViewController(mailComposerVC,animated: true,completion: nil) 
 此外,您需要实现mailComposeController:didFinishWithResult:error:来自MFMailComposeViewControllerDelegate,您应该关闭MFMailComposeViewController