swift发短信

import MessageUI

// MARK: - composeMail

    privatefunccomposeMail(){

        guard MFMessageComposeViewController.canSendText() else {

            print("不能发送短信")

            return

        }

        let messageVC = MFMessageComposeViewController()

        messageVC.messageComposeDelegate = self // 代理

        messageVC.recipients= ["18346400992"]// 收件人

        messageVC.body="美好生活"// 内容

        // 发送主题

        if MFMessageComposeViewController.canSendSubject() {

            messageVC.subject="年"

        }

        // 发送附件

        if MFMessageComposeViewController.canSendAttachments() {

            // 路径添加

            ifletpath =Bundle.main.path(forResource:"Info", ofType:"plist") {

                messageVC.addAttachmentURL(URL(fileURLWithPath: path), withAlternateFilename:"Info.plist")

            }

            // NSData添加

            if MFMessageComposeViewController.isSupportedAttachmentUTI("public.png") {

                // See [Uniform Type Identifiers Reference](https://developer.apple.com/library/ios/documentation/Miscellaneous/Reference/UTIRef/Introduction/Introduction.html)

                ifletimage =UIImage(named:"bottom_logo") {

                    ifletdata =UIImagePNGRepresentation(image) {

                        // 添加文件

                        messageVC.addAttachmentData(data, typeIdentifier:"public.png", filename:"bottom_logo.png")

                    }

                }

            }

        }

        // messageVC.disableUserAttachments() // 禁用添加附件按钮

        self.present(messageVC, animated:true, completion:nil)

    }

    // MARK: - MFMessageComposeViewControllerDelegate

    funcmessageComposeViewController(_controller:MFMessageComposeViewController, didFinishWith result:MessageComposeResult) {

        print(controller.attachmentsasAny)// 所有附件

        // 关闭MFMessageComposeViewController

        controller.dismiss(animated:true, completion:nil)

        switchresult {// 发送状态

        caseMessageComposeResult.cancelled:

            print("Result: Mail sending cancelled") // 取消发送

        caseMessageComposeResult.sent:// 发送成功

            print("Result: Mail sent")

        caseMessageComposeResult.failed:// 发送失败

            print("Result: Message sending failed")

        }

    }