发送邮件--MFMailComposeViewController

只能在真机使用.

模拟器没有E-mail发送功能.无法调用

#import "EmailViewController.h"

#import <UIKit/UIKit.h>

#import <MessageUI/MFMailComposeViewController.h>

@interface EmailViewController ()<MFMailComposeViewControllerDelegate>

@end

@implementation EmailViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

UIButton *btn=[UIButton buttonWithType:UIButtonTypeCustom];

btn.frame=CGRectMake(20, 100, 200, 100);

[btn addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:btn];

}

-(void)click

{

Class mailClass = (NSClassFromString(@"MFMailComposeViewController"));

if (!mailClass) {

[self alertWithMessage:@"当前系统版本不支持应用内发送邮件功能，您可以使用mailto方法代替"];

return;

}

if (![mailClass canSendMail]) {

[self alertWithMessage:@"用户没有设置邮件账户"];

return;

}

[self displayMailPicker];

}

- (void)displayMailPicker

{

MFMailComposeViewController *mailPicker = [[MFMailComposeViewController alloc] init];

mailPicker.mailComposeDelegate = self;

//设置主题

[mailPicker setSubject: @"主题"];

//添加收件人

NSArray *toRecipients = [NSArray arrayWithObject: @"liuliuliu@hotmail.com"];

[mailPicker setToRecipients: toRecipients];

//添加抄送

//NSArray *ccRecipients = [NSArray arrayWithObjects:@"second@example.com", @"third@example.com", nil];

//[mailPicker setCcRecipients:ccRecipients];

//添加密送

//NSArray *bccRecipients = [NSArray arrayWithObjects:@"fourth@example.com", nil];

//[mailPicker setBccRecipients:bccRecipients];

// 添加一张图片

UIImage *addPic = [UIImage imageNamed: @"Icon@2x.png"];

NSData *imageData = UIImagePNGRepresentation(addPic); // png

//关于mimeType：http://www.iana.org/assignments/media-types/index.html

[mailPicker addAttachmentData: imageData mimeType: @"" fileName: @"Icon.png"];

NSString *emailBody = @"<font color='red'>eMail</font> 正文";

[mailPicker setMessageBody:emailBody isHTML:YES];

//[self presentModalViewController: mailPicker animated:YES];

[self presentViewController:mailPicker animated:YES completion:nil];

}

#pragma mark - 实现 MFMailComposeViewControllerDelegate

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error

{

//关闭邮件发送窗口

//[self dismissModalViewControllerAnimated:YES];

[self dismissViewControllerAnimated:YES completion:nil];

NSString *msg;

switch (result) {

case MFMailComposeResultCancelled:

msg = @"用户取消编辑邮件";

break;

case MFMailComposeResultSaved:

msg = @"用户成功保存邮件";

break;

case MFMailComposeResultSent:

msg = @"用户点击发送，将邮件放到队列中，还没发送";

break;

case MFMailComposeResultFailed:

msg = @"用户试图保存或者发送邮件失败";

break;

default:

msg = @"";

break;

}

[self alertWithMessage:msg];

}

- (void)alertWithMessage:(NSString*)message

{

UIAlertView *alert = [[UIAlertView alloc]initWithTitle:nil

message:message

delegate:nil

cancelButtonTitle:@"确定"

otherButtonTitles:nil, nil];

[alert show];

}