IOS发送电子邮件

简介

我们可以使用IOS设备中的电子邮件应用程序发送电子邮件。

实例步骤

1、创建一个简单的View based application

2、选择项目文件,然后选择目标,然后添加MessageUI.framework

3、在ViewController.xib中添加一个按钮,创建用于发送电子邮件的操作(action)

4、更新ViewController.h,如下所示

#import <UIKit/UIKit.h>
#import <MessageUI/MessageUI.h>
@interface ViewController : UIViewController<MFMailComposeViewControllerDelegate>
{
 MFMailComposeViewController *mailComposer;
}
-(IBAction)sendMail:(id)sender;
@end

5、如下所示,更新ViewController.m

#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
 [super viewDidLoad]; 
}
- (void)didReceiveMemoryWarning
{
 [super didReceiveMemoryWarning];
 // Dispose of any resources that can be recreated.
}
-(void)sendMail:(id)sender{
 mailComposer = [[MFMailComposeViewController alloc]init];
 mailComposer.mailComposeDelegate = self;
 [mailComposer setSubject:@"Test mail"];
 [mailComposer setMessageBody:@"Testing message 
 for the test mail" isHTML:NO];
 [self presentModalViewController:mailComposer animated:YES];
}
#pragma mark - mail compose delegate
-(void)mailComposeController:(MFMailComposeViewController *)controller 
 didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{
 if (result) {
 NSLog(@"Result : %d",result);
 }
 if (error) {
 NSLog(@"Error : %@",error);
 }
 [self dismissModalViewControllerAnimated:YES];
}
@end

输出

当运行该应用程序,会看如下的输出结果

sendEmailOutput1

当点击"send email"发送按钮后,可以看到如下结果:

sendEmailOutput2

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