仿照iPhone实现电话，邮件，短信，博客功能

storyboard上创一个label--关于作者，Image View--导入一张图片, Text Viewxie写上文字 以及四个按钮打电话、发短信、写邮件、访博客

- (void)viewDidLoad {

    [superviewDidLoad];

    self.textview.text = @"清华大学\n中国总书记习近平\n中国常务委会李克强";

    // Do any additional setup after loading the view, typically from a nib.

}

- (IBAction)tel:(id)sender {

    

    [[UIApplicationsharedApplication] openURL:[NSURLURLWithString:@"tel://15083315209"]];//调用打电话

}

- (IBAction)sms:(id)sender {

    [[UIApplicationsharedApplication] openURL:[NSURLURLWithString:@"sms://1286540207" ]];//发短信

}

- (IBAction)email:(id)sender {

    [[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"mailto://[e-mail]"]];//发邮件

}

- (IBAction)web:(id)sender {

    [[UIApplicationsharedApplication] openURL:[NSURLURLWithString:@"http://blog.csdn.net/?ref=toolbar_logo"]];//打开网页

}