OBShapedButton * sharebtn = [OBShapedButton buttonWithType:UIButtonTypeCustom];sharebtn.frame = CGRectMake(10, 40, 300, 436);[sharebtn setImage:[UIImage imageNamed:@"xiepinglun_backgound_cut.png"] forState:UIControlStateNormal];[sharebtn addTarget:self action:@selector(onTop) forControlEvents:UIControlEventTouchUpInside];[self.view addSubview:sharebtn];

-(BOOL)textFieldShouldReturn:(UITextField *)textField
{[textField resignFirstResponder];return YES;
}-(BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{  if ([text isEqualToString:@"\n"]) {  [textView resignFirstResponder];  return NO;  }  return YES;
}  

//字符串替换
self.finalStr = [self.tempStr stringByReplacingOccurrencesOfString:@"</p>" withString:@" "];
//将数组元素反向排列
[self.articleList reverseObjectEnumerator];

//把NSLog换成DLog，以后就不用一个一个删除
#ifdef DEBUG
#    define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
#    define DLog(...)
#endif// ALog always displays output regardless of the DEBUG setting
#define ALog(fmt, ...) NSLog((@"%s [line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);

//判断设备是不是iphone5
#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

    if (iPhone5) {// Initialization code ...}

    static NSString *CellIdentifier = @"Cell";MyCustomCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];// Configure the cell...if (cell == nil) {cell = [[[MyCustomCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier]autorelease];}//设置选中后cell的背景颜色，有黑色，灰色，蓝色，和不显示颜色四种cell.selectionStyle = UITableViewCellAccessoryNone;

    //判断程序是否第一次进入if (![[NSUserDefaults standardUserDefaults]boolForKey:@"everLaunched"]) {[[NSUserDefaults standardUserDefaults]setBool:YES forKey:@"everLaunched"];[[NSUserDefaults standardUserDefaults]setBool:YES forKey:@"firstLaunch"];}else{[[NSUserDefaults standardUserDefaults]setBool:NO forKey:@"firstLaunch"];}// Save changes to disk[[NSUserDefaults standardUserDefaults] synchronize];

-(void)firstLaunch
{if ([[NSUserDefaults standardUserDefaults]boolForKey:@"firstLaunch"]){// Initialization code}else{// Initialization code
    }
}

#import "NetworkChecker.h" 

-(BOOL)checkNetwork;

- (BOOL)checkNetwork {NetworkChecker *networkchecker = [NetworkChecker sharedNetworkChecker];if ([networkchecker networkStatus] == NotReachable) {return NO;//返回NO是没网状态} else {return YES;//返回YES是有网状态
    }
}

if (![self checkNetwork]) {//当没有网络时执行的方法             

}else{//有网情况下执行方法   

}

 NSString * str = [NSString stringWithFormat:@"http://star.eliteworkltd.com:8002/?json=1&p=1413"];NSURL * url = [NSURL URLWithString:str];//__block的作用是能在setCompletionBlock的内部访问外部的方法__block ASIHTTPRequest * request = [ASIHTTPRequest requestWithURL:url];[request setRequestMethod:@"GET"];[request setCompletionBlock:^{//相当于ASi的RequestFinished方法
}];[request setFailedBlock:^{//相当于ASI的RequestFailed方法
UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"亲" message:@"非常抱歉" delegate:nil cancelButtonTitle:@"您的网络不给力（︶︿︶）。。。" otherButtonTitles:nil, nil];[alert show];[alert release];}];//启动异步执行[request startAsynchronous];

#import "UIImageView+WebCache.h"

[cell.imageview2 setImageWithURL:[NSURL URLWithString:url] placeholderImage:[UIImage imageNamed:@"57.png"]];

#import <QuartzCore/QuartzCore.h>

        //保存图片到相册UIGraphicsBeginImageContext(self.view.bounds.size);//当前视图
        [self.view.layer renderInContext:UIGraphicsGetCurrentContext()];UIImage * viewImage = UIGraphicsGetImageFromCurrentImageContext();UIGraphicsEndImageContext();UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"亲" message:@"图片已经为您保存到相册" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];[alert show];[alert release];

#import <MessageUI/MFMailComposeViewController.h>@interface DetailViewController : UIViewController<MFMailComposeViewControllerDelegate>
{}@end

//激活邮件功能
[self sendMailInApp];

#pragma mark ------- Send Email-(void)sendMailInApp
{Class mailClass = (NSClassFromString(@"MFMailComposeViewController"));if (mailClass != nil){if ([mailClass canSendMail]) {[self displayComposerSheet];}else {[self launchMailAppOnDevice];}}else {[self launchMailAppOnDevice];}
}-(void)displayComposerSheet
{MFMailComposeViewController * mailPicker = [[[MFMailComposeViewController alloc]init] autorelease];mailPicker.mailComposeDelegate = self;//设置主题[mailPicker setSubject:[NSString stringWithFormat:@"%@%@%@%@",@"分享自张梦格APP",@"《",self.titleString,@"》"]];//添加发送者NSArray * toRecipients = [NSArray arrayWithObject:@"first@example.com"];[mailPicker setToRecipients:toRecipients];/*//email正文里添加图片UIImage * addPic = [UIImage imageNamed:@"123.jpg"];NSData * imageData = UIImagePNGRepresentation(addPic);[mailPicker addAttachmentData:imageData mimeType:@"" fileName:@"123.jpg"];*/NSString * emailBody = nil;[mailPicker setMessageBody:emailBody isHTML:YES];[self presentModalViewController:mailPicker animated:YES];   }-(void)launchMailAppOnDevice
{NSString * recipients = @"mailto:first@example.com&subject=my email!";NSString * body = @"&body=email body!";NSString * email = [NSString stringWithFormat:@"%@%@",recipients,body];email = [email stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];[[UIApplication sharedApplication]openURL:[NSURL URLWithString:email]];}-(void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{NSString * message;switch (result) {case MFMailComposeResultCancelled://用户取消编辑邮件message = @"邮件发送取消";break;case MFMailComposeResultSaved:    //用户成功保存邮件message = @"邮件保存成功";break;case MFMailComposeResultSent:     //用户点击发送，将邮件放到队列中message = @"邮件发送成功";break;case MFMailComposeResultFailed:   //用户试图保存或者发送邮件失败message = @"邮件发送失败";break;default:break;}DLog(@"%@", message);[self dismissModalViewControllerAnimated:YES];
}