- (void)viewDidLoad

{

    GetWebInfo *getwebinfo=[GetWebInfo alloc];

    NSString *myparameters=[[NSString alloc] initWithString:[NSString stringWithFormat:@"Method=getSingleNewsbyId&new_id=%@",mynewid]];

    getwebinfo.parameters=myparameters;

    NSString *webReturnMessage=[getwebinfo dogetWebInfo];

    NSData* jsonData=[webReturnMessage dataUsingEncoding:NSUTF8StringEncoding];

    NSArray *keys =   [NSJSONSerialization

                       JSONObjectWithData:jsonData

                       options:NSJSONReadingMutableContainers

                       error:nil];

    //  NSLog(@"%@",keys);

    timelabel.text=[[keys objectAtIndex:]valueForKey:@"time"];

    titlelabel.text=[[keys objectAtIndex: ]valueForKey:@"title"];

    contenttextview.text=[[keys objectAtIndex: ]valueForKey:@"contents"];

      NSInteger i=;

    if(haveimage)

    {

        images=[[[keys objectAtIndex: ]valueForKey:@"images"] componentsSeparatedByString:@","];

        for (NSString *singleimage in images) {

            NSData *newimage=[Base64AndImageHelp mydataWithBase64EncodedString:singleimage];

            UIImage *newjiaban=[[UIImage alloc] initWithData:newimage];

            UIImageView *imageView = [[UIImageView alloc] init];

            [self.mainscrollview addSubview:imageView];

            imageView.frame = CGRectMake( ,*i+,,);//left ,top ,width ,height

            imageView.image=newjiaban;

            i++;

        }

    }

 if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)

    {

        NSInteger newSizeH;

        float fPadding = 16.0; // 8.0px x 2

        CGSize constraint = CGSizeMake(contenttextview.contentSize.width - fPadding, CGFLOAT_MAX);

        CGSize size = [contenttextview.text sizeWithFont: contenttextview.font

                                    constrainedToSize:constraint

                                        lineBreakMode:UILineBreakModeWordWrap];

        newSizeH = size.height + 16.0 - ;

        contenttextview.frame=CGRectMake( ,*i+,,newSizeH);

        mainscrollview.contentSize=CGSizeMake(, +*i+newSizeH);

    }

    else

    {

        CGSize size = [[contenttextview text] sizeWithFont:[contenttextview font]];

        int length = size.height;  // 2. 取出文字的高度

        int colomNumber = contenttextview.contentSize.height/length;  //3. 计算行数

        contenttextview.frame=CGRectMake( ,*i+,,colomNumber*);

        mainscrollview.contentSize=CGSizeMake(, +*i+colomNumber*);

    }

    [super viewDidLoad];

    // Do any additional setup after loading the view from its nib.

}