View和Controller代码组织

//
//  MyView.h
//

#import <UIKit/UIKit.h>

@interface MyView : UIView {
    UIButton* m_button;
}

/**
 * 关联event,delegate
 */
-(void)connection:(id)target;
-(void)setButtonText:(NSString*)text;

@end

//
//  MyView.m
//

#import "MyView.h"
@implementation MyView


- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        /**
         * 组装view
         */
        m_button = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
        [m_button setTitle:@"tap me!" forState:UIControlStateNormal];
        [self addSubview:m_button];
    }
    return self;
}

-(void)connection:(UIController*)target{
    [m_button addTarget:target action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];
}

-(void)setButtonText:(NSString*)text{
    [m_button setTitle:text forState:UIControlStateNormal];
}

/**
 * 调整布局
 */
-(void)layoutSubviews{
     m_button.frame = CGRectMake(100, 100, 64, 24);
}

- (void)dealloc
{
    [m_button release];
    [super dealloc];
}

@end

//
//  MyController.h
//

#import <UIKit/UIKit.h>

@class MyView;
@interface MyController : UIViewController {
    /**
     * 关联view
     */
    MyView* m_myView;
    
    /**
     * 模型数据
     */
    NSInteger m_tapCount;
}

@end

//
//  MyController.m
//

#import "MyController.h"
#include "MyView.h"

@implementation MyController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        /**
         * 初始化controller
         */
        self->m_tapCount = 0;
    }
    return self;
}

- (void)dealloc
{
    [m_myView release];
    [super dealloc];
}

//-(void)didReceiveMemoryWarning
//{
//    [super didReceiveMemoryWarning];
//}

#pragma mark - event

-(void)buttonClick:(id)sender{
    [m_myView setButtonText:[NSString stringWithFormat:@"%d", ++self->m_tapCount]];
}

/**
 * 加载自定义view
 */
- (void)loadView
{
    m_myView = [[MyView alloc] initWithFrame:CGRectZero];
    self.view = m_myView;
    [m_myView connection:self];
}

//- (void)viewDidLoad
//{
//    [super viewDidLoad];
//}
//
//- (void)viewDidUnload
//{
//    [super viewDidUnload];
//}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end