IOS代码笔记之仿电子书书架效果

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController<UITableViewDataSource,UITableViewDelegate>{ NSMutableArray * dataArray; UITableView * myTableView;}@end 

#import "RootViewController.h"//cell#import "RootTableViewCell.h"@interface RootViewController ()@end@implementation RootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{ self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self;}- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view.  //初始化背景图 [self initBackGroundView]; }#pragma -mark -functions-(void)initBackGroundView{ self.title=@"书架页面";  dataArray=[[NSMutableArray alloc]initWithObjects:@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9", nil];  myTableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, 320, 416) style:UITableViewStylePlain]; myTableView.delegate = self; myTableView.dataSource = self; [self.view addSubview:myTableView];}#pragma -mark -UITableViewDelegate-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return 3;}-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ return 376/3; }-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ RootTableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:@"ID"]; if(cell == nil) { cell =[[RootTableViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"ID"]; }  cell.tag = indexPath.row;  [cell.bookLeft addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside]; [cell.bookMiddle addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside]; [cell.bookRight addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];  [cell.bookLeft setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"%@.jpg",[dataArray objectAtIndex:indexPath.row*3]]] forState:UIControlStateNormal]; [cell.bookMiddle setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"%@.jpg",[dataArray objectAtIndex:indexPath.row*3+1]]] forState:UIControlStateNormal]; [cell.bookRight setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"%@.jpg",[dataArray objectAtIndex:indexPath.row*3+2]]] forState:UIControlStateNormal]; NSLog(@"--celll.tag--%ld",cell.tag); return cell; }#pragma -mark -doClickActions-(void)buttonClick:(UIButton*)btn{ RootTableViewCell * cell = (RootTableViewCell *)[[btn superview] superview]; NSIndexPath * path = [myTableView indexPathForCell:cell]; NSLog(@"--点击图片的时候，所在的坐标-(%ld,%ld)--",path.row,btn.tag);}- (void)didReceiveMemoryWarning{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}@end 

#import <UIKit/UIKit.h>@interface RootTableViewCell : UITableViewCell@property(nonatomic,strong) UIButton * bookLeft;@property(nonatomic,strong) UIButton * bookMiddle;@property(nonatomic,strong) UIButton * bookRight;@end 

#import "RootTableViewCell.h"@implementation RootTableViewCell@synthesize bookLeft;@synthesize bookMiddle;@synthesize bookRight;- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{ self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if (self) { // Initialization code  UIImageView * imageview= [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 416/3)]; imageview.image = [UIImage imageNamed:@"BookShelfCell.png"]; [self addSubview:imageview];  bookLeft = [UIButton buttonWithType:UIButtonTypeCustom]; bookLeft.frame = CGRectMake(10, 10, 280/3, 376/3-20); bookLeft.tag = 1;  bookMiddle = [UIButton buttonWithType:UIButtonTypeCustom]; bookMiddle.frame = CGRectMake(20+280/3, 10, 280/3, 376/3-20); bookMiddle.tag = 2;  bookRight = [UIButton buttonWithType:UIButtonTypeCustom]; bookRight.frame = CGRectMake(30+280/3*2, 10, 280/3, 376/3-20); bookRight.tag = 3;  [self addSubview:bookLeft]; [self addSubview:bookMiddle]; [self addSubview:bookRight]; } return self;}