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[操作系统]【代码笔记】书架页面


一,效果图。

二,工程图。

三,代码。

RootViewController.h

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

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#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
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RootTableViewCell.h

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

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#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;}
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