iOS 重写UITableViewCell之动态获取label文字的宽度进行布局

                      

#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;


@end

#import "AppDelegate.h"
#import "MovieHomeController.h"
@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    self.window.backgroundColor = [UIColor whiteColor];
    
    UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:[[MovieHomeController alloc] init]];
    
    self.window.rootViewController = navi;
    
    
    [self.window makeKeyAndVisible];
    return YES;
}



@end

#import <UIKit/UIKit.h>

@interface MovieHomeController : UIViewController

@end

#import "MovieHomeController.h"
#import "CinemaInfomationCell.h"

//#import "SGFocusImageFrame.h"

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]
#define IS_IOS7 (IOS_VERSION >= 7.0 ? YES : NO)

#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width
#define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height
#define scale SCREEN_WIDTH/320.0
#define advertScrollView_height 100*scale

@interface MovieHomeController ()<UIScrollViewDelegate,UITableViewDataSource,UITableViewDelegate>
{
//    UIScrollView *_advertScrollView;
//    NSMutableArray *advertImages;
    UITableView *_tableView;
    
    NSMutableArray *datas;
}
//@property(nonatomic, strong) SGFocusImageFrame *bannerView;//banner栏
@end

@implementation MovieHomeController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"电影";
    
    datas = [[NSMutableArray alloc] init];
    NSArray *arr = @[@"哈艺时尚影城（白云YH城店）",@"20%",@"5",@"广州市白云区广州大道北28号梅花园商业中心302",@"6.2km",@"23",@"座",@"主题",@"满"];//立开
    [datas addObject:arr];
    
    self.view.backgroundColor = [UIColor lightGrayColor];
    _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height) style:UITableViewStylePlain];
    _tableView.dataSource = self;
    _tableView.delegate = self;
    [self.view addSubview:_tableView];

}

#pragma mark -- tableView 的数据源配置 --
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return datas.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return 100;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    static NSString *identifier = @"cell";
    CinemaInfomationCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    if (cell == nil) {
        cell = [[CinemaInfomationCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    NSArray *info = datas[indexPath.row];
    cell.cinemaName.text = info[0];
    cell.rebateAccount.text = [NSString stringWithFormat:@"返%@",info[1]];
    cell.score.text = [NSString stringWithFormat:@"%@分",info[2]];
    cell.address.text = info[3];
    cell.distance.text = info[4];
    cell.price.text = [NSString stringWithFormat:@"¥ %@",info[5]];
    cell.style.text = info[8];
    cell.theme.text = info[7];
    cell.seat.text = info[6];
//    NSLog(@"******%@",info[0]);
    return cell;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end

#import <UIKit/UIKit.h>

@interface CinemaInfomationCell : UITableViewCell

@property (nonatomic, strong) UILabel *cinemaName;//电影院名称
@property (nonatomic, strong) UILabel *rebateAccount;//返利金
@property (nonatomic, strong) UILabel *score; //等级评分
@property (nonatomic, strong) UILabel *address;//地址
@property (nonatomic, strong) UILabel *price;//价格
@property (nonatomic, strong) UILabel *distance;//距离
@property (nonatomic, strong) UILabel *seat;//座
@property (nonatomic, strong) UILabel *theme;//主题
@property (nonatomic, strong) UILabel *style;//满或其它的

@end

#import "CinemaInfomationCell.h"

#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width
#define top_height 5
#define cinemaName_height 30
#define rebateAccount_height 17
#define address_height 30
#define price_height 30
@interface CinemaInfomationCell ()
{
    UIView *line;//底部的细线
    UILabel *label;//起字
    UIView *verticalLine1;//竖线
    UIView *verticalLine2;//竖线
}
@end

@implementation CinemaInfomationCell

- (void)awakeFromNib {
    // Initialization code
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        self.cinemaName = [[UILabel alloc] init];
        [self addSubview:self.cinemaName];
        
        self.rebateAccount = [[UILabel alloc] init];
        
        self.rebateAccount.backgroundColor = [UIColor colorWithRed:60/255.0 green:229/255.0 blue:170/255.0 alpha:1];
        self.rebateAccount.font = [UIFont systemFontOfSize:10];
        self.rebateAccount.textColor = [UIColor whiteColor];
        self.rebateAccount.textAlignment = NSTextAlignmentCenter;
        self.rebateAccount.layer.cornerRadius = 5;
        self.rebateAccount.clipsToBounds = YES;
        [self addSubview:self.rebateAccount];
        
        self.score = [[UILabel alloc] init];
        self.score.layer.borderColor = [[UIColor colorWithRed:240/255.0 green:162/255.0 blue:140/255.0 alpha:1] CGColor];
        self.score.layer.borderWidth = 1.5;
        self.score.font = [UIFont systemFontOfSize:10];
        self.score.textColor = [UIColor colorWithRed:240/255.0 green:162/255.0 blue:140/255.0 alpha:1];
        self.score.layer.cornerRadius = 5;
        self.score.clipsToBounds = YES;
        self.score.textAlignment = NSTextAlignmentCenter;
        [self addSubview:self.score];
        
        self.address = [[UILabel alloc] init];
        self.address.textColor = [UIColor grayColor];
        self.address.font = [UIFont systemFontOfSize:11];
        self.address.backgroundColor = [UIColor clearColor];
        [self addSubview:self.address];
        
        self.distance = [[UILabel alloc] init];
        self.distance.textColor = [UIColor grayColor];
        self.distance.font = [UIFont systemFontOfSize:11];
        self.distance.backgroundColor = [UIColor clearColor];
        self.distance.textAlignment = NSTextAlignmentCenter;
        [self addSubview:self.distance];
        
        self.price = [[UILabel alloc] init];
        self.price.backgroundColor = [UIColor clearColor];
        self.price.font = [UIFont systemFontOfSize:17];
        self.price.textColor = [UIColor colorWithRed:182/255.0 green:0 blue:76/255.0 alpha:1.0];
        self.price.textAlignment = NSTextAlignmentRight;
        [self addSubview:self.price];
        
        //起字
        label = [[UILabel alloc] init];
        label.backgroundColor = [UIColor clearColor];
        label.textColor = [UIColor colorWithRed:182/255.0 green:0 blue:76/255.0 alpha:1.0];
        label.text = @" 起";
        label.textAlignment = NSTextAlignmentLeft;
        label.font = [UIFont systemFontOfSize:12];
        [self addSubview:label];
        
        self.style = [[UILabel alloc] init];
        self.style.backgroundColor = [UIColor clearColor];
        self.style.font = [UIFont systemFontOfSize:12];
        self.style.textColor = [UIColor grayColor];
        [self addSubview:self.style];
        
        verticalLine1 = [[UIView alloc] init];
        verticalLine1.backgroundColor = [UIColor grayColor];
        [self addSubview:verticalLine1];
        
        self.theme = [[UILabel alloc] init];
        self.theme.backgroundColor = [UIColor clearColor];
        self.theme.font = [UIFont systemFontOfSize:12];
        self.theme.textColor = [UIColor grayColor];
        self.theme.textAlignment = NSTextAlignmentCenter;
        [self addSubview:self.theme];
        
        verticalLine2 = [[UIView alloc] init];
        verticalLine2.backgroundColor = [UIColor grayColor];
        [self addSubview:verticalLine2];
        
        self.seat = [[UILabel alloc] init];
        self.seat.backgroundColor = [UIColor clearColor];
        self.seat.font = [UIFont systemFontOfSize:12];
        self.seat.textColor = [UIColor grayColor];
        self.seat.textAlignment = NSTextAlignmentRight;
        [self addSubview:self.seat];
        
        //底部的细线
        line = [[UIView alloc] init];
        line.backgroundColor = [UIColor colorWithRed:217/255.0 green:217/255.0 blue:217/255.0 alpha:1];
        [self addSubview:line];
        
        
    }
    return self;
}

- (void)layoutSubviews{
    [super layoutSubviews];
    //计算文字的宽度
    self.cinemaName.numberOfLines = 1;
    UIFont *font = [UIFont fontWithName:@"Arial" size:15];
    self.cinemaName.font = font;
    CGSize constraint = CGSizeMake(self.frame.size.width - 80, 20000);
    CGSize size = [self.cinemaName.text sizeWithFont:font constrainedToSize:constraint lineBreakMode:NSLineBreakByWordWrapping];
    NSLog(@"===%@==%f",self.cinemaName.text,size.width);
    self.cinemaName.frame = CGRectMake(5, top_height, size.width+5,cinemaName_height);
    
    self.rebateAccount.frame = CGRectMake(CGRectGetMaxX(self.cinemaName.frame), CGRectGetMidY(self.cinemaName.frame) - rebateAccount_height/2.0, 40, rebateAccount_height);
    
    self.score.frame = CGRectMake(CGRectGetMaxX(self.rebateAccount.frame)+3, self.rebateAccount.frame.origin.y, 25, rebateAccount_height);
    
    self.address.frame = CGRectMake(5, CGRectGetMaxY(self.cinemaName.frame), SCREEN_WIDTH - 70, address_height);
    
    self.distance.frame = CGRectMake(SCREEN_WIDTH - 60, self.address.frame.origin.y, 60, address_height);
    
    self.price.frame = CGRectMake(0, CGRectGetMaxY(self.address.frame), 55, price_height);
    
    label.frame = CGRectMake(CGRectGetMaxX(self.price.frame), self.price.frame.origin.y+2, 20, price_height);
    
    self.style.frame = CGRectMake(SCREEN_WIDTH - 30, CGRectGetMaxY(self.address.frame), 25, price_height);
    
    verticalLine1.frame = CGRectMake(CGRectGetMinX( self.style.frame) - 3, CGRectGetMidY(self.style.frame)-10/2.0, 1, 10);
    
    self.theme.frame = CGRectMake(CGRectGetMinX(verticalLine1.frame)-24-2, CGRectGetMinY(self.style.frame), 24, price_height);
    
    verticalLine2.frame = CGRectMake(CGRectGetMinX(self.theme.frame)-3, CGRectGetMidY(self.style.frame)-10/2.0, 1, 10);
    
    self.seat.frame = CGRectMake(CGRectGetMinX(verticalLine2.frame)-25-2, CGRectGetMinY(self.style.frame), 25, price_height);

    line.frame = CGRectMake(0,self.frame.size.height - 1,SCREEN_WIDTH,1);
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
//    [super setSelected:selected animated:animated];
    // Configure the view for the selected state
}

- (void)setHighlighted:(BOOL)highlighted animated:(BOOL)animated{
}

@end