首页 > 代码库 > iso 通过代码自定义cell (cell的高度不一致)
iso 通过代码自定义cell (cell的高度不一致)
///-------1.1数据模型.h---------
#import <Foundation/Foundation.h> @interface MLStatus : NSObject @property(nonatomic, copy) NSString *text; @property(nonatomic, copy) NSString *icon; @property(nonatomic, copy) NSString *name; @property(nonatomic, copy) NSString *picture; @property(nonatomic, assign) BOOL vip; +(instancetype)statusWithDict:(NSDictionary *)dict; -(instancetype)initWithDict:(NSDictionary *)dict; @end
///-------1.2数据模型.m---------
#import "MLStatus.h"
@implementation MLStatus
+(instancetype)statusWithDict:(NSDictionary *)dict{
return [[MLStatus alloc]initWithDict:dict];
}
-(instancetype)initWithDict:(NSDictionary *)dict{
if (self = [super init]) {
//使用kvc(BOOL 和 int 类型kvc也可以实现转化)
[self setValuesForKeysWithDictionary:dict];
}
return self;
}
@end
///-------2.1cell的frame模型.h---------
#import <Foundation/Foundation.h> #import <UIKit/UIKit.h>//如果是用XCode6的话,".h"文件中无法使用CGRect和CGFloat,需要使用改头文件 @class MLStatus; @interface MLStatusFrame : NSObject //头像的frame @property(nonatomic, assign, readonly) CGRect iconF; //昵称的frame @property(nonatomic, assign, readonly) CGRect nameF; //会员图标的frame @property(nonatomic, assign, readonly) CGRect vipF; //正文的frame @property(nonatomic, assign, readonly) CGRect textF; //配图的frame @property(nonatomic, assign, readonly) CGRect pictureF; //cell的高度 @property(nonatomic, assign, readonly) CGFloat cellHeight; @property(nonatomic, strong) MLStatus *status; @end
///-------2.2cell的frame模型.m---------
#import "MLStatusFrame.h"
#import "MLStatus.h"
//昵称的字体
#define MLNameFont [UIFont systemFontOfSize:14]
//正文的字体
#define MLTextFont [UIFont systemFontOfSize:15]
@implementation MLStatusFrame
//重写set方法
-(void)setStatus:(MLStatus *)status{
_status = status;
//子控件之间的间距
CGFloat padding = 10;
//头像
CGFloat iconX = padding;
CGFloat iconY = padding;
CGFloat iconW = 30;
CGFloat iconH = 30;
//成员是readonly属性,也就相当于没有setter方法,不能用.语法方法,只能通过_方式来访问
_iconF= CGRectMake(iconX, iconY, iconW, iconH);
//昵称
CGSize nameSize = [self sizeWithText:self.status.name font:MLNameFont maxSize:CGSizeMake(MAXFLOAT, MAXFLOAT)];
CGFloat nameX = CGRectGetMaxX(_iconF) +padding;
CGFloat nameY = iconY + (iconH - nameSize.height) * 0.5;
_nameF = CGRectMake(nameX, nameY, nameSize.width, nameSize.height);
//会员图标
CGFloat vipX = CGRectGetMaxX(_nameF) + padding;
CGFloat vipY = nameY;
CGFloat vipW = 14;
CGFloat vipH = 14;
_vipF = CGRectMake(vipX, vipY, vipW, vipH);
//正文
CGFloat textX = iconX;
CGFloat textY = CGRectGetMaxY(_iconF) + padding;
CGSize textSize = [self sizeWithText:self.status.text font:MLTextFont maxSize:CGSizeMake(300, MAXFLOAT)];
_textF = CGRectMake(textX ,textY, textSize.width, textSize.height);
//配图
if (self.status.picture) {
CGFloat pictureX = textX;
CGFloat pictureY = CGRectGetMaxY(_textF) + padding;
CGFloat pictureW = 100;
CGFloat pictureH = 100;
_pictureF = CGRectMake(pictureX, pictureY, pictureW, pictureH);
_cellHeight = CGRectGetMaxY(_pictureF) + padding;
}else{
_cellHeight = CGRectGetMaxY(_textF) + padding;
}
}
-(CGSize)sizeWithText:(NSString *)text font:(UIFont *)font maxSize:(CGSize)maxSize{
NSDictionary *attrs = @{NSFontAttributeName : font};
return [text boundingRectWithSize: maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size;
}
@end
///-------3.1自定义cell.h---------
#import <UIKit/UIKit.h> @class MLStatusFrame; @interface MLStatusCell : UITableViewCell @property(nonatomic, strong) MLStatusFrame *statusFrame; + (instancetype)cellWithTableView:(UITableView *)tableView; @end
///-------3.2自定义cell.m---------
#import "MLStatusCell.h"
#import "MLStatus.h"
#import "MLStatusFrame.h"
//昵称的字体
#define MLNameFont [UIFont systemFontOfSize:14]
//正文的字体
#define MLTextFont [UIFont systemFontOfSize:15]
@interface MLStatusCell()
@property(nonatomic, weak) UIImageView *iconView;
@property(nonatomic, weak) UILabel *nameView;
@property(nonatomic, weak) UIImageView *vipView;
@property(nonatomic, weak) UILabel *textView;
@property(nonatomic, weak) UIImageView *pictureView;
@end
@implementation MLStatusCell
-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
//自定义cell,一定要把子控件添加到contentView中
//只添所有加子控件(不设置数据和frame)
//头像
UIImageView *iconView = [[UIImageView alloc]init];
[self.contentView addSubview:iconView];
self.iconView = iconView;
//昵称
UILabel *nameView = [[UILabel alloc]init];
nameView.font = MLNameFont;
[self.contentView addSubview:nameView];
self.nameView = nameView;
//会员图标
UIImageView *vipView = [[UIImageView alloc]init];
vipView.image = [UIImage imageNamed:@"vip"];
[self.contentView addSubview:vipView];
self.vipView = vipView;
//正文
UILabel *textView = [[UILabel alloc]init];
textView.font = MLTextFont;
textView.numberOfLines = 0;
[self.contentView addSubview:textView];
self.textView = textView;
//配图
UIImageView *pictureView = [[UIImageView alloc]init];
[self.contentView addSubview:pictureView];
self.pictureView = pictureView;
}
return self;
}
//在这个方法中设置子控件的frame和显示数据.
-(void) setStatusFrame:(MLStatusFrame *)statusFrame{
_statusFrame = statusFrame;
//给子控件设置数据
[self settingData];
//给子控件设置frame
[self settingFrame];
}
//设置数据
-(void)settingData{
//微博数据
MLStatus *status = self.statusFrame.status;
//头像
self.iconView.image = [UIImage imageNamed:status.icon];
//昵称
self.nameView.text = status.name;
//会员
if (status.vip) {
self.vipView.hidden = NO;
self.nameView.textColor = [UIColor redColor];
}else{
self.vipView.hidden = YES;
self.nameView.textColor = [UIColor blackColor];
}
//正文
self.textView.text = status.text;
//配图
if(status.picture){
self.pictureView.hidden = NO;
self.pictureView.image = [UIImage imageNamed:status.picture];
}else{
self.pictureView.hidden = YES;
}
}
-(CGSize)sizeWithText:(NSString *)text font:(UIFont *)font maxSize:(CGSize)maxSize{
NSDictionary *attrs = @{NSFontAttributeName : font};
return [text boundingRectWithSize: maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size;
}
//设置frame
-(void)settingFrame{
//头像
self.iconView.frame = self.statusFrame.iconF;
//昵称
self.nameView.frame = self.statusFrame.nameF;
//会员图标
self.vipView.frame = self.statusFrame.vipF;
//正文
self.textView.frame = self.statusFrame.textF;
//配图
if(self.statusFrame.status.picture){
self.pictureView.frame = self.statusFrame.pictureF;
}
}
+ (instancetype)cellWithTableView:(UITableView *)tableView
{
static NSString *ID = @"status";
MLStatusCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
if (cell == nil) {
cell = [[MLStatusCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:ID];
}
return cell;
}
@end
///-------4.1自定义控制器.h---------
#import <UIKit/UIKit.h> @interface MLViewController : UITableViewController @end
///-------4.2自定义控制器.m---------
#import "MLViewController.h"
#import "MLStatus.h"
#import "MLStatusCell.h"
#import "MLStatusFrame.h"
@interface MLViewController ()
@property(nonatomic, strong)NSArray *statusFrames;
@end
@implementation MLViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.tableView.showsVerticalScrollIndicator = NO;
}
-(NSArray *)statusFrames{
if (_statusFrames == nil) {
//获得plist的全路径
NSString *path = [[NSBundle mainBundle] pathForResource:@"statuses.plist" ofType:nil];
//加载数组
NSArray *dictArray = [NSArray arrayWithContentsOfFile:path];
//将dictArray里面的所有字典转成模型,放到新的数组里
NSMutableArray *statusFrames = [NSMutableArray array];
for(NSDictionary *dict in dictArray){
//创建MLStatus模型
MLStatus *status = [MLStatus statusWithDict:dict];
//创建MLStatusFrame模型
MLStatusFrame *statusFrame = [[MLStatusFrame alloc]init];
statusFrame.status = status;
[statusFrames addObject:statusFrame];
}
_statusFrames = statusFrames;
}
return _statusFrames;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.statusFrames.count;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//创建cell
MLStatusCell *cell = [MLStatusCell cellWithTableView:tableView];
//设置高度
cell.statusFrame = self.statusFrames[indexPath.row];
//返回cell
return cell;
}
-(BOOL)prefersStatusBarHidden{
return YES;
}
#pragma mark - 实现代理方法
//自定义没个cell的高度
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
// 取出这行对应的frame模型
MLStatusFrame *statusFrame = self.statusFrames[indexPath.row];
return statusFrame.cellHeight;
}
@end
iso 通过代码自定义cell (cell的高度不一致)
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。