iOS开发总结之自定义非等高cell-storyboard

来源：互联网发布：软件需求工程师转行编辑：程序博客网时间：2024/05/23 11:36

1.storyboard中的结构：

2.代码

#import "XMGStatusCell.h"#import "XMGStatus.h"@interface XMGStatusCell()@property (weak, nonatomic) IBOutlet UIImageView *iconView;@property (weak, nonatomic) IBOutlet UILabel *nameLabel;@property (weak, nonatomic) IBOutlet UIImageView *vipView;@property (weak, nonatomic) IBOutlet UILabel *contentLabel;@property (weak, nonatomic) IBOutlet UIImageView *pictureView;@end@implementation XMGStatusCell+ (instancetype)cellWithTableView:(UITableView *)tableView{    return [tableView dequeueReusableCellWithIdentifier:@"status"];}- (void)awakeFromNib{    // 设置label每一行文字的最大宽度    // 为了保证计算出来的数值 跟 真正显示出来的效果 一致    self.contentLabel.preferredMaxLayoutWidth = [UIScreen mainScreen].bounds.size.width - 20;}- (void)setStatus:(XMGStatus *)status{    _status = status;        if (status.isVip) {        self.nameLabel.textColor = [UIColor orangeColor];        self.vipView.hidden = NO;    } else {        self.nameLabel.textColor = [UIColor blackColor];        self.vipView.hidden = YES;    }        self.nameLabel.text = status.name;    self.iconView.image = [UIImage imageNamed:status.icon];    if (status.picture) {        self.pictureView.hidden = NO;        self.pictureView.image = [UIImage imageNamed:status.picture];    } else {        self.pictureView.hidden = YES;    }    self.contentLabel.text = status.text;        // 强制布局    [self layoutIfNeeded];        // 计算cell的高度    if (self.pictureView.hidden) { // 没有配图        status.cellHeight = CGRectGetMaxY(self.contentLabel.frame) + 10;    } else { // 有配图        status.cellHeight = CGRectGetMaxY(self.pictureView.frame) + 10;    }}@end

#import "XMGStatusesViewController.h"#import "XMGStatus.h"#import "XMGStatusCell.h"@interface XMGStatusesViewController ()@property (strong, nonatomic) NSArray *statuses;@end@implementation XMGStatusesViewController- (NSArray *)statuses{    if (_statuses == nil) {        // 加载plist中的字典数组        NSString *path = [[NSBundle mainBundle] pathForResource:@"statuses.plist" ofType:nil];        NSArray *dictArray = [NSArray arrayWithContentsOfFile:path];                // 字典数组 -> 模型数组        NSMutableArray *statusArray = [NSMutableArray array];        for (NSDictionary *dict in dictArray) {            XMGStatus *status = [XMGStatus statusWithDict:dict];            [statusArray addObject:status];        }        _statuses = statusArray;    }    return _statuses;}- (void)viewDidLoad {    [super viewDidLoad];    }#pragma mark - Table view data source- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    return self.statuses.count;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    XMGStatusCell *cell = [XMGStatusCell cellWithTableView:tableView];    cell.status = self.statuses[indexPath.row];    return cell;}#pragma mark - 代理方法/** *  返回每一行的高度 */- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{    XMGStatus *staus = self.statuses[indexPath.row];    return staus.cellHeight;}/** * 返回每一行的估计高度 * 只要返回了估计高度，那么就会先调用tableView:cellForRowAtIndexPath:方法创建cell，再调用tableView:heightForRowAtIndexPath:方法获取cell的真实高度 */- (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath{    return 200;}@end

#import <UIKit/UIKit.h>@interface XMGStatus : NSObject@property (strong, nonatomic) NSString *name;@property (strong, nonatomic) NSString *text;@property (strong, nonatomic) NSString *icon;@property (strong, nonatomic) NSString *picture;@property (assign, nonatomic, getter=isVip) BOOL vip;/** cell的高度 */@property (assign, nonatomic) CGFloat cellHeight;+ (instancetype)statusWithDict:(NSDictionary *)dict;@end

3.效果：

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