我想说写这个瞬间感觉好累啊。。。
先看下效果。
2016-12-05 15_42_14.gif
ViewController.m内容
//
// ViewController.m
// TableViewCellAuto
//
// Created by mibo02 on 16/12/5.
// Copyright © 2016年 mibo02. All rights reserved.
//
#import "ViewController.h"
#import "Masonry.h"
#import "TestTableViewCell.h"
@interface ViewController ()<UITableViewDataSource, UITableViewDelegate>
@property (nonatomic, strong)UITableView *tableView;
@property (nonatomic, strong)NSMutableArray *dataSource;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.tableView = [[UITableView alloc] init];
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.tableView.delegate = self;
self.tableView.dataSource = self;
[self.view addSubview:self.tableView];
[self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.mas_equalTo(self.view);
}];
for (NSUInteger i = 0; i<10; ++i) {
TestModel *model = [[TestModel alloc] init];
model.title = @"这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，这个是测试的标题，";
model.desc = @"这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。这个是内容。";
[self.dataSource addObject:model];
}
[self.tableView reloadData];
}
- (NSMutableArray *)dataSource {
if (_dataSource == nil) {
_dataSource = [[NSMutableArray alloc] init];
}
return _dataSource;
}
#pragma mark - UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.dataSource.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *cellIdentifier = @"CellIdentifier";
TestTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (!cell) {
cell = [[TestTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];
}
cell.indexPath = indexPath;
cell.block = ^(NSIndexPath *path) {
//刷新这一行，当进行点击的时候
[tableView reloadRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationFade];
};
TestModel *model = [self.dataSource objectAtIndex:indexPath.row];
[cell configCellWithModel:model];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
TestModel *model = [self.dataSource objectAtIndex:indexPath.row];
return [TestTableViewCell heightWithModel:model];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
TestTableViewCell.h的内容
//
// TestTableViewCell.h
// TableViewCellAuto
//
// Created by mibo02 on 16/12/5.
// Copyright © 2016年 mibo02. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface TestModel : NSObject
@property (nonatomic, copy)NSString *title;
@property (nonatomic, copy)NSString *desc;
@property (nonatomic, assign)BOOL isExpanded;
@end
typedef void (^TestBlock)(NSIndexPath *indexPath);
@interface TestTableViewCell : UITableViewCell
@property (nonatomic, strong)UILabel *titleLabel;
@property (nonatomic, strong)UILabel *descLabel;
@property (nonatomic, strong)NSIndexPath *indexPath;
@property (nonatomic, copy) TestBlock block;
- (void)configCellWithModel:(TestModel *)model;
+(CGFloat)heightWithModel:(TestModel *)model;
@end
TestTableViewCell.m内容
//
// TestTableViewCell.m
// TableViewCellAuto
//
// Created by mibo02 on 16/12/5.
// Copyright © 2016年 mibo02. All rights reserved.
//
#import "TestTableViewCell.h"
#import "Masonry.h"
@interface TestTableViewCell ()
@property (nonatomic, strong)UILabel *lineLabel;
@property (nonatomic, strong)TestModel *model;
@end
@implementation TestTableViewCell
- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
UIImageView *imageView = [[UIImageView alloc] init];
imageView.backgroundColor = [UIColor greenColor];
imageView.layer.cornerRadius = 35;
imageView.layer.borderColor = [UIColor redColor].CGColor;
imageView.layer.borderWidth = 2;
[self.contentView addSubview:imageView];
[imageView mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.mas_equalTo(15);
make.size.mas_equalTo(CGSizeMake(70, 70));
make.top.mas_equalTo(15);
}];
self.titleLabel = [[UILabel alloc] init];
self.titleLabel.textColor = [UIColor blackColor];
self.titleLabel.font = [UIFont systemFontOfSize:16];
self.titleLabel.numberOfLines = 0;
self.titleLabel.textAlignment = NSTextAlignmentLeft;
CGFloat w = [UIScreen mainScreen].bounds.size.width;
//
// 兼容6.0
self.titleLabel.preferredMaxLayoutWidth = w - 100 - 15;
[self.contentView addSubview:self.titleLabel];
[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.mas_equalTo(imageView.mas_right).offset(15);
make.right.mas_equalTo(self.contentView).offset(-15);
make.top.mas_equalTo(imageView);
}];
self.descLabel = [UILabel new];
self.descLabel.textColor =[UIColor blueColor];
self.descLabel.font = [UIFont systemFontOfSize:13];
self.descLabel.numberOfLines = 0;
self.descLabel.textAlignment = NSTextAlignmentLeft;
//
self.descLabel.preferredMaxLayoutWidth = w - 100 - 45;
[self.contentView addSubview:self.descLabel];
[self.descLabel mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.mas_equalTo(imageView.mas_right).offset(15);
make.right.mas_equalTo(self.contentView).offset(-15);
make.top.mas_equalTo(self.titleLabel.mas_bottom).offset(20);
}];
self.descLabel.userInteractionEnabled = YES;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onTap)];
[self.descLabel addGestureRecognizer:tap];
UILabel *lineLabel = [[UILabel alloc] init];
lineLabel.backgroundColor = [UIColor lightGrayColor];
[self.contentView addSubview:lineLabel];
[lineLabel mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.mas_equalTo(self.descLabel.mas_bottom).offset(19);
make.left.mas_equalTo(15);
make.right.mas_equalTo(-15);
make.height.mas_equalTo(1);
}];
self.lineLabel = lineLabel;
}
return self;
}
- (void)configCellWithModel:(TestModel *)model
{
self.model = model;
self.titleLabel.text = model.title;
self.descLabel.text = model.desc;
if (model.isExpanded) {
[self.descLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.mas_equalTo(self.titleLabel);
make.right.mas_equalTo(self.titleLabel);
make.top.mas_equalTo(self.titleLabel.mas_bottom).offset(20);
}];
} else {
[self.descLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.mas_equalTo(self.titleLabel);
make.right.mas_equalTo(self.titleLabel);
make.top.mas_equalTo(self.titleLabel.mas_bottom).offset(20);
make.height.mas_equalTo(40);
}];
}
}
- (void)onTap {
self.model.isExpanded = !self.model.isExpanded;
if (self.block) {
self.block(self.indexPath);
}
[self configCellWithModel:self.model];
[self.contentView setNeedsUpdateConstraints];
[self.contentView updateConstraintsIfNeeded];
[UIView animateWithDuration:0.15 animations:^{
[self.contentView layoutIfNeeded];
}];
}
+(CGFloat)heightWithModel:(TestModel *)model
{
TestTableViewCell *cell = [[TestTableViewCell alloc] initWithStyle:(UITableViewCellStyleDefault) reuseIdentifier:@""];
[cell configCellWithModel:model];
[cell layoutIfNeeded];
CGRect frame = cell.descLabel.frame;
return frame.origin.y + frame.size.height + 20;
}
- (void)awakeFromNib {
[super awakeFromNib];
// Initialization code
}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated];
// Configure the view for the selected state
}
@end
@implementation TestModel
@end
大家可以尝试一下。感觉挺好用的。么么哒。
