注册cell经常使用方法:ide
设置全局变量static NSString *identifier = @"videoIdentifier";spa
1.viewDidLoad注册cellit
[self.tableView registerNib:[UINib nibWithNibName:@"VideoCell" bundle:nil] forCellReuseIdentifier:identifier];io
2.cellforRow中关联celltable
VideoCell *cell=[tableView dequeueReusableCellWithIdentifier:identifier];class
推荐使用封装方法:变量
将cell注册方法封装在BaseTableViewCell基类里(新建一个tableviewcell类)object
1.BaseTableViewCell.h select
+ (instancetype)cellWithTableView:(UITableView *)tableView;引用
2.BaseTableViewCell.m 实现
+ (instancetype)cellWithTableView:(UITableView *)tableView{
NSString *className = NSStringFromClass([self class]);
TPBaseTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:className];
if (!cell) {
cell = [[NSBundle mainBundle] loadNibNamed:className owner:nil options:nil].firstObject;
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
return cell;
}
3.引用时候:将自定义的cell基类更改成BaseTableViewCell如:
@interface TPChatSettingsTableViewCel : TPBaseTableViewCell
只须要在cellforrow中关联cell便可
TPChatSettingsTableViewCell *cell = [TPChatSettingsTableViewCell cellWithTableView:tableView];
同理注册view
.h
+ (instancetype)createViewFromNib;
+ (instancetype)createViewFromNibName:(NSString *)nibName;
.m
+ (instancetype)createViewFromNibName:(NSString *)nibName
{
NSArray *nib = [[NSBundle mainBundle] loadNibNamed:nibName owner:self options:nil];
return [nib objectAtIndex:0];
}
+ (instancetype)createViewFromNib
{
return [self createViewFromNibName:NSStringFromClass(self.class)];
}
引用时候
self.alertCoinView = [TPAlertPetCoinView createViewFromNib];