BLOCK使用方法

1. 定义

• typedef void(^BACK_BLOCK)(NSString*);
• @property (nonatomic, strong) void(^block)(NSString *);

2.调用

• self.block(@”dlflsdfl”);

3.实现

• detailTableView.block = ^(NSString *text) {
  UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
  cell.detailTextLabel.text = text;
  };