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项目总结

发布时间:2016-12-3 19:59:41 编辑:www.fx114.net 分享查询网我要评论
本篇文章主要介绍了"项目总结",主要涉及到项目总结方面的内容,对于项目总结感兴趣的同学可以参考一下。

        //stringByTrimmingCharactersInSet 修剪字符串 //whitespaceAndNewlineCharacterSet 空格和换行符 dish.dishKind = [[rs stringForColumn:@"iKind"] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; UIAlertView上添加自定义视图,采用懒加载, 继承基类xib  基类加载xib的时候一定要指定xib的名称 //字符串分割  返回数组 NSString *str = @"s|ss"; NSArray *array1 = [str componentsSeparatedByString:@"|"]; 1.Delete的实现 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { //删除,首先更新数据源,再在tableview上以动画形式删除cell int row = indexPath.row; [(NSMutableArray *)dataArray removeObjectAtIndex:row]; [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft]; } 2.  //取消选定当前点击indexPath  否则会出现cell背景蓝色 [tableView deselectRowAtIndexPath:indexPath animated:YES]; //移除所有子控件 for (UIView *aView in _detailView.subviews) { [aView removeFromSuperview]; }   3.声音文件的简单播放 在.h文件的声明中 #import <AudioToolbox/AudioToolbox.h> SystemSoundID soundID; 在.m的文件中,第一次执行的DidViewLoad方法里面加入  NSString *path = [[NSBundle mainBundle] pathForResource:@"happy" ofType:@"mp3"]; AudioServicesCreateSystemSoundID((CFURLRef)[NSURL fileURLWithPath:path], &soundID); 这两行语句就把对应的音频文件绑定到了相关的SystemSoundID上面了。 在需要调用的方法里面加入下面的语句,就可以把声音调用出来了 AudioServicesPlaySystemSound (soundEgg); //非常简单好用 //soundID //自定义cell的创建 if (cell == nil) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"HistoryOrderCell" owner:nil options:nil];//(此为刚才新建的xib的名字) for (id oneObject in nib) { if ([oneObject isKindOfClass:[HistoryOrderCell class]]) { cell = (HistoryOrderCell *)oneObject; break; } } } //判断是否有alertViewButtonClicked:方法 if ([delegate respondsToSelector:@selector(alertViewButtonClicked:)]) { [delegate alertViewButtonClicked:self]; } //UIImageView开启交互,默认会调用Touch的四个方法. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; //创建一个UITouch CGPoint point = [touch locationInView:self];//获得当前imageView的坐标 downX = point.x; } - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; CGPoint point = [touch locationInView:self]; if (downX>point.x+50) { if ([_delegate respondsToSelector:@selector(dishImgViewLeft)]) { [_delegate dishImgViewLeft]; } } if (downX<point.x-50) { if ([_delegate respondsToSelector:@selector(dishImgViewRight)]) { [_delegate dishImgViewRight]; } } }

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