iOS searchbar 相关笔记

#pragma - mark－ 开始的时候

/* 开始 */

- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {

/* 右边的那个按钮 */

searchBar.showsCancelButton = YES;

[self.searchBarView setHidden:NO];

/* 开始进入编辑状态的时候让返回键隐藏 */

[self.backButton setHidden:YES];

#pragma mark - 改变搜索按钮的title  不明白***************

for(id cc in [searchBar.subviews[0] subviews])

{

if([cc isKindOfClass:[UIButton class]])

{

UIButton *button = (UIButton *)cc;

[button setFrame:CGRectMake(0, 0, 100 * HEIGHT, 40 * HEIGHT)];

[button setTitle:@"取消" forState:UIControlStateNormal];

[button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

}

}

return YES;

}

#pragma mark - 实现取消的点击事件

- (void)buttonClick:(UIButton *)button {

[self.searchBarView setHidden:YES];

/* 点击取消键让返回键显示 */

[self.backButton setHidden:NO];

}

#pragma mark - 结束

- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar {

/* 让右边取消的按钮隐藏 */

searchBar.showsCancelButton = NO;

}

#pragma mark - 点击搜索按钮的时候

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {

self.keyWord = self.searchBar.text;

ZYHPostContentViewController *post = [[ZYHPostContentViewController alloc] init];

post.titleContent = self.searchBar.text;

[self.navigationController pushViewController:post animated:YES];

}

#pragma mark - 点击取消按钮的时候

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {

/* 清除让search里面的字 */

self.searchBar.text = @"";

/* 键盘回收 放弃第一响应 */

[searchBar resignFirstResponder];

[self.backButton setHidden:YES];

}

#pragma mark - 点击空白处的时候

- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent *)event {

self.searchBar.text = @"";

[self.searchBarView setHidden:YES];

}