UISearchBar 基本操作-換背景改變按鈕文字等

seachBar=[[UISearchBar alloc] init];

//修改搜尋方塊背景

seachBar.backgroundColor=[UIColor clearColor];

//去掉搜尋方塊背景

//1.

[[searchbar.subviews objectAtIndex:0]removeFromSuperview];

//2.

for (UIView *subview in seachBar.subviews) 

{  

if ([subview isKindOfClass:NSClassFromString(@"UISearchBarBackground")])

{  

[subview removeFromSuperview];  

break;  

}  

} 

//3自訂背景

UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"40-di.png"]];

    [mySearchBar insertSubview:imageView atIndex:1];

    [imageView release];

//4輸入搜尋文字時隱藏搜尋按鈕，清空時顯示

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

searchBar.showsScopeBar = YES;  

[searchBar sizeToFit];  

[searchBar setShowsCancelButton:YES animated:YES];  

return YES;  

}  

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

searchBar.showsScopeBar = NO;  

[searchBar sizeToFit];  

[searchBar setShowsCancelButton:NO animated:YES];  

return YES;  

}  

//改變搜尋按鈕文字

//改變UISearchBar取消按鈕字型

for(id cc in [searchBar subviews])

    {

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

        {

            UIButton *btn = (UIButton *)cc;

            [btn setTitle:@"搜尋"  forState:UIControlStateNormal];

        }

    }

from:http://286725277.blog.163.com/blog/static/126728586201182295854561/