seachBar=[[UISearchBar alloc] init]; //修改搜索框背景 seachBar.backgroundColor=[UIColor clearColor]; //去掉搜索框背景 //1. [[searchbar.subviews objectAtIndex:0]removeFromSuperview]; //2. for (UIView *subview in seachBar.subviews) { if ([subview isKindOfClass:NSClassFromString(@"UISearchBarBackground")]) { [subview removeFromSuperview]; break; } } //3自定义背景 UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"40-di.png"]]; [mySearchBar insertSubview:imageView atIndex:1]; [imageView release]; //4输入搜索文字时隐藏搜索按钮,清空时显示 - (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; } //改变搜索按钮文字 //改变UISearchBar取消按钮字体 for(id cc in [searchBar subviews]) { if([cc isKindOfClass:[UIButton class]]) { UIButton *btn = (UIButton *)cc; [btn setTitle:@"搜索" forState:UIControlStateNormal]; } }