自定义UISearchBar

UIView* v = [[UIView alloc]initWithFrame:CGRectMake(0, 0, kSCREEN_WIDTH - 110, 30)];

//searchBar

UISearchBar* searchBar = [[UISearchBar alloc]initWithFrame:v.bounds];

searchBar.text = @"";

searchBar.translucent = YES;

searchBar.barStyle = UIBarStyleBlack;

//设置下样式

searchBar.searchBarStyle = UISearchBarStyleProminent;

//半透明背景图 自制一张半透明的Image

searchBar.backgroundImage = [UIImage imageWithColor:[UIColor clearColor] Size:v.bounds.size];

//设置SearchBar的textfield的背景图

[searchBar setSearchFieldBackgroundImage:[UIImage imageWithColor:[UIColor colorWithRed:1 green:1 blue:1 alpha:0.3] Size:CGSizeMake(v.width, 30)] forState:UIControlStateNormal];

//

searchBar.layer.cornerRadius = 15;

searchBar.layer.masksToBounds = YES;

//设置searchBar的textfield的字体

[UITextField appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]].textColor = [UIColor whiteColor];

//设置searchBar的textfield的清除按钮

[UITextField appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]].clearButtonMode = UITextFieldViewModeNever;

searchBar.delegate = self;

//        searchBar tex

[v addSubview:searchBar];