添加UISearchBar的方法

代码

UISearchBar *mySearchBar = [[UISearchBar alloc] 
initWithFrame:CGRectMake(0.0, 0.0, self.view.bounds.size.width, 45)];          
 mySearchBar.delegate = self;          
 mySearchBar.showsCancelButton = NO;          
 mySearchBar.barStyle=UIBarStyleDefault;          
 mySearchBar.placeholder=@"Enter Name or Categary";           
mySearchBar.keyboardType=UIKeyboardTypeNamePhonePad;           
[self.view addSubview:mySearchBar];          
 [mySearchBar release];    

在 tableview上添加：   

代码  

      //add Table  
        UITableView *myBeaconsTableView = [[UITableView alloc]   
                                           initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height-40)    
                                              style:UITableViewStylePlain];  
        myBeaconsTableView.backgroundColor = [UIColor whiteColor];  
        myBeaconsTableView.delegate=self;  
        myBeaconsTableView.dataSource=self;  
        [myBeaconsTableView setRowHeight:40];  
        // Add searchbar   
        searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0.0, 0.0, self.view.bounds.size.width, 40)];  
        searchBar.placeholder=@"Enter Name";  
        searchBar.delegate = self;  
        myBeaconsTableView.tableHeaderView = searchBar;  
        searchBar.autocorrectionType = UITextAutocorrectionTypeNo;  
        searchBar.autocapitalizationType = UITextAutocapitalizationTypeNone;  
        [searchBar release];  
        [self.view addSubview:myBeaconsTableView];  
        [myBeaconsTableView release];