二、工程图
三、代码
RootViewController.h
#import <UIKit/UIKit.h>//加入头文件#import "ComboBoxView.h"@interface RootViewController : UIViewController{ComboBoxView*_comboBox;}@endRootViewController.m
#import "RootViewController.h"@interface RootViewController ()@end@implementation RootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {// Custom initialization}return self;}- (void)viewDidLoad{[super viewDidLoad];// Do any additional setup after loading the view.self.navigationController.navigationBarHidden=YES;NSArray *comboBoxDatasource = [[NSArray alloc] initWithObjects:@"one", @"two", @"three", @"four", @"five", @"six", @"seven", @"eight", nil];_comboBox = [[ComboBoxView alloc] initWithFrame:CGRectMake(20, 20, 280, 140)];_comboBox.comboBoxDatasource = comboBoxDatasource;_comboBox.backgroundColor = [UIColor clearColor];[_comboBox setContent:[comboBoxDatasource objectAtIndex:0]];[self.view addSubview:_comboBox];}以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。