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本文实例为大家分享了ios下拉菜单的具体代码,供大家参考,具体内容如下
一、效果图



二、工程图


三、代码
RootViewController.h

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController@end 
 RootViewController.m

#import "RootViewController.h"#import "NIDropDown.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.title=@"DropDown";UIButton *button=[UIButton buttonWithType:UIButtonTypeRoundedRect]; button.frame=CGRectMake(10, 100, 150,30); button.backgroundColor=[UIColor redColor]; [button addTarget:self action:@selector(doClickAction:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:button];}-(void)doClickAction:(UIButton *)btn{ NSArray *dataArray=[NSArray arrayWithObjects:@"1",@"2",@"3",@"4",@"5", nil];NIDropDown *dropDown=[[NIDropDown alloc]init]; [dropDown showDropDown:btn andHeight:[dataArray count]*36 andData:dataArray]; [self.view addSubview:dropDown];}
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。