IOS代码笔记之下拉选项cell

本文介绍了ios下拉选项cell的使用方法，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>
//加入头文件
#import "comboboxview.h"

@interface rootviewcontroller : uiviewcontroller
{
  comboboxview    *_combobox;
}

@end 

rootviewcontroller.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。