ios datePicker 控件的使

第天一实例，胜过比尔·盖茨

 

 

//// DatePickerViewController.h// DatePicker//// Created by h on 11-5-31.// Copyright 2011 __MyCompanyName__. All rights reserved.//#import <UIKit/UIKit.h>@interface DatePickerViewController : UIViewController {UIDatePicker *datePicker;}@property (nonatomic,retain) IBOutlet UIDatePicker *datePicker;-(IBAction)buttonPressed;@end

 

//// DatePickerViewController.m// DatePicker//// Created by h on 11-5-31.// Copyright 2011 __MyCompanyName__. All rights reserved.//#import "DatePickerViewController.h"@implementation DatePickerViewController@synthesize datePicker;/*// The designated initializer. Override to perform setup that is required before the view is loaded.- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self;}*//*// Implement loadView to create a view hierarchy programmatically, without using a nib.- (void)loadView {}*/// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.- (void)viewDidLoad {NSDate *now=[[NSDate alloc] init];[datePicker setDate:nowanimated:NO];[now release];[super viewDidLoad];}/*// Override to allow orientations other than the default portrait orientation.- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait);}*/- (void)didReceiveMemoryWarning {// Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning];// Release any cached data, images, etc that aren't in use.}- (void)viewDidUnload {// Release any retained subviews of the main view.// e.g. self.myOutlet = nil;self.datePicker=nil;}-(IBAction)buttonPressed{NSDate*selected=[datePicker date];NSString *message = [[NSString alloc] initWithFormat:@"The date and time you selected is:%@",selected];UIAlertView *alert= [[UIAlertView alloc] initWithTitle:@"Date and Time Selected"message:message delegate:nil cancelButtonTitle:@"Yes,i did" otherButtonTitles:nil];[alert show];[alert release];[message release];}- (void)dealloc {[datePicker release]; [super dealloc];}@end

 

效果 图