火车票余票的查询＋上拉加载，下拉刷新
上拉刷新，下拉加载demo。其中用到了MJRefresh第三方库，可以用于所有列表形式的刷新和加载，对于程序开发者具有很大的帮助； 使用方法：1.在ViewController中找到集成控件，设置刷新和加载时视图显示的提示信息
利用json解析网络接口，将解析出来的数据用视图显示出来，这里下拉刷新与上拉加载可以运用到多个地方，解决了数据一下子不能展示更多的缺陷
下面知识部分代码，其他代码已传到附件了
利用json解析网络接口，将解析出来的数据用视图显示出来，这里下拉刷新与上拉加载可以运用到多个地方，解决了数据一下子不能展示更多的缺陷
下面知识部分代码，其他代码已传到附件了
#import "AppDelegate.h"
#import "AppViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
AppViewController *tt = [[AppViewController alloc]init];
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.backgroundColor = [UIColor whiteColor];
self.window.rootViewController = tt;
[self.window makeKeyAndVisible];
return YES;
}
#import "AppViewController.h"
#import "CarViewController.h"
#import "AppDelegate.h"
@interface AppViewController ()
@end
@implementation AppViewController
- (void)viewDidLoad {
[super viewDidLoad];
CarViewController *tt1 = [[CarViewController alloc]init];
UINavigationController *nar = [[UINavigationController alloc]initWithRootViewController:tt1];
UIApplication *app = [UIApplication sharedApplication];
AppDelegate *app2 = app.delegate;
app2.window.rootViewController = nar;
}
#import "CarViewController.h"
#import "AppDelegate.h"
#import "CalendarHomeViewController.h"
#import "CalendarViewController.h"
#import "ChaViewController.h"
//CalendarMonthHeaderView.m
#import "Color.h"
#define WIDTH [[UIScreen mainScreen]bounds].size.width
#define HEIGHT [[UIScreen mainScreen]bounds].size.height
#define H [[UIScreen mainScreen]bounds].size.height/100
#define W [[UIScreen mainScreen]bounds].size.width/100
@interface CarViewController ()
{
UITextField *goText;
UITextField *toText;
CalendarHomeViewController *chvc;
UILabel *dateLable1;
NSString *strDate;
NSString *strWeek;
id obj;
//NSMutableString *isStr;
}
@end
@implementation CarViewController
- (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.navigationBar.backgroundColor = COLOR_THEME;
self.navigationController.navigationBar.barTintColor = COLOR_THEME;
self.navigationItem.title = @"车票查询";
self.view.backgroundColor = [UIColor colorWithRed:96.0/255 green:105.0/255 blue:144.0/255 alpha:0.31];
//出发点
goText = [[UITextField alloc]initWithFrame:CGRectMake(8*W, 20*H, 26.7*W, 7.5*H)];
goText.backgroundColor = [UIColor groupTableViewBackgroundColor];
goText.placeholder = @"出发地";
goText.font = [UIFont systemFontOfSize:24];
goText.textAlignment = NSTextAlignmentCenter;
goText.layer.cornerRadius = 10.0;
goText.delegate = self;
toText = [[UITextField alloc]initWithFrame:CGRectMake(66*W, 20*H, 26.7*W, 7.5*H)];
toText.backgroundColor = [UIColor groupTableViewBackgroundColor];
toText.placeholder = @"目的地";
toText.textAlignment = NSTextAlignmentCenter;
toText.font = [UIFont systemFontOfSize:24];
toText.delegate = self;
toText.layer.cornerRadius = 10.0;
[self.view addSubview:goText];
[self.view addSubview:toText];
//箭头
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(40*W,21*H, 19*W, 5*H);
[button setImage:[UIImage imageNamed:@"1"] forState:UIControlStateNormal];
[button addTarget:self action:@selector(change) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
//选择日期
UIButton *but2 = [[UIButton alloc]initWithFrame:CGRectMake(0, 36*H, self.view.frame.size.width, 50)];
but2.backgroundColor = COLOR_THEME;
but2.titleLabel.textColor = [UIColor whiteColor];
but2.tag = 2;
//[but2 setTitle:@"选择日期" forState:UIControlStateNormal];
[but2 addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:but2];
UILabel *dateLable = [[UILabel alloc]initWithFrame:CGRectMake( 8*W, 2*H, 22*W, 4*H)];
dateLable.text = @"出发日期";
dateLable1 = [[UILabel alloc]initWithFrame:CGRectMake( 40*W, 2*H, 60*W, 4*H)];
[dateLable1 setTextColor:[UIColor whiteColor]];
[dateLable setTextColor:[UIColor whiteColor]];
[but2 addSubview:dateLable];
[but2 addSubview:dateLable1];
//NSString *s = strDate;
//查询按钮
UIButton *but = [[UIButton alloc]initWithFrame:CGRectMake(37*W, 60*H, 100, 50)];
but.backgroundColor = COLOR_THEME;
but.titleLabel.textColor = [UIColor whiteColor];
[but setTitle:@"查询" forState:UIControlStateNormal];
[but addTarget:self action:@selector(cha) forControlEvents:UIControlEventTouchUpInside];
[but.layer setCornerRadius:10.0];
[self.view addSubview:but];
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
[textField resignFirstResponder];
return YES;
}
-(void)change{
NSString *st1 = goText.text;
NSString *st2 = toText.text;
goText.text = st2;
toText.text = st1;
}
-(void)cha{
ChaViewController *cha = [[ChaViewController alloc]init];
cha.goStr = goText.text;
cha.toStr = toText.text;
cha.strDate1 = strDate;
cha.strWeek1 = strWeek;
[self presentViewController:cha animated:YES completion:nil];
}
-(void)click:(UIButton *)but
{
if (!chvc) {
chvc = [[CalendarHomeViewController alloc]init];
chvc.calendartitle = @"飞机";
[chvc setAirPlaneToDay:365*3 ToDateforString:nil];//飞机初始化方法
}
chvc.calendarblock = ^(CalendarDayModel *model){
NSLog(@"\n---------------------------");
NSLog(@"1星期 %@",[model getWeek]);
NSLog(@"2字符串 %@",[model toString]);
NSLog(@"3节日 %@",model.holiday);
strDate = [model toString];
strWeek = [model getWeek];
if (model.holiday) {
//[but setTitle:[NSString stringWithFormat:@"%@ %@ %@",[model toString],[model getWeek],model.holiday] forState:UIControlStateNormal];
dateLable1.text = [NSString stringWithFormat:@"%@ %@ %@",[model toString],[model getWeek],model.holiday];
}else{
//[but setTitle:[NSString stringWithFormat:@"%@ %@",[model toString],[model getWeek]] forState:UIControlStateNormal];
dateLable1.text = [NSString stringWithFormat:@"%@ %@",[model toString],[model getWeek]];
}
};
[self.navigationController pushViewController:chvc animated:YES];
}
