使用 UIPIckerView 自定义 DatePicker [英] Custom DatePicker using UIPIckerView
本文介绍了使用 UIPIckerView 自定义 DatePicker的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是 ios 开发的新手.我正在使用 uipickerview 制作自定义日期选择器.我将datesArray用作uipickerview的数据源.
I am new to ios development. I am making a custom datepicker using uipickerview. I have datesArray to be used as a data source for uipickerview.
我想知道如何仅显示标签:今天、明天、星期五、星期六、星期日、星期一、星期二的当前周和休息日期,格式为EEE,LLL d".
I want to know how to show only Labels : today,tomorrow,Fri,Sat,Sun,Mon,Tues for current week and rest dates in format "EEE, LLL d".
我试过这段代码,但没有用.
I tried this code but it didn't work.
for(int i=0;i<22;i++)
{
NSDate *myDate = [NSDate dateWithTimeIntervalSinceNow:60 * 60 * 24 * i];
NSDate *now=[NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateStyle:NSDateFormatterMediumStyle];
[dateFormatter setDateFormat:@"EEE, LLL d"];
if(myDate==now)
{
NSString *myDateString=@"today";
[datesArray addObject:myDateString];
}
else
{
NSString *myDateString = [dateFormatter stringFromDate:myDate];
[datesArray addObject:myDateString];
}
}
推荐答案
试试这个,希望能帮到你
Try this.Hope it helps
NSString *dateFromWS = @"2013-10-16";//im taking it as static you have to take string coming from webservice
for (int i = 0; i < 22; i++)
{
NSDateFormatter *dateFormatter1 = [[NSDateFormatter alloc] init];
[dateFormatter1 setDateStyle:NSDateFormatterMediumStyle];
[dateFormatter1 setDateFormat:@"yyyy-MM-dd"];
NSDate *myDate = [NSDate dateWithTimeIntervalSinceNow:60 * 60 * 24 * i];
NSDate *now = [dateFormatter1 dateFromString:dateFromWS];
NSDate *tomorrow = [NSDate dateWithTimeInterval:60 * 60 * 24 * 1 sinceDate:now];
//NSDate *dummy = [NSDate dateWithTimeInterval:60 * 60 * 24 * 1 sinceDate:now];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateStyle:NSDateFormatterMediumStyle];
[dateFormatter setDateFormat:@"EEE, LLL d"];
NSString *loopDate = [dateFormatter stringFromDate:myDate];
NSString *today = [dateFormatter stringFromDate:now];
NSString *tomorrowString = [dateFormatter stringFromDate:tomorrow];
if ([loopDate isEqualToString:today]) {
[datesArray addObject:@"today"];
} else if ([loopDate isEqualToString:tomorrowString]) {
[datesArray addObject:@"tomorrow"];
} else if ((i/7) < 1) {
[datesArray addObject:[loopDate substringToIndex:3]];
} else {
[datesArray addObject:loopDate];
}
}
这篇关于使用 UIPIckerView 自定义 DatePicker的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文