分享一些Swift的干货
Array+Extension
mutating func arrayFromArray(_ arr:Array) {
for item in arr {
self.append(item)
}
} Color+Extension
extension UIColor
{
class func colorWithCustom(_ r: CGFloat, g:CGFloat, b:CGFloat, alpha : CGFloat = 1) -> UIColor {
return UIColor(red: r / 255.0, green: g / 255.0, blue: b / 255.0, alpha: alpha)
}
class func randomColor() -> UIColor {
let r = CGFloat(arc4random_uniform(256))
let g = CGFloat(arc4random_uniform(256))
let b = CGFloat(arc4random_uniform(256))
return UIColor.colorWithCustom(r, g: g, b: b)
}
class func colorWithHexString (_ hex:String, alpha: CGFloat = 1.0)-> UIColor {
var formatted = hex.replacingOccurrences(of: "0x", with: "")
formatted = formatted.replacingOccurrences(of: "#", with: "")
if let hex = Int(formatted, radix: 16) {
let red = CGFloat(CGFloat((hex & 0xFF0000) >> 16)/255.0)
let green = CGFloat(CGFloat((hex & 0x00FF00) >> 8)/255.0)
let blue = CGFloat(CGFloat((hex & 0x0000FF) >> 0)/255.0)
return UIColor(red: red, green: green, blue: blue, alpha: alpha)
} else {
return UIColor.white
}
}
}NSDateEXT+Lunar
extension Date{
static fileprivate let lunarDayStrs = ["初一","初二","初三","初四","初五","初六","初七","初八","初九","初十",
"十一","十二","十三","十四","十五","十六","十七","十八","十九","二十",
"廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十","卅一","卅二"]
static fileprivate let lunarMonthStrs = ["春节","二月","三月","四月","五月","六月","七月","八月","九月","十月","冬月","腊月"]
/**
公历转化为农历
*/
public static func Conventer2lunarStr(_ solar: Date) -> String{
let cal = Calendar(identifier: Calendar.Identifier.chinese)
let unitFlag = NSCalendar.Unit.day.rawValue | NSCalendar.Unit.month.rawValue
let components = (cal as NSCalendar).components(NSCalendar.Unit(rawValue: unitFlag), from: solar)
if components.day != 1 {
return lunarDayStrs[components.day! - 1]
}
else{
return lunarMonthStrs[components.month! - 1]
}
}
}
NSDateEXT
extension Date{
/**
获取数字的Date
- returns: <#return value description#>
*/
public static func getDateforInt(year : Int, month : Int, day: Int) -> Date{
let dateFormatter:DateFormatter = DateFormatter();
dateFormatter.dateFormat = "yyyy-MM-dd";
var currentDay = day
let tempDate:Date? = dateFormatter.date(from: String(format:"%04d-%02d-%02d",year,month,1));
assert(tempDate != nil, "输入的时期是无效的")
if day > Date.getDateMonthDayCount(tempDate!) {
currentDay = Date.getDateMonthDayCount(tempDate!)
}
let dayDate:Date? = dateFormatter.date(from: String(format:"%04d-%02d-%02d",year,month,currentDay));
assert(dayDate != nil, "输入的时期是无效的")
return dayDate!
}
/**
获取每月的天数count
*/
public static func getDateMonthDayCount (_ date:Date) -> Int{
let range = (Calendar.current as NSCalendar).range(of: NSCalendar.Unit.day, in: NSCalendar.Unit.month, for: date)
return range.length
}
/**
获取该月的每一天
*/
public static func getDateMonthDays (_ date : Date) ->Array
let count = self .getDateMonthDayCount(date)
let year = date.yearHPPData();
let month = date.monthHPPData()
var days :Array
for i in 1 ..< count + 1 {
let day = i
days.append(Date.getDateforInt(year: year, month: month, day: day))
}
return days
}
/**
获取该月的第一天是周几
*/
public static func getDateMonthFirstDayIsWeedDay (_ date:Date) -> Int{
return Date.getWeekDay(year: date.yearHPPData(), month: date.monthHPPData(), day: 1);
}
/**
获取某一天 的 星期状态
- parameter year: 年
- parameter month: 月
- parameter day: 日
- returns: weakday
*/
// public class func getWeekDay(year year:Int,month:Int,day:Int) ->Int{
// let dateFormatter:NSDateFormatter = NSDateFormatter();
// dateFormatter.dateFormat = "yyyy/MM/dd";
// let date:NSDate? = dateFormatter.dateFromString(String(format:"%04d/%02d/%02d",year,month,day));
// if date != nil {
// let calendar:NSCalendar = NSCalendar.currentCalendar()
// let dateComp:NSDateComponents = calendar.components(NSCalendarUnit.Weekday, fromDate: date!)
// return dateComp.weekday;
// }
// return 0;
// }
public static func getWeekDay(year:Int,month:Int,day:Int) ->Int{
let dateFmt = DateFormatter()
dateFmt.dateFormat = "yyyy/MM/dd HH:mm:ss"
let date = dateFmt.date(from: String(format:"%04d/%02d/%02d 12:00:00",year,month,day))
let interval = Int(date!.timeIntervalSince1970)
let days = Int(interval/86400) // 24*60*60
let weekday = ((days + 4)%7+7)%7
return weekday == 0 ? 7 : weekday
}
/**
获取某一天 的 星期状态
- returns: weakday
*/
public static func getWeekDay(_ date : Date) -> Int{
return Date.getWeekDay(year: date.yearHPPData(), month: date.monthHPPData(), day: date.dayHPPData());
}
/**
年
- returns: 年
*/
public func yearHPPData() -> Int {
let calendar:Calendar = Calendar.current
let dateComp:DateComponents = (calendar as NSCalendar).components(NSCalendar.Unit.year, from: self)
return dateComp.year!;
}
/**
月
- returns: 月
*/
public func monthHPPData() -> Int {
let calendar:Calendar = Calendar.current
let dateComp:DateComponents = (calendar as NSCalendar).components(NSCalendar.Unit.month, from: self)
return dateComp.month!;
}
/**
日
- returns: 日
*/
public func dayHPPData() -> Int {
let calendar:Calendar = Calendar.current
let dateComp:DateComponents = (calendar as NSCalendar).components(NSCalendar.Unit.day, from: self)
return dateComp.day!;
}
/**
上个月
- returns:
*/
public func proMonth() -> Date{
let calendar = Calendar.current
let dateComponents = (calendar as NSCalendar).components([NSCalendar.Unit.year,NSCalendar.Unit.month,NSCalendar.Unit.day], from: self)
let year = dateComponents.year
let month = dateComponents.month
let day = dateComponents.day
if (dateComponents.month == 1){
return Date.getDateforInt(year: year! - NSInteger(1), month: 12, day: day!)
}
return Date.getDateforInt(year: dateComponents.year!, month:month! - NSInteger(1) , day: day!)
}
/**
下个月
- returns: <#return value description#>
*/
public func nextMonth() -> Date{
// let dateComponents = NSDateComponents()
// dateComponents.month += 1
// let newDate = NSCalendar.currentCalendar().dateByAddingComponents(dateComponents, toDate: self, options: NSCalendarOptions.WrapComponents)
// return newDate!
let calendar = Calendar.current
let dateComponents = (calendar as NSCalendar).components([NSCalendar.Unit.year,NSCalendar.Unit.month,NSCalendar.Unit.day], from: self)
let year = dateComponents.year
let month = dateComponents.month
let day = dateComponents.day
if(dateComponents.month == 12){
return Date.getDateforInt(year: year! + NSInteger(1), month: 1, day: day!)
}
return Date.getDateforInt(year: dateComponents.year!, month:month! + NSInteger(1) , day: day!)
}
/**
传入一个时间格式 返回字符串时间
*/
public func dateWithformatter(_ formatterString: String) ->String {
let fmt = DateFormatter()
fmt.dateFormat = formatterString
return fmt.string(from: self)
}
/**
是否是今天
*/
public func isTodayHPPData() -> Bool {
let today = Date()
return (self.yearHPPData() == today.yearHPPData() && self.monthHPPData() == today.monthHPPData() && self.dayHPPData() == today.dayHPPData())
}
/** String转时间戳 13位
*/
func stringTotimeTamp() -> String {
let dateStamp:TimeInterval = self.timeIntervalSince1970*1000
let dateSt:Int64 = Int64(dateStamp)
return String(dateSt)
}
/**
返回精确到天的时间戳
*/
func toDayTampString() -> String {
let dateStr = self.toString(format: "yyyy-MM-dd")
let date = Date(fromString: dateStr, format: "yyyy-MM-dd")
let dateStamp:TimeInterval = date!.timeIntervalSince1970*1000
let dateSt:Int64 = Int64(dateStamp)
// let str = String(dateSt) as NSString
// var s = str.substringToIndex(7);
// s = s.stringByAppendingString("000000")
return String(dateSt)
}
}
NSObject+Extension
extension NSObject
{
func alertShow(_ title: String,canel:String, sure:String,sureBlock :@escaping (() -> ()),canelBlcok: @escaping (() -> ())) {
// UIViewController.
let alertController = UIAlertController(title: nil, message: title, preferredStyle: .alert)
let xiangcetAction = UIAlertAction(title: sure, style: .default, handler:{ alertAction in
sureBlock()
})
let canelAction = UIAlertAction(title: canel, style: .cancel, handler: { alertAction in
canelBlcok()
})
alertController.addAction(xiangcetAction)
alertController.addAction(canelAction)
UIApplication.shared.keyWindow?.rootViewController!.present(alertController, animated: true, completion: nil)
}
func delay(_ delay:Double, closure:@escaping ()->()) {
DispatchQueue.main.asyncAfter(
deadline: DispatchTime.now() + Double(Int64(delay * Double(NSEC_PER_SEC))) / Double(NSEC_PER_SEC), execute: closure)
}
}