Date
extension Date {
// MARK: 时间戳转Date字符串
/// 获取系统当前时间的时间戳(毫秒)
static var timestamp: Int { // 比如： 1542699526000
return Int(Date().timeIntervalSince1970 * 1000)
}
/// 系统当前给定时间时间戳和指定时间戳之间的差值，单位秒
///
/// - Parameter timestamp: 需要做对比的时间戳
/// - Returns: 当前时间戳和给定时间戳之间的差值
static func timeInterverNow(and timestamp: Int) -> Int { // 单位秒
return (Date.timestamp - timestamp) / 1000
}
/// 将时间戳转换为Date类型
///
/// - Parameter timestamp: 时间戳
/// - Returns: Date
static func convert(from timestamp: Int) -> Date {
let timeInterval = TimeInterval(timestamp / 1000)
let date = Date(timeIntervalSince1970: timeInterval)
return date
}
/// 将Date数据转为时，分类型的字符串格式: hh:mm
var tohm: String {
return dateFormat(style: "HH:mm")
}
/// 将Date数据转为月，日类型的字符串格式: MM月dd日
var tomd: String {
return dateFormat(style: "MM月dd日")
}
/// 将Date数据转为年月日，时分秒类型的字符串: yyyy-MM-dd hh:mm:ss
var toymdhms: String {
return dateFormat(style: "yyyy-MM-dd HH:mm:ss")
}
/// 将Date数据转为年月日，时分类型的字符串: yyyy-MM-dd hh:mm
var toymdhm: String {
return dateFormat(style: "yyyy-MM-dd HH:mm")
}
/// 将Date数据转为年月日类型的字符串: yyyy-MM-dd
var toymd: String {
return dateFormat(style: "yyyy-MM-dd")
}
/// 将Date转换为指定日期格式的字符串
///
/// - Parameter style: 日期字符串的指定样式
/// - Returns: 日期字符串
func dateFormat(style: String) -> String{
let dateformatter = DateFormatter()
dateformatter.dateFormat = style
let time = dateformatter.string(from: self)
return time
}
// MARK: Date字符串转时间戳
/// 将年月日类型的date字符串转换为时间戳
///
/// - Parameter date: 日期字符串
/// - Returns: 时间戳
static func timestamp(ymd date: String) -> Int {
return Date.dateFormat(style: "yyyy-MM-dd", date: date)
}
/// 将年月日, 时分秒类型的Date字符串转换为时间戳
///
/// - Parameter date: 日期字符串
/// - Returns: 时间戳
static func timestamp(ymdhms date: String) -> Int {
return Date.dateFormat(style: "yyyy-MM-dd HH:mm:ss", date: date)
}
/// 将年月日, 时分类型的Date字符串转换为时间戳
///
/// - Parameter date: 日期字符串
/// - Returns: 时间戳
static func timestamp(ymdhm date: String) -> Int {
return Date.dateFormat(style: "yyyy-MM-dd HH:mm", date: date)
}
/// 根据指定样式将Date字符串转换为时间戳
///
/// - Parameters:
/// - style: 日期字符串的指定样式
/// - date: 日期字符串
/// - Returns: 时间戳
static func dateFormat(style: String, date: String) -> Int {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = style
let timestamp = Int((dateFormatter.date(from: date)?.timeIntervalSince1970)!) * 1000
return timestamp
}
/// 根据日期获取周几，比如周一
///
/// - Parameter today: 日期
/// - Returns: ""
// func getDayOfWeek(_ today:String) -> String? {
// let formatter = DateFormatter()
// formatter.dateFormat = "yyyy-MM-dd"
// guard let todayDate = formatter.date(from: today) else { return nil }
// let myCalendar = Calendar(identifier: .gregorian)
//
// let weekDay = myCalendar.component(.weekday, from: todayDate)
// return weekDays[weekDay - 1]
// }
// let weekDays = ["周日","周一","周二","周三","周四","周五","周六"]
/// 将Date转换为weekday ["周日","周一","周二","周三","周四","周五","周六"]
///
/// - Parameter date: 日期
var week: Int {
let calendar = Calendar(identifier: .gregorian)
return calendar.component(.weekday, from: self)
}
}
Int
extension Int {
/*
1.小于5分钟的显示为刚刚 5 * 60s = 300s
2.大于5分钟且小于一个小时，显示为具体多少分钟前 60 * 60s = 3600s , 比如15分钟前
3.大于一个小时且小于24小时，显示为具体多少时间 24 * 60 比如： 15:30
4.大于一天的显示具体日期 比如： 5月10日
*/
/// 将给定时间戳转换为具体的要求格式
var convertToDate: String {
let timeInterval = Date.timeInterverNow(and: self) // 单位秒
if timeInterval < 300 {
return "刚刚"
} else if timeInterval < 3600 {
return "\(Int(timeInterval / 60))分钟前"
} else if timeInterval < 86400 {
return Date.convert(from: self).tohm
} else {
return Date.convert(from: self).tomd
}
}
/// 将时间戳转为年月日，时分秒类型的字符串: yyyy-MM-dd hh:mm:ss
var toymdhms: String {
return Date.convert(from: self).toymdhms
}
/// 将时间戳转为年月日，时分类型的字符串: yyyy-MM-dd hh:mm
var toymdhm: String {
return Date.convert(from: self).toymdhm
}
/// 将时间戳转为年月日 类型的字符串: yyyy-MM-dd
var toymd: String {
return Date.convert(from: self).toymd
}
/// 将时间戳转为年月日 全天类型的字符串: yyyy-MM-dd 全天
var toymdAllDay: String {
return Date.convert(from: self).toymd + " 全天"
}
/// 日历表示中，第一天是周日，所以先减去一
var day: String {
let weekDays = ["周日","周一","周二","周三","周四","周五","周六"]
return weekDays[self - 1]
}
/// 今天是周几
var whichDay: String {
return Date.convert(from: self).week.day
}
/// 将数字转为字符串
var toString: String {
return String(self)
}
// var themeTime: String {
// let ss = toymdhms
// let weak = whichDay
//
// }
}
Array
extension Array where Element == Int {
/// 将Element为Int的数组转换为一个字符串
var toString: String {
return self.map { String($0) }.joined(separator: ",")
}
}
extension Array where Element == String {
/// 将Element为String的数组转换为一个字符串
var toString: String {
return self.joined(separator: ",")
}
}
string
// MARK: - Helpers
extension String {
var urlEscaped: String {
return addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)!
}
var utf8Encoded: Data {
return data(using: .utf8)!
}
/// 将yyyy-MM-dd类型的字符串转换为时间戳
var timestamp_ymd: Int {
return Date.timestamp(ymd: self)
}
/// 将yyyy-MM-dd hh:mm:ss类型的字符串转换为时间戳
var timestamp_ymdhms: Int {
return Date.timestamp(ymdhms: self)
}
/// 将yyyy-MM-dd hh:mm类型的字符串转换为时间戳
var timestamp_ymdhm: Int {
return Date.timestamp(ymdhm: self)
}
/// 将字符串转为数字
var toInt: Int {
guard self != "" else {
fatalError("不能转换空字符串")
}
return Int(self)!
}
}
extension String {
func contains(find: String) -> Bool{
return self.range(of: find) != nil
}
}
UIViewController
extension UIViewController {
/// push 一个 UIViewController或者其子类
@discardableResult
func pushFrom(_ rootViewController: UIViewController) -> Self {
rootViewController.navigationController?.pushViewController(self, animated: true)
return self
}
/// 将 子控制器vc的view 显示在 keyWindow 上面
// func show(_ vc: UIViewController, in parent: UIViewController) {
// vc.view.frame = CGRect(x: 0, y: 0, width: djScreenWidth, height: djScreenHeight)
// let window = UIApplication.shared.keyWindow
// window?.addSubview(vc.view)
// parent.addChild(vc)
// }
/// 将视图展示在 keyWindow 上
///
/// - Parameter parent: 父视图控制器
func show(in parent: UIViewController) {
self.view.frame = CGRect(x: 0, y: 0, width: djScreenWidth, height: djScreenHeight)
let window = UIApplication.shared.keyWindow
window?.addSubview(self.view)
parent.addChild(self)
}
}
UITextView
extension UITextView {
/// 初始化一个textView,使用 textColor， font
convenience init (textColor: UIColor, font: CGFloat) {
self.init()
self.textColor = textColor
self.font = UIFont.systemFont(ofSize: font)
}
/// 初始化一个textView,使用 placeholder, textColor， font
convenience init (_ placeholder: String, textColor: UIColor, font: CGFloat) {
self.init()
self.textColor = textColor
self.font = UIFont.systemFont(ofSize: font)
let label = UILabel(text: placeholder, textColor: cmGray99, font: 13)
label.numberOfLines = 0
label.sizeToFit()
self.addSubview(label)
setValue(label, forKey: "_placeholderLabel")
}
}
UITextField
extension UITextField {
/// 初始化一个Label，with text, textColor, font
convenience init (_ placeholder: String, _ placeholderColor: UIColor, font: CGFloat = 0) {
self.init()
self.placeholder = placeholder
self.font = UIFont.systemFont(ofSize: font)
self.textColor = placeholderColor
}
/// 初始化一个属性UITextField，with text, textColor, font
convenience init (_ attrPlaceholder: String, _ placeholderColor: UIColor, textColor: UIColor, font: CGFloat = 0) {
self.init()
self.attributedPlaceholder = NSMutableAttributedString(string: attrPlaceholder, attributes: [NSAttributedString.Key.foregroundColor : placeholderColor])
self.font = UIFont.systemFont(ofSize: font)
self.textColor = textColor
}
}
UIlabel
extension UILabel {
/// 初始化一个Label，with text, textColor, font
convenience init (text: String, textColor: UIColor, font: CGFloat = 0) {
self.init()
self.text = text
self.font = UIFont.systemFont(ofSize: font)
self.textColor = textColor
}
func align(style: NSTextAlignment) -> Self {
textAlignment = style
return self
}
func font(size: UIFont) -> Self {
font = size
return self
}
}
UIImageView
extension UIImageView {
/// 允许交互
var allowInteraction: UIImageView {
isUserInteractionEnabled = true
return self
}
}
UIButton
extension UIButton {
/// 初始化一个UIbutton，使用 title, titleColor, fontSize
convenience init(_ title: String, titleColor: UIColor, fontSize: CGFloat) {
self.init(frame: .zero)
setTitle(title, for: .normal)
titleLabel?.font = UIFont.systemFont(ofSize: fontSize)
setTitleColor(titleColor, for: .normal)
}
/// 添加点击响应事件
@discardableResult
func add(_ target: Any?, action: Selector) -> Self {
addTarget(target, action: action, for: .touchUpInside)
return self
}
/// 设置选中时的颜色
@discardableResult
func selected(color: UIColor) -> Self {
setTitleColor(color, for: .selected)
return self
}
/// 设置tag值
@discardableResult
func tag(_ value: Int) -> Self {
tag = value
return self
}
/// 设置普通状态下的标题
@discardableResult
func normalTitle(_ value: String) -> Self {
setTitle(value, for: .normal)
return self
}
/// 设置选中状态下的标题
@discardableResult
func selectedTitle(_ value: String) -> Self {
setTitle(value, for: .selected)
return self
}
/// 设置普通状态下的背景图片
@discardableResult
func normalBackgroundImage(_ value: UIImage) -> Self {
setBackgroundImage(value, for: .normal)
return self
}
/// 设置普通状态下的背景图片 使用 String
@discardableResult
func normalBackgroundImage(_ value: String) -> Self {
setBackgroundImage(dj_image(value), for: .normal)
return self
}
/// 设置选中状态下的背景图片
@discardableResult
func selectedBackgroundImage(_ value: UIImage) -> Self {
setBackgroundImage(value, for: .selected)
return self
}
/// 设置文本颜色 使用 String
@discardableResult
func textColor(_ value: String) -> Self {
setTitleColor(dj_hexColor(value), for: .normal)
return self
}
}
UIView
extension UIView {
/// 设置初始背景色
/// - Parameter backgroundColor: UIColor
convenience init(backgroundColor: UIColor) {
self.init(frame: .zero)
self.backgroundColor = backgroundColor
}
/// 创建一个背景色为ededed的view
static var ededed: UIView {
return UIView(backgroundColor: cmEDEDED)
}
/// 设置圆角半径
@discardableResult
func corner(radius: CGFloat) -> Self {
layer.cornerRadius = radius
layer.masksToBounds = true
return self
}
/// 设置背景色
func background(color: UIColor) -> Self {
backgroundColor = color
return self
}
/// 将view添加到父视图
@discardableResult
func addTo(_ superView: UIView) -> Self {
superView.addSubview(self)
return self
}
/// 将view添加到父视图
func alpha(_ value: CGFloat) -> Self {
alpha = value
return self
}
}
UITableView
typealias TableViewProtocol = UITableViewDelegate & UITableViewDataSource
extension UITableView {
/// 初始化一个UITableView
///
/// - Parameters:
/// - vc: 代理和数据源对象
convenience init(_ vc: TableViewProtocol, style: UITableView.Style = .plain) {
self.init(frame: .zero, style: style)
delegate = vc
dataSource = vc
separatorStyle = .none
backgroundColor = .white
showsVerticalScrollIndicator = false
showsHorizontalScrollIndicator = false
}
/// 初始化一个UITableView，指定样式类型，并注册相关cell
///
/// - Parameters:
/// - vc: 代理和数据源对象
/// - cellType: 要注册的cell
convenience init(_ vc: TableViewProtocol, style: UITableView.Style = .plain, cellTypes: [UITableViewCell.Type], reuseID: [String]) {
self.init(vc, style: style)
for (index, item) in cellTypes.enumerated() {
register(item, forCellReuseIdentifier: reuseID[index])
}
}
/// 设置行高度
func rowHeight(_ height: CGFloat) -> Self {
rowHeight = height
return self
}
/// 在只有的情况下，根据行号返回相关cell
func getCell(row: Int) -> UITableViewCell? {
let indexPath = IndexPath(row: row, section: 0)
return cellForRow(at: indexPath)
}
}
UIImage
extension UIImage {
/// 用于设置cell的背景图片拉伸
static var cm_shadow: UIImage? {
let image = UIImage(named: "")
let insets = UIEdgeInsets(top: 15, left: 15, bottom: 15, right: 15)
return image?.resizableImage(withCapInsets: insets, resizingMode: UIImage.ResizingMode.stretch)
}
static var cm_dotLine: UIImage? {
let image = UIImage(named: "")
return image?.resizableImage(withCapInsets: UIEdgeInsets.zero, resizingMode: UIImage.ResizingMode.tile)
}
}
extension UIAlertAction {
static var cm_titleTextColor = "titleTextColor"
static var cancel: UIAlertAction {
return UIAlertAction(title:"取消", style: .cancel, handler:nil)
}
@discardableResult
func titleColor(_ color: UIColor) -> UIAlertAction {
setValue(color, forKey: UIAlertAction.cm_titleTextColor)
return self
}
static func resetCancelActionStyle(_ action: UIAlertAction) {
let attributedText = NSMutableAttributedString(string: "取消")
let range = NSRange(location: 0, length: 4)
attributedText.addAttribute(NSAttributedString.Key.foregroundColor, value: , range: range)
attributedText.addAttribute(NSAttributedString.Key.font, value: , range: range)
guard let label = (action.value(forKey: "__representer")as? NSObject)?.value(forKey: "label") as? UILabel else { return }
label.attributedText = attributedText
}
}
UIAlertController
extension UIAlertController {
}
typealias ActionClourse = ((UIAlertAction) -> Void)?
extension UIViewController {
/// 初始化一个ActionSheet, 使用两个不同的方式
///
/// - Parameters:
/// - topTitle: 第一功能标题 例如: 拍照
/// - topAction: 第一功能
/// - secondTitle: 第一功能标题 例如: 从手机相册选择
/// - action2: 第二功能
func popActionSheet(_ topTitle: String, _ topAction: ActionClourse, _ secondTitle: String, _ secondAction: ActionClourse) {
let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
let action1 = UIAlertAction(title: topTitle, style: .default, handler: topAction)
let action2 = UIAlertAction(title: secondTitle, style: .default, handler: secondAction)
let action3 = UIAlertAction(title: "取消", style: .cancel) { (action:UIAlertAction) in
print("You've pressed cancel");
}
[action1, action2, action3].forEach {
alertController.addAction($0)
$0.titleColor(cmBlack33)
}
present(alertController, animated: true, completion: nil)
}
/// 初始化一个ActionSheet, 删除和取消两个功能
func popActiondelete( _ action: ActionClourse) {
let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
let action1 = UIAlertAction(title: "删除", style: .default, handler: action)
let action2 = UIAlertAction(title: "取消", style: .cancel) { (action:UIAlertAction) in
print("You've pressed cancel");
}
[action1, action2].forEach {
alertController.addAction($0)
$0.titleColor(cmBlack33)
}
present(alertController, animated: true, completion: nil)
}
/// 初始化一个ActionSheet, 使用两个不同的方式
///
/// - Parameters:
/// - topTitle: 第一功能标题 例如: 拍照
/// - topAction: 第一功能
/// - secondTitle: 第一功能标题 例如: 从手机相册选择
/// - action2: 第二功能
func popActionSheetFourOptions(_ topTitle: String, _ topAction: ActionClourse, _ secondTitle: String, _ secondAction: ActionClourse, _ thirdTitle: String, _ thirdAction: ActionClourse) {
let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
let action1 = UIAlertAction(title: topTitle, style: .default, handler: topAction)
let action2 = UIAlertAction(title: secondTitle, style: .default, handler: secondAction)
let action3 = UIAlertAction(title: thirdTitle, style: .default, handler: thirdAction)
let action4 = UIAlertAction(title: "取消", style: .cancel) { (action:UIAlertAction) in
print("You've pressed cancel");
}
[action1, action2, action3, action4].forEach {
alertController.addAction($0)
$0.titleColor(cmBlack33)
}
present(alertController, animated: true, completion: nil)
}
/// 确认提示框
///
/// - Parameters:
/// - title: 提醒框标题
/// - message: 提示内容
/// - buttonTitle: 确定按钮标题
/// - action: 确定回调
func popConfirmAlert(title: String = "", message: String = "", buttonTitle: String, action: ActionClourse) {
let alertController = UIAlertController(title: title,
message: message,
preferredStyle: .alert)
let cancelAction = UIAlertAction(title: "取消", style: .default) { (action:UIAlertAction) in
print("You've pressed cancel");
}
cancelAction.titleColor(cmGray99)
let settingsAction = UIAlertAction(title: buttonTitle, style: .default, handler: action)
settingsAction.titleColor(cmThemeColor)
alertController.addAction(cancelAction)
alertController.addAction(settingsAction)
present(alertController, animated: true, completion: nil)
}
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