代码地址：https://github.com/jinliyuelong/LYJSwiftDemo
描述
相信很多app需要显示年月日时分，但是系统自带的datapicker选择时分后没有年月，故需要这样的
项目上不需要显示秒，所以隐藏了秒，需要显示秒的同学，可以参照代码隐藏即可
效果图：
效果图.png
核心代码
pickerView
//
// LYJDatePicker02.swift
// MyswiftDemo
//
// Created by Liyanjun on 2017/2/8.
// Copyright © 2017年 hand. All rights reserved.
//
import UIKit
/// 这是时间选择器，实现 yyyy-mm-dd HH:mi:ss
class LYJDatePicker02: UIView {
var canButtonReturnB: (() -> Void)? //取消按钮的回调
var sucessReturnB: ((_ date:String) -> Void)?//选择的回调
var title = UILabel.init(lableText: "选择时间")//标题
var cancelButton = UIButton.init(title: "取消", bgColor: UIColor.clear, font: CGFloat(mylableSize)) //取消按钮
var confirmButton = UIButton.init(title: "确定", bgColor: UIColor.clear, font: CGFloat(mylableSize)) //取消按钮
var pickerView = UIPickerView()
var lineView = UIView()//一条横线
var returnString:String {
get{
let selectedMonthFormat = String(format:"%.2d",selectedMonth)
let selectedDayFormat = String(format:"%.2d",selectedDay)
let selectedHourFormat = String(format:"%.2d",selectedHour)
let selectedMinuteFormat = String(format:"%.2d",selectedMinute)
return "\(selectedYear)-\(selectedMonthFormat)-\(selectedDayFormat) \(selectedHourFormat):\(selectedMinuteFormat)"
}
} //返回的时间字符串
//数据相关
var yearRange = 30 + 1000//年的范围
var dayRange = 0 //
var startYear = 0
var selectedYear = 0;
var selectedMonth = 0;
var selectedDay = 0;
var selectedHour = 0;
var selectedMinute = 0;
var selectedSecond = 0;
override init(frame: CGRect) {
super.init(frame: frame)
self.setupUI()
self.initData()
}
convenience init() {
self.init(frame:CGRect.init(x: 0, y: 0, width: 100, height: 100))
self.setupUI()
self.initData()
}
override func layoutSubviews() {
super.layoutSubviews()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
fatalError("init(coder:) has not been implemented")
}
//MARK:初始化数据
func initData() {
let calendar0 = Calendar.init(identifier: .gregorian)//公历
var comps = DateComponents()//一个封装了具体年月日、时秒分、周、季度等的类
let unitFlags:Set = [.year , .month , .day , .hour , .minute]
comps = calendar0.dateComponents(unitFlags, from: Date())
startYear = comps.year! - 100
dayRange = self.isAllDay(year: startYear, month: 1)
yearRange = 30 + 1000;
selectedYear = comps.year!;
selectedMonth = comps.month!;
selectedDay = comps.day!;
selectedHour = comps.hour!;
selectedMinute = comps.minute!;
self.pickerView.selectRow(selectedYear - startYear, inComponent: 0, animated: true)
self.pickerView.selectRow(selectedMonth - 1, inComponent: 1, animated: true)
self.pickerView.selectRow(selectedDay - 1, inComponent: 2, animated: true)
self.pickerView.selectRow(selectedHour , inComponent: 3, animated: true)
self.pickerView.selectRow(selectedMinute , inComponent: 4, animated: true)
self.pickerView.reloadAllComponents()
}
func setupUI() {
self.backgroundColor = UIColor.white
self.addtitle()
self.addcancelButton()
self.addlineView()
self.addconfirmButton()
self.addPickerView()
}
//MARK:设置标题
private func addtitle(){
self.addSubview(title)
self.titleP()
self.titleF()
}
private func titleP(){
title.textColor = TitlelableColor
title.textAlignment = .center
title.font = UIFont.systemFont(ofSize: CGFloat(mylableSize))
}
private func titleF(){
title.snp.makeConstraints { (make) in
make.top.equalTo(self.snp.top).offset(mycommonEdge)
make.centerX.equalTo(self.snp.centerX)
}
}
private func titleD(title:String){
self.title.text = title
}
//MARK:设置取消按钮
private func addcancelButton(){
self.addSubview(cancelButton)
self.cancelP()
self.cancelF()
}
private func cancelP(){
self.cancelButton.setTitleColor(UIColor.system, for: .normal)
self.cancelButton.tag = 101
self.cancelButton.addTarget(self, action: #selector(buttonClick(_:)), for: .touchUpInside)
}
private func cancelF(){
self.cancelButton.snp.makeConstraints { (make) in
make.top.equalTo(self.snp.top).offset(mycommonEdge)
make.leading.equalTo(self.snp.leading).offset(mycommonEdge)
make.height.equalTo(mylableSize)
make.width.equalTo(40)
}
}
private func cancelD(){
}
//MARK:设置确定按钮
private func addconfirmButton(){
self.addSubview(confirmButton)
self.confirmButtonP()
self.confirmButtonF()
}
private func confirmButtonP(){
self.confirmButton.setTitleColor(UIColor.system, for: .normal)
self.confirmButton.tag = 102
self.confirmButton.addTarget(self, action: #selector(buttonClick(_:)), for: .touchUpInside)
}
private func confirmButtonF(){
self.confirmButton.snp.makeConstraints { (make) in
make.top.equalTo(self.snp.top).offset(mycommonEdge)
make.trailing.equalTo(self.snp.trailing).offset(-mycommonEdge)
make.height.equalTo(mylableSize)
make.width.equalTo(40)
}
}
//MARK:按钮的点击
func buttonClick(_ sender:UIButton) {
debugPrint("======取消按钮被点击=====")
switch sender.tag {
case 101:
//取消
if self.canButtonReturnB != nil {
self.canButtonReturnB!()
}
case 102:
//确定
if self.sucessReturnB != nil {
self.sucessReturnB!(self.returnString)
}
default:
break
}
}
//MARK:设置横线
private func addlineView(){
self.addSubview(lineView)
self.lineViewP()
self.lineViewF()
}
private func lineViewP(){
self.lineView.backgroundColor = UIColor.systemGray
}
private func lineViewF(){
self.lineView.snp.makeConstraints { (make) in
make.top.equalTo(self.cancelButton.snp.bottom).offset(mycommonEdge)
make.leading.trailing.equalTo(self)
make.height.equalTo(1)
}
}
func addPickerView() {
self.addSubview(self.pickerView)
self.setPickerP()
self.setPickerF()
}
func setPickerP() {
self.pickerView.dataSource = self
self.pickerView.delegate = self
}
func setPickerF() {
pickerView.snp.makeConstraints { (make) in
make.top.equalTo(self.lineView.snp.bottom)
make.leading.trailing.bottom.equalTo(self)
}
}
//MARK:计算每个月有多少天
func isAllDay(year:Int, month:Int) -> Int {
var day:Int = 0
switch(month)
{
case 1,3,5,7,8,10,12:
day = 31
case 4,6,9,11:
day = 30
case 2:
if(((year%4==0)&&(year%100==0))||(year%400==0))
{
day=29
}
else
{
day=28;
}
default:
break;
}
return day;
}
}
extension LYJDatePicker02:UIPickerViewDelegate,UIPickerViewDataSource{
//MARK:UIPickerViewDataSource
//返回UIPickerView当前的列数
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 5
}
////确定每一列返回的东西
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
switch component {
case 0:
return yearRange
case 1:
return 12
case 2:
return dayRange
case 3:
return 24
case 4:
return 60
default:
return 0
}
}
//MARK:UIPickerViewDelegate
//返回一个视图，用来设置pickerView的每行显示的内容。
func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {
let label = UILabel(frame: CGRect(x: screenWidth * CGFloat(component) / 6 , y: 0, width: screenWidth/6, height: 30))
label.font = UIFont.systemFont(ofSize: CGFloat(mylableSize))
label.tag = component*100+row
label.textAlignment = .center
switch component {
case 0:
label.frame=CGRect(x:5, y:0,width:screenWidth/4.0, height:30);
label.text="\(self.startYear + row)年";
case 1:
label.frame=CGRect(x:screenWidth/4.0, y:0,width:screenWidth/8.0, height:30);
label.text="\(row + 1)月";
case 2:
label.frame=CGRect(x:screenWidth*3/8, y:0,width:screenWidth/8.0, height:30);
label.text="\(row + 1)日";
case 3:
label.textAlignment = .right
label.text="\(row )时";
case 4:
label.textAlignment = .right
label.text="\(row )分";
case 5:
label.textAlignment = .right
label.frame=CGRect(x:screenWidth/6, y:0,width:screenWidth/6.0 - 5, height:30);
label.text="\(row )秒";
default:
label.text="\(row )秒";
}
return label
}
//当点击UIPickerView的某一列中某一行的时候，就会调用这个方法
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
switch component {
case 0:
self.selectedYear = self.startYear + row
self.dayRange = self.isAllDay(year: self.startYear, month: self.selectedMonth)
self.pickerView.reloadComponent(2)
case 1:
self.selectedMonth = row + 1
self.dayRange = self.isAllDay(year: self.startYear, month: self.selectedMonth)
self.pickerView.reloadComponent(2)
case 2:
selectedDay = row + 1
case 3:
selectedHour = row
case 4:
selectedMinute = row
case 5:
selectedSecond = row
default:
selectedSecond = row
}
}
}
调用
//打开时间选择器02
func gotoDatePick02(index:IndexPath) {
//需要初始化数据
self.lyjdatePick02.initData()
self.lyjdatePick02.canButtonReturnB = {
debugPrint("我要消失了哈哈哈哈哈哈")
self.view.ttDismissPopupViewControllerWithanimationType(TTFramePopupViewSlideBottomTop)
}
self.lyjdatePick02.sucessReturnB = { returnValue in
self.view.ttDismissPopupViewControllerWithanimationType(TTFramePopupViewSlideBottomTop)
debugPrint("我要消失了哈哈哈哈哈哈")
//第二行
var model = self.promptlist[ index.row]
model.infoValue = returnValue
self.promptlist[index.row] = model
self.tableView.reloadData()
}
self.gototargetView(_targetView:self.lyjdatePick02)
}
//MARK:打开底部弹出view
func gototargetView(_targetView:UIView) {
self.view.ttPresentFramePopupView(_targetView, animationType: TTFramePopupViewSlideBottomTop) {
// debugPrint("我要消失了")
}
_targetView.snp.makeConstraints { (make) in
make.leading.trailing.bottom.equalTo(self.view)
make.height.equalTo(250)
}
}