本文目录一览:
JS中写日历时候遇见的问题
问题解决不了,我这里有JAVA版的!
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
public class MyCalendar extends JApplet {
private static final long serialVersionUID = 4398452463891616204L;
public static final String WEEK_SUN = "SUN";
public static final String WEEK_MON = "MON";
public static final String WEEK_TUE = "TUE";
public static final String WEEK_WED = "WED";
public static final String WEEK_THU = "THU";
public static final String WEEK_FRI = "FRI";
public static final String WEEK_SAT = "SAT";
public static final Color background = Color.white;
public static final Color foreground = Color.black;
public static final Color headerBackground = Color.blue;
public static final Color headerForeground = Color.white;
public static final Color selectedBackground = Color.blue;
public static final Color selectedForeground = Color.white;
private JPanel cPane;
private JLabel yearsLabel;
private JSpinner yearsSpinner;
private JLabel monthsLabel;
private JComboBox monthsComboBox;
private JTable daysTable;
private AbstractTableModel daysModel;
private Calendar calendar;
public MyCalendar() {
cPane = (JPanel) getContentPane();
}
public void init() {
cPane.setLayout(new BorderLayout());
calendar = Calendar.getInstance();
//calendar = Calendar.getInstance();
yearsLabel = new JLabel("Year: ");
yearsSpinner = new JSpinner();
yearsSpinner.setEditor(new JSpinner.NumberEditor(yearsSpinner, "0000"));
yearsSpinner.setValue(new Integer(calendar.get(Calendar.YEAR)));
yearsSpinner.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.YEAR, ((Integer) yearsSpinner.getValue()).intValue());
int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, day maxDay ? maxDay : day);
updateView();
}
});
JPanel yearMonthPanel = new JPanel();
cPane.add(yearMonthPanel, BorderLayout.NORTH);
yearMonthPanel.setLayout(new BorderLayout());
yearMonthPanel.add(new JPanel(), BorderLayout.CENTER);
JPanel yearPanel = new JPanel();
yearMonthPanel.add(yearPanel, BorderLayout.WEST);
yearPanel.setLayout(new BorderLayout());
yearPanel.add(yearsLabel, BorderLayout.WEST);
yearPanel.add(yearsSpinner, BorderLayout.CENTER);
monthsLabel = new JLabel("Month: ");
monthsComboBox = new JComboBox();
for (int i = 1; i = 12; i++) {
monthsComboBox.addItem(new Integer(i));
}
monthsComboBox.setSelectedIndex(calendar.get(Calendar.MONTH));
monthsComboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.MONTH, monthsComboBox.getSelectedIndex());
int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, day maxDay ? maxDay : day);
updateView();
}
});
JPanel monthPanel = new JPanel();
yearMonthPanel.add(monthPanel, BorderLayout.EAST);
monthPanel.setLayout(new BorderLayout());
monthPanel.add(monthsLabel, BorderLayout.WEST);
monthPanel.add(monthsComboBox, BorderLayout.CENTER);
daysModel = new AbstractTableModel() {
private static final long serialVersionUID = -5996965100536784508L;
public int getRowCount() {
return 7;
}
public int getColumnCount() {
return 7;
}
public Object getValueAt(int row, int column) {
if (row == 0) {
return getHeader(column);
}
row--;
Calendar calendar = (Calendar) MyCalendar.this.calendar.clone();
calendar.set(Calendar.DAY_OF_MONTH, 1);
int dayCount = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
int moreDayCount = calendar.get(Calendar.DAY_OF_WEEK) - 1;
int index = row * 7 + column;
int dayIndex = index - moreDayCount + 1;
if (index moreDayCount || dayIndex dayCount) {
return null;
} else {
return new Integer(dayIndex);
}
}
};
daysTable = new CalendarTable(daysModel, calendar);
daysTable.setCellSelectionEnabled(true);
daysTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
daysTable.setDefaultRenderer(daysTable.getColumnClass(0), new TableCellRenderer() {
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
String text = (value == null) ? "" : value.toString();
JLabel cell = new JLabel(text);
cell.setOpaque(true);
if (row == 0) {
cell.setForeground(headerForeground);
cell.setBackground(headerBackground);
} else {
if (isSelected) {
cell.setForeground(selectedForeground);
cell.setBackground(selectedBackground);
} else {
cell.setForeground(foreground);
cell.setBackground(background);
}
}
return cell;
}
});
updateView();
cPane.add(daysTable, BorderLayout.CENTER);
}
public static String getHeader(int index) {
switch (index) {
case 0:
return WEEK_SUN;
case 1:
return WEEK_MON;
case 2:
return WEEK_TUE;
case 3:
return WEEK_WED;
case 4:
return WEEK_THU;
case 5:
return WEEK_FRI;
case 6:
return WEEK_SAT;
default:
return null;
}
}
public void updateView() {
daysModel.fireTableDataChanged();
daysTable.setRowSelectionInterval(calendar.get(Calendar.WEEK_OF_MONTH),
calendar.get(Calendar.WEEK_OF_MONTH));
daysTable.setColumnSelectionInterval(calendar.get(Calendar.DAY_OF_WEEK) - 1,
calendar.get(Calendar.DAY_OF_WEEK) - 1);
}
public static class CalendarTable extends JTable {
private static final long serialVersionUID = 2808554667609229840L;
private Calendar calendar;
public CalendarTable(TableModel model, Calendar calendar) {
super(model);
this.calendar = calendar;
}
public void changeSelection(int row, int column, boolean toggle, boolean extend) {
super.changeSelection(row, column, toggle, extend);
if (row == 0) {
return;
}
Object obj = getValueAt(row, column);
if (obj != null) {
calendar.set(Calendar.DAY_OF_MONTH, ((Integer)obj).intValue());
}
}
}
@SuppressWarnings("deprecation")
public static void main(String[] args) {
JFrame frame = new JFrame("Calendar Application");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyCalendar myCalendar = new MyCalendar();
myCalendar.init();
frame.getContentPane().add(myCalendar);
frame.setSize(240, 172);
frame.show();
}
}
PC端如何用js做点击日历选中一周
1.写一个获取当前时间的脚本
2.写一个获取事件源绝对坐标的脚本
3.写一个日历生成脚本,根据年(闰年)月(大小月)周(周一到周日)生成日历
4.当事件源(一般是文本框)获得焦点的时候,触发获取绝对坐标的事件,然后生成当前月的日历,将此日历的坐标用脚本移动到文本框下方
5.生成日历的时候,给所有日添加返回事件,把当前选中的年月日反馈
js编写一个显示程序运行当天到下一个元旦之间的天数。
下面小编就为大家带来一篇js编写当天简单日历效果【实现代码】。小编觉得挺不错的,现在分享给大家,也给大家做个参考
之前一直很想用javascript写一个日历,但是因为完全没有好的思路, 所以迟迟没有尝试。最近在网上刚好看到用javascript编写的简单日历的例子,代码量虽然不大, 但是我觉得很好地阐述了js日历的实现原理。自己也尝试着做了一下,收获蛮大,掌握了基本的实现原理后,再想增加更多的功能,完全就可以自由发挥了,先在这里分享一下吧,有兴趣的可以试试!
一.表格行数问题
既然要显示日期表格的话,首先得知道这个表格有多少行多少列,列数是已经确定的,从星期天(日历上第1列是星期天)到星期六一共7列。要解决行数问题之前,还得先知道这个月的第1天是星期几,因为每个月的1号并不都是从日历上的星期天开始排的,可能1号是星期五,星期六也说不定,所以1号的左边部分,就得用空表格代替了。那么用多少个空表格代替呢,这里就得用到getDay()方法了,该方法返回数组[0-6]中的一个数字,0代表星期天,1代表星期一,2代表星期二,以此类推。所以如果一个月的1号是星期五的话,那么刚好左边需要5个空表格代替。然后,假如一个月有31天,最后求出的表格行数就是:
var tr_nums = Math.ceil((5 + 31)/7);
当然,并不是每个月都是31天,所以我们得创建一个包含12个月份的数组,每个元素代表每个月份所包含的天数。但是2月份比较特殊,闰年的2月份有29天,平年的2月份只有28天。所以,在创建数组之前,得自己创建一个判断闰年的函数:
//如果当前年份能被4整除但是不能被100整除或者能被400整除,即可确定为闰年,返回1,否则返回0
function isLeap(year) {
return year % 4 == 0 ? (year % 100 != 0 ? 1 : (year % 400 == 0 ? 1 : 0)) : 0;
日历用js如何实现
script src="js/Calendar.js" type="text/javascript" language="javascript"/script
加入到你的页面中 js/Calendar.js 这是控件的路径
input name="txtDate" type="text" onclick="SelectDate(this)" readonly="readonly"
Calendar.js 这个东西应该可以找的到吧,onclick="SelectDate(this)" 这是调用的方法
关于用JAVASCRIPT做日历的问题!
html
headmeta http-equiv="Content-Type" content="text/html; charset=gb2312"
title日期选择 - BY ziyue/title
script language="JavaScript" type="text/JavaScript"
/*=======Calendar.js=======By Jiang Hongbin=======*/
var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月");
var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var days = new Array("日","一", "二", "三", "四", "五", "六");
var today;
document.writeln("div id='Calendar' style='position:absolute; z-index:1; visibility: hidden; filter:\"progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3)\"'/div");
function getDays(month, year)
{
//下面的这段代码是判断当前是否是闰年的
if (1 == month)
return ((0 == year % 4) (0 != (year % 100))) || (0 == year % 400) ? 29 : 28;
else
return daysInMonth[month];
}
function getToday()
{
//得到今天的年,月,日
this.now = new Date();
this.year = this.now.getFullYear();
this.month = this.now.getMonth();
this.day = this.now.getDate();
}
function getStringDay(str)
{
//得到输入框的年,月,日
var str=str.split("-")
this.now = new Date(parseFloat(str[0]),parseFloat(str[1])-1,parseFloat(str[2]));
this.year = this.now.getFullYear();
this.month = this.now.getMonth();
this.day = this.now.getDate();
}
function newCalendar() {
var parseYear = parseInt(document.all.Year.options[document.all.Year.selectedIndex].value);
var newCal = new Date(parseYear, document.all.Month.selectedIndex, 1);
var day = -1;
var startDay = newCal.getDay();
var daily = 0;
if ((today.year == newCal.getFullYear()) (today.month == newCal.getMonth()))
day = today.day;
var tableCal = document.all.calendar;
var intDaysInMonth =getDays(newCal.getMonth(), newCal.getFullYear());
for (var intWeek = 1; intWeek tableCal.rows.length;intWeek++)
for (var intDay = 0;intDay tableCal.rows[intWeek].cells.length;intDay++)
{
var cell = tableCal.rows[intWeek].cells[intDay];
if ((intDay == startDay) (0 == daily))
daily = 1;
if(day==daily) //今天,调用今天的Class
{
cell.style.background='#6699CC';
cell.style.color='#FFFFFF';
//cell.style.fontWeight='bold';
}
else if(intDay==6) //周六
cell.style.color='green';
else if (intDay==0) //周日
cell.style.color='red';
if ((daily 0) (daily = intDaysInMonth))
{
cell.innerText = daily;
daily++;
}
else
cell.innerText = "";
}
}
function GetDate(InputBox)
{
var sDate;
//这段代码处理鼠标点击的情况
if (event.srcElement.tagName == "TD")
if (event.srcElement.innerText != "")
{
sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText;
eval("document.all."+InputBox).value=sDate;
HiddenCalendar();
}
}
function HiddenCalendar()
{
//关闭选择窗口
document.all.Calendar.style.visibility='hidden';
}
function ShowCalendar(InputBox)
{
var x,y,intLoop,intWeeks,intDays;
var DivContent;
var year,month,day;
//var o=document.getElementById(InputBox);
var o=InputBox;
var oid=o.id;
var thisyear; //真正的今年年份
if(!oid)oid=o.name;
thisyear=new getToday();
thisyear=thisyear.year;
today = o.value;
if(isDate(today))
today = new getStringDay(today);
else
today = new getToday();
//显示的位置
x=o.offsetLeft;
y=o.offsetTop;
while(o=o.offsetParent)
{
x+=o.offsetLeft;
y+=o.offsetTop;
}
document.all.Calendar.style.left=x+2;
document.all.Calendar.style.top=y+20;
document.all.Calendar.style.visibility="visible";
//下面开始输出日历表格(border-color:#9DBAF7)
DivContent="table border='0' cellspacing='0' style='border:1px solid #0066FF; background-color:#EDF2FC'";
DivContent+="tr";
DivContent+="td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA'";
//年
DivContent+="select name='Year' id='Year' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'";
for (intLoop = thisyear - 100; intLoop (thisyear + 2); intLoop++)
DivContent+="option value= " + intLoop + " " + (today.year == intLoop ? "Selected" : "") + "" + intLoop + "/option";
DivContent+="/select";
//月
DivContent+="select name='Month' id='Month' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'";
for (intLoop = 0; intLoop months.length; intLoop++)
DivContent+="option value= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + "" + months[intLoop] + "/option";
DivContent+="/select";
DivContent+="/td";
DivContent+="td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA; font-weight:bold; font-family:Wingdings 2,Wingdings,Webdings; font-size:16px; padding-top:2px; color:#4477FF; cursor:hand' align='center' title='关闭' onClick='javascript:HiddenCalendar()'S/td";
DivContent+="/tr";
DivContent+="trtd align='center' colspan='2'";
DivContent+="table id='calendar' border='0' width='100%'";
//星期
DivContent+="tr";
for (intLoop = 0; intLoop days.length; intLoop++)
DivContent+="td align='center' style='font-size:12px'" + days[intLoop] + "/td";
DivContent+="/tr";
//天
for (intWeeks = 0; intWeeks 6; intWeeks++)
{
DivContent+="tr";
for (intDays = 0; intDays days.length; intDays++)
DivContent+="td onClick='GetDate(\"" + oid + "\")' style='cursor:hand; border-right:1px solid #BBBBBB; border-bottom:1px solid #BBBBBB; color:#215DC6; font-family:Verdana; font-size:12px' align='center'/td";
DivContent+="/tr";
}
DivContent+="/table/td/tr/table";
document.all.Calendar.innerHTML=DivContent;
newCalendar();
}
function isDate(dateStr)
{
var datePat = /^(\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
var matchArray = dateStr.match(datePat);
if (matchArray == null) return false;
var month = matchArray[3];
var day = matchArray[5];
var year = matchArray[1];
if (month 1 || month 12) return false;
if (day 1 || day 31) return false;
if ((month==4 || month==6 || month==9 || month==11) day==31) return false;
if (month == 2)
{
var isleap = (year % 4 == 0 (year % 100 != 0 || year % 400 == 0));
if (day 29 || (day==29 !isleap)) return false;
}
return true;
}
/script
style type="text/css"
!--
td,input {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
}
--
/style
/head
body
form name="form1" method="post" action=""
table width="500" border="0" align="center" cellspacing="1" bgcolor="#CCCCCC"
tr bgcolor="#FFFFFF"
td align="right"您的生日:/td
tdinput name="birthday" type="text" id="birthday" title="点击选择" onClick="javascript:ShowCalendar(this)" size="20"
input type="button" name="Submit" value="选 择" onClick="javascript:ShowCalendar(form1.birthday)"/td
tdBLOG:a href="";/a/td
/tr
/table
/form
/body
/html